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pdfium / pdfium / refs/heads/chromium/2899 / . / xfa / fwl / core / ifwl_edit.cpp
blob: 1d769af6cb388d3e66b943173804ba52ce721129 [file] [log] [blame]
// 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/fwl/core/ifwl_edit.h"
#include <algorithm>
#include <memory>
#include <vector>
#include "third_party/base/stl_util.h"
#include "xfa/fde/cfde_txtedtengine.h"
#include "xfa/fde/fde_gedevice.h"
#include "xfa/fde/fde_render.h"
#include "xfa/fde/ifde_txtedtpage.h"
#include "xfa/fgas/font/fgas_gefont.h"
#include "xfa/fwl/core/cfwl_message.h"
#include "xfa/fwl/core/cfwl_themebackground.h"
#include "xfa/fwl/core/cfwl_themepart.h"
#include "xfa/fwl/core/cfwl_widgetmgr.h"
#include "xfa/fwl/core/ifwl_app.h"
#include "xfa/fwl/core/ifwl_caret.h"
#include "xfa/fwl/core/ifwl_themeprovider.h"
#include "xfa/fxfa/xfa_ffdoc.h"
#include "xfa/fxfa/xfa_ffwidget.h"
#include "xfa/fxgraphics/cfx_path.h"
namespace {
const int kEditMargin = 3;
bool FX_EDIT_ISLATINWORD(FX_WCHAR c) {
return c == 0x2D || (c <= 0x005A && c >= 0x0041) ||
(c <= 0x007A && c >= 0x0061) || (c <= 0x02AF && c >= 0x00C0) ||
c == 0x0027;
}
void AddSquigglyPath(CFX_Path* pPathData,
FX_FLOAT fStartX,
FX_FLOAT fEndX,
FX_FLOAT fY,
FX_FLOAT fStep) {
pPathData->MoveTo(fStartX, fY);
int i = 1;
for (FX_FLOAT fx = fStartX + fStep; fx < fEndX; fx += fStep, ++i) {
pPathData->LineTo(fx, fY + (i & 1) * fStep);
}
}
} // namespace
IFWL_Edit::IFWL_Edit(const CFWL_WidgetImpProperties& properties,
IFWL_Widget* pOuter)
: IFWL_Widget(properties, pOuter),
m_fVAlignOffset(0.0f),
m_fScrollOffsetX(0.0f),
m_fScrollOffsetY(0.0f),
m_bLButtonDown(FALSE),
m_nSelStart(0),
m_nLimit(-1),
m_fSpaceAbove(0),
m_fSpaceBelow(0),
m_fFontSize(0),
m_bSetRange(FALSE),
m_iMin(-1),
m_iMax(0xFFFFFFF),
m_backColor(0),
m_updateBackColor(FALSE),
m_iCurRecord(-1),
m_iMaxRecord(128) {
m_rtClient.Reset();
m_rtEngine.Reset();
m_rtStatic.Reset();
}
IFWL_Edit::~IFWL_Edit() {
ClearRecord();
}
FWL_Type IFWL_Edit::GetClassID() const {
return FWL_Type::Edit;
}
FWL_Error IFWL_Edit::Initialize() {
if (IFWL_Widget::Initialize() != FWL_Error::Succeeded)
return FWL_Error::Indefinite;
if (!m_pDelegate)
m_pDelegate = new CFWL_EditImpDelegate(this);
InitCaret();
if (!m_pEdtEngine)
InitEngine();
return FWL_Error::Succeeded;
}
void IFWL_Edit::Finalize() {
if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)
ShowCaret(FALSE);
if (m_pHorzScrollBar)
m_pHorzScrollBar->Finalize();
if (m_pVertScrollBar)
m_pVertScrollBar->Finalize();
delete m_pDelegate;
m_pDelegate = nullptr;
IFWL_Widget::Finalize();
}
FWL_Error IFWL_Edit::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
if (bAutoSize) {
rect.Set(0, 0, 0, 0);
if (m_pEdtEngine) {
int32_t iTextLen = m_pEdtEngine->GetTextLength();
if (iTextLen > 0) {
CFX_WideString wsText;
m_pEdtEngine->GetText(wsText, 0);
CFX_SizeF sz = CalcTextSize(
wsText, m_pProperties->m_pThemeProvider,
m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine);
rect.Set(0, 0, sz.x, sz.y);
}
}
IFWL_Widget::GetWidgetRect(rect, TRUE);
} else {
rect = m_pProperties->m_rtWidget;
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
if (IsShowScrollBar(TRUE)) {
FX_FLOAT* pfWidth = static_cast<FX_FLOAT*>(
GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
rect.width += *pfWidth;
rect.width += kEditMargin;
}
if (IsShowScrollBar(FALSE)) {
FX_FLOAT* pfWidth = static_cast<FX_FLOAT*>(
GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
rect.height += *pfWidth;
rect.height += kEditMargin;
}
}
}
return FWL_Error::Succeeded;
}
void IFWL_Edit::SetStates(uint32_t dwStates, FX_BOOL bSet) {
if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Invisible) ||
(m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
ShowCaret(FALSE);
}
IFWL_Widget::SetStates(dwStates, bSet);
}
FWL_Error IFWL_Edit::SetWidgetRect(const CFX_RectF& rect) {
return IFWL_Widget::SetWidgetRect(rect);
}
FWL_Error IFWL_Edit::Update() {
if (IsLocked()) {
return FWL_Error::Indefinite;
}
if (!m_pProperties->m_pThemeProvider) {
m_pProperties->m_pThemeProvider = GetAvailableTheme();
}
Layout();
if (m_rtClient.IsEmpty()) {
return FWL_Error::Indefinite;
}
UpdateEditEngine();
UpdateVAlignment();
UpdateScroll();
InitCaret();
return FWL_Error::Succeeded;
}
FWL_WidgetHit IFWL_Edit::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
if (IsShowScrollBar(TRUE)) {
CFX_RectF rect;
m_pVertScrollBar->GetWidgetRect(rect);
if (rect.Contains(fx, fy))
return FWL_WidgetHit::VScrollBar;
}
if (IsShowScrollBar(FALSE)) {
CFX_RectF rect;
m_pHorzScrollBar->GetWidgetRect(rect);
if (rect.Contains(fx, fy))
return FWL_WidgetHit::HScrollBar;
}
}
if (m_rtClient.Contains(fx, fy))
return FWL_WidgetHit::Edit;
return FWL_WidgetHit::Unknown;
}
void IFWL_Edit::AddSpellCheckObj(CFX_Path& PathData,
int32_t nStart,
int32_t nCount,
FX_FLOAT fOffSetX,
FX_FLOAT fOffSetY) {
FX_FLOAT fStartX = 0.0f;
FX_FLOAT fEndX = 0.0f;
FX_FLOAT fY = 0.0f;
FX_FLOAT fStep = 0.0f;
IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
CFX_RectFArray rectArray;
CFX_RectF rectText;
const FDE_TXTEDTPARAMS* txtEdtParams = m_pEdtEngine->GetEditParams();
FX_FLOAT fAsent = (FX_FLOAT)txtEdtParams->pFont->GetAscent() *
txtEdtParams->fFontSize / 1000;
pPage->CalcRangeRectArray(nStart, nCount, rectArray);
for (int i = 0; i < rectArray.GetSize(); i++) {
rectText = rectArray.GetAt(i);
fY = rectText.top + fAsent + fOffSetY;
fStep = txtEdtParams->fFontSize / 16.0f;
fStartX = rectText.left + fOffSetX;
fEndX = fStartX + rectText.Width();
AddSquigglyPath(&PathData, fStartX, fEndX, fY, fStep);
}
}
int32_t IFWL_Edit::GetWordAtPoint(CFX_PointF pointf, int32_t& nCount) {
return 0;
}
FX_BOOL IFWL_Edit::GetSuggestWords(CFX_PointF pointf,
std::vector<CFX_ByteString>& sSuggest) {
int32_t nWordCount = 0;
int32_t nWordStart = GetWordAtPoint(pointf, nWordCount);
if (nWordCount < 1) {
return FALSE;
}
CFX_WideString wsSpell;
GetText(wsSpell, nWordStart, nWordCount);
CFX_ByteString sLatinWord;
for (int i = 0; i < nWordCount; i++) {
if (!FX_EDIT_ISLATINWORD(wsSpell[i])) {
break;
}
sLatinWord += (FX_CHAR)wsSpell[i];
}
if (sLatinWord.IsEmpty()) {
return FALSE;
}
CFWL_EvtEdtCheckWord checkWordEvent;
checkWordEvent.m_pSrcTarget = this;
checkWordEvent.bsWord = sLatinWord;
checkWordEvent.bCheckWord = TRUE;
DispatchEvent(&checkWordEvent);
if (checkWordEvent.bCheckWord) {
return FALSE;
}
CFWL_EvtEdtGetSuggestWords suggestWordsEvent;
suggestWordsEvent.m_pSrcTarget = this;
suggestWordsEvent.bsWord = sLatinWord;
suggestWordsEvent.bsArraySuggestWords = sSuggest;
suggestWordsEvent.bSuggestWords = FALSE;
DispatchEvent(&checkWordEvent);
return suggestWordsEvent.bSuggestWords;
}
FX_BOOL IFWL_Edit::ReplaceSpellCheckWord(CFX_PointF pointf,
const CFX_ByteStringC& bsReplace) {
int32_t nWordCount = 0;
int32_t nWordStart = GetWordAtPoint(pointf, nWordCount);
if (nWordCount < 1) {
return FALSE;
}
CFX_WideString wsSpell;
GetText(wsSpell, nWordStart, nWordCount);
for (int i = 0; i < nWordCount; i++) {
if (!FX_EDIT_ISLATINWORD(wsSpell[i])) {
nWordCount = i;
break;
}
}
int32_t nDestLen = bsReplace.GetLength();
CFX_WideString wsDest;
FX_WCHAR* pBuffer = wsDest.GetBuffer(nDestLen);
for (int32_t i = 0; i < nDestLen; i++) {
pBuffer[i] = bsReplace[i];
}
wsDest.ReleaseBuffer(nDestLen);
Replace(nWordStart, nWordCount, wsDest.AsStringC());
return TRUE;
}
void IFWL_Edit::DrawSpellCheck(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
pGraphics->SaveGraphState();
if (pMatrix) {
pGraphics->ConcatMatrix(const_cast<CFX_Matrix*>(pMatrix));
}
FX_ARGB cr = 0xFFFF0000;
CFX_Color crLine(cr);
CFWL_EvtEdtCheckWord checkWordEvent;
checkWordEvent.m_pSrcTarget = this;
CFX_ByteString sLatinWord;
CFX_Path pathSpell;
pathSpell.Create();
int32_t nStart = 0;
FX_FLOAT fOffSetX = m_rtEngine.left - m_fScrollOffsetX;
FX_FLOAT fOffSetY = m_rtEngine.top - m_fScrollOffsetY + m_fVAlignOffset;
CFX_WideString wsSpell;
GetText(wsSpell);
int32_t nContentLen = wsSpell.GetLength();
for (int i = 0; i < nContentLen; i++) {
if (FX_EDIT_ISLATINWORD(wsSpell[i])) {
if (sLatinWord.IsEmpty()) {
nStart = i;
}
sLatinWord += (FX_CHAR)wsSpell[i];
} else {
checkWordEvent.bsWord = sLatinWord;
checkWordEvent.bCheckWord = TRUE;
DispatchEvent(&checkWordEvent);
if (!sLatinWord.IsEmpty() && !checkWordEvent.bCheckWord) {
AddSpellCheckObj(pathSpell, nStart, sLatinWord.GetLength(), fOffSetX,
fOffSetY);
}
sLatinWord.clear();
}
}
checkWordEvent.bsWord = sLatinWord;
checkWordEvent.bCheckWord = TRUE;
DispatchEvent(&checkWordEvent);
if (!sLatinWord.IsEmpty() && !checkWordEvent.bCheckWord) {
AddSpellCheckObj(pathSpell, nStart, sLatinWord.GetLength(), fOffSetX,
fOffSetY);
}
if (!pathSpell.IsEmpty()) {
CFX_RectF rtClip = m_rtEngine;
CFX_Matrix mt;
mt.Set(1, 0, 0, 1, fOffSetX, fOffSetY);
if (pMatrix) {
pMatrix->TransformRect(rtClip);
mt.Concat(*pMatrix);
}
pGraphics->SetClipRect(rtClip);
pGraphics->SetStrokeColor(&crLine);
pGraphics->SetLineWidth(0);
pGraphics->StrokePath(&pathSpell, nullptr);
}
pGraphics->RestoreGraphState();
}
FWL_Error IFWL_Edit::DrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
if (!pGraphics)
return FWL_Error::Indefinite;
if (!m_pProperties->m_pThemeProvider)
return FWL_Error::Indefinite;
if (m_rtClient.IsEmpty()) {
return FWL_Error::Indefinite;
}
IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
if (!m_pWidgetMgr->IsFormDisabled()) {
DrawTextBk(pGraphics, pTheme, pMatrix);
}
if (m_pEdtEngine) {
DrawContent(pGraphics, pTheme, pMatrix);
}
if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) &&
!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly)) {
DrawSpellCheck(pGraphics, pMatrix);
}
if (HasBorder()) {
DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix);
}
if (HasEdge()) {
DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix);
}
return FWL_Error::Succeeded;
}
FWL_Error IFWL_Edit::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) {
if (!pThemeProvider)
return FWL_Error::Indefinite;
if (m_pHorzScrollBar) {
m_pHorzScrollBar->SetThemeProvider(pThemeProvider);
}
if (m_pVertScrollBar) {
m_pVertScrollBar->SetThemeProvider(pThemeProvider);
}
if (m_pCaret) {
m_pCaret->SetThemeProvider(pThemeProvider);
}
m_pProperties->m_pThemeProvider = pThemeProvider;
return FWL_Error::Succeeded;
}
FWL_Error IFWL_Edit::SetText(const CFX_WideString& wsText) {
m_pEdtEngine->SetText(wsText);
return FWL_Error::Succeeded;
}
int32_t IFWL_Edit::GetTextLength() const {
if (!m_pEdtEngine)
return -1;
return m_pEdtEngine->GetTextLength();
}
FWL_Error IFWL_Edit::GetText(CFX_WideString& wsText,
int32_t nStart,
int32_t nCount) const {
if (!m_pEdtEngine)
return FWL_Error::Indefinite;
m_pEdtEngine->GetText(wsText, nStart, nCount);
return FWL_Error::Succeeded;
}
FWL_Error IFWL_Edit::ClearText() {
if (!m_pEdtEngine)
return FWL_Error::Indefinite;
m_pEdtEngine->ClearText();
return FWL_Error::Succeeded;
}
int32_t IFWL_Edit::GetCaretPos() const {
if (!m_pEdtEngine)
return -1;
return m_pEdtEngine->GetCaretPos();
}
int32_t IFWL_Edit::SetCaretPos(int32_t nIndex, FX_BOOL bBefore) {
if (!m_pEdtEngine)
return -1;
return m_pEdtEngine->SetCaretPos(nIndex, bBefore);
}
FWL_Error IFWL_Edit::AddSelRange(int32_t nStart, int32_t nCount) {
if (!m_pEdtEngine)
return FWL_Error::Indefinite;
m_pEdtEngine->AddSelRange(nStart, nCount);
return FWL_Error::Succeeded;
}
int32_t IFWL_Edit::CountSelRanges() {
if (!m_pEdtEngine)
return 0;
return m_pEdtEngine->CountSelRanges();
}
int32_t IFWL_Edit::GetSelRange(int32_t nIndex, int32_t& nStart) {
if (!m_pEdtEngine)
return -1;
return m_pEdtEngine->GetSelRange(nIndex, nStart);
}
FWL_Error IFWL_Edit::ClearSelections() {
if (!m_pEdtEngine)
return FWL_Error::Indefinite;
m_pEdtEngine->ClearSelection();
return FWL_Error::Succeeded;
}
int32_t IFWL_Edit::GetLimit() {
return m_nLimit;
}
FWL_Error IFWL_Edit::SetLimit(int32_t nLimit) {
m_nLimit = nLimit;
if (!m_pEdtEngine)
return FWL_Error::Indefinite;
m_pEdtEngine->SetLimit(nLimit);
return FWL_Error::Succeeded;
}
FWL_Error IFWL_Edit::SetAliasChar(FX_WCHAR wAlias) {
if (!m_pEdtEngine)
return FWL_Error::Indefinite;
m_pEdtEngine->SetAliasChar(wAlias);
return FWL_Error::Succeeded;
}
FWL_Error IFWL_Edit::Insert(int32_t nStart,
const FX_WCHAR* lpText,
int32_t nLen) {
if (!m_pEdtEngine)
return FWL_Error::Indefinite;
if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly) ||
(m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
return FWL_Error::Indefinite;
}
m_pEdtEngine->Insert(nStart, lpText, nLen);
return FWL_Error::Succeeded;
}
FWL_Error IFWL_Edit::DeleteSelections() {
if (!m_pEdtEngine)
return FWL_Error::Indefinite;
int32_t iCount = m_pEdtEngine->CountSelRanges();
if (iCount > 0)
m_pEdtEngine->Delete(-1);
return FWL_Error::Succeeded;
}
FWL_Error IFWL_Edit::DeleteRange(int32_t nStart, int32_t nCount) {
if (!m_pEdtEngine)
return FWL_Error::Indefinite;
m_pEdtEngine->DeleteRange(nStart, nCount);
return FWL_Error::Succeeded;
}
FWL_Error IFWL_Edit::Replace(int32_t nStart,
int32_t nLen,
const CFX_WideStringC& wsReplace) {
if (!m_pEdtEngine)
return FWL_Error::Indefinite;
m_pEdtEngine->Replace(nStart, nLen, CFX_WideString(wsReplace));
return FWL_Error::Succeeded;
}
FWL_Error IFWL_Edit::DoClipboard(int32_t iCmd) {
if (!m_pEdtEngine)
return FWL_Error::Indefinite;
if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly) ||
(m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
return FWL_Error::Succeeded;
}
return FWL_Error::Indefinite;
}
FX_BOOL IFWL_Edit::Copy(CFX_WideString& wsCopy) {
if (!m_pEdtEngine)
return FALSE;
int32_t nCount = m_pEdtEngine->CountSelRanges();
if (nCount == 0)
return FALSE;
wsCopy.clear();
CFX_WideString wsTemp;
int32_t nStart, nLength;
for (int32_t i = 0; i < nCount; i++) {
nLength = m_pEdtEngine->GetSelRange(i, nStart);
m_pEdtEngine->GetText(wsTemp, nStart, nLength);
wsCopy += wsTemp;
wsTemp.clear();
}
return TRUE;
}
FX_BOOL IFWL_Edit::Cut(CFX_WideString& wsCut) {
if (!m_pEdtEngine)
return FALSE;
int32_t nCount = m_pEdtEngine->CountSelRanges();
if (nCount == 0)
return FALSE;
wsCut.clear();
CFX_WideString wsTemp;
int32_t nStart, nLength;
for (int32_t i = 0; i < nCount; i++) {
nLength = m_pEdtEngine->GetSelRange(i, nStart);
m_pEdtEngine->GetText(wsTemp, nStart, nLength);
wsCut += wsTemp;
wsTemp.clear();
}
m_pEdtEngine->Delete(0);
return TRUE;
}
FX_BOOL IFWL_Edit::Paste(const CFX_WideString& wsPaste) {
if (!m_pEdtEngine)
return FALSE;
int32_t nCaret = m_pEdtEngine->GetCaretPos();
int32_t iError =
m_pEdtEngine->Insert(nCaret, wsPaste.c_str(), wsPaste.GetLength());
if (iError < 0) {
ProcessInsertError(iError);
return FALSE;
}
return TRUE;
}
FX_BOOL IFWL_Edit::Delete() {
if (!m_pEdtEngine)
return FALSE;
int32_t nCount = m_pEdtEngine->CountSelRanges();
if (nCount < 1)
return FALSE;
m_pEdtEngine->Delete(0);
return TRUE;
}
FX_BOOL IFWL_Edit::Redo(const IFDE_TxtEdtDoRecord* pRecord) {
if (!m_pEdtEngine)
return FALSE;
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_NoRedoUndo)
return TRUE;
return m_pEdtEngine->Redo(pRecord);
}
FX_BOOL IFWL_Edit::Undo(const IFDE_TxtEdtDoRecord* pRecord) {
if (!m_pEdtEngine)
return FALSE;
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_NoRedoUndo)
return TRUE;
return m_pEdtEngine->Undo(pRecord);
}
FX_BOOL IFWL_Edit::Undo() {
if (!CanUndo())
return FALSE;
return Undo(m_DoRecords[m_iCurRecord--].get());
}
FX_BOOL IFWL_Edit::Redo() {
if (!CanRedo())
return FALSE;
return Redo(m_DoRecords[++m_iCurRecord].get());
}
FX_BOOL IFWL_Edit::CanUndo() {
return m_iCurRecord >= 0;
}
FX_BOOL IFWL_Edit::CanRedo() {
return m_iCurRecord < pdfium::CollectionSize<int32_t>(m_DoRecords) - 1;
}
FWL_Error IFWL_Edit::SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) {
if (!m_pEdtEngine)
return FWL_Error::Indefinite;
FDE_TXTEDTPARAMS* pParams = m_pEdtEngine->GetEditParams();
pParams->fTabWidth = fTabWidth;
pParams->bTabEquidistant = bEquidistant;
return FWL_Error::Succeeded;
}
FWL_Error IFWL_Edit::SetOuter(IFWL_Widget* pOuter) {
m_pOuter = pOuter;
return FWL_Error::Succeeded;
}
FWL_Error IFWL_Edit::SetNumberRange(int32_t iMin, int32_t iMax) {
m_iMin = iMin;
m_iMax = iMax;
m_bSetRange = TRUE;
return FWL_Error::Succeeded;
}
void IFWL_Edit::On_CaretChanged(CFDE_TxtEdtEngine* pEdit,
int32_t nPage,
FX_BOOL bVisible) {
if (m_rtEngine.IsEmpty())
return;
if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0)
return;
FX_BOOL bRepaintContent = UpdateOffset();
UpdateCaret();
CFX_RectF rtInvalid;
rtInvalid.Set(0, 0, 0, 0);
FX_BOOL bRepaintScroll = FALSE;
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine) {
IFWL_ScrollBar* pScroll = UpdateScroll();
if (pScroll) {
pScroll->GetWidgetRect(rtInvalid);
bRepaintScroll = TRUE;
}
}
if (bRepaintContent || bRepaintScroll) {
if (bRepaintContent) {
rtInvalid.Union(m_rtEngine);
}
Repaint(&rtInvalid);
}
}
void IFWL_Edit::On_TextChanged(CFDE_TxtEdtEngine* pEdit,
FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo) {
uint32_t dwStyleEx = m_pProperties->m_dwStyleExes;
if (dwStyleEx & FWL_STYLEEXT_EDT_VAlignMask)
UpdateVAlignment();
IFDE_TxtEdtPage* page = m_pEdtEngine->GetPage(0);
FX_FLOAT fContentWidth = page->GetContentsBox().width;
FX_FLOAT fContentHeight = page->GetContentsBox().height;
CFX_RectF rtTemp;
GetClientRect(rtTemp);
FX_BOOL bHSelfAdaption =
m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HSelfAdaption;
FX_BOOL bVSelfAdaption =
m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VSelfAdaption;
FX_BOOL bNeedUpdate = FALSE;
if (bHSelfAdaption || bVSelfAdaption) {
CFWL_EvtEdtPreSelfAdaption evt;
evt.m_pSrcTarget = this;
evt.bHSelfAdaption = TRUE;
evt.bVSelfAdaption = TRUE;
FX_FLOAT fWidth;
FX_FLOAT fHight;
fWidth = bHSelfAdaption ? fContentWidth : m_pProperties->m_rtWidget.width;
fHight = bVSelfAdaption ? fContentHeight : m_pProperties->m_rtWidget.height;
evt.rtAfterChange.Set(0, 0, fWidth, fHight);
DispatchEvent(&evt);
if (!evt.bHSelfAdaption) {
ModifyStylesEx(
0, FWL_STYLEEXT_EDT_HSelfAdaption | FWL_STYLEEXT_EDT_AutoHScroll);
}
if (!evt.bVSelfAdaption) {
ModifyStylesEx(
0, FWL_STYLEEXT_EDT_VSelfAdaption | FWL_STYLEEXT_EDT_AutoVScroll);
}
bNeedUpdate = (bHSelfAdaption && !evt.bHSelfAdaption) ||
(bVSelfAdaption && !evt.bVSelfAdaption);
}
FX_FLOAT fContentWidth1 = fContentWidth;
FX_FLOAT fContentHeight1 = fContentHeight;
if (bNeedUpdate) {
UpdateEditParams();
UpdateEditLayout();
IFDE_TxtEdtPage* page1 = m_pEdtEngine->GetPage(0);
fContentWidth1 = page1->GetContentsBox().width;
fContentHeight1 = page1->GetContentsBox().height;
}
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HSelfAdaption) {
rtTemp.width = std::max(m_pProperties->m_rtWidget.width, fContentWidth1);
m_pProperties->m_rtWidget.width = fContentWidth1;
}
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VSelfAdaption) {
rtTemp.height = std::max(m_pProperties->m_rtWidget.height, fContentHeight1);
m_pProperties->m_rtWidget.height = fContentHeight1;
}
CFWL_EvtEdtTextChanged event;
event.m_pSrcTarget = this;
event.nChangeType = ChangeInfo.nChangeType;
event.wsInsert = ChangeInfo.wsInsert;
event.wsDelete = ChangeInfo.wsDelete;
event.wsPrevText = ChangeInfo.wsPrevText;
DispatchEvent(&event);
LayoutScrollBar();
Repaint(&rtTemp);
}
void IFWL_Edit::On_SelChanged(CFDE_TxtEdtEngine* pEdit) {
CFX_RectF rtTemp;
GetClientRect(rtTemp);
Repaint(&rtTemp);
}
FX_BOOL IFWL_Edit::On_PageLoad(CFDE_TxtEdtEngine* pEdit,
int32_t nPageIndex,
int32_t nPurpose) {
IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(nPageIndex);
if (!pPage)
return FALSE;
pPage->LoadPage(nullptr, nullptr);
return TRUE;
}
FX_BOOL IFWL_Edit::On_PageUnload(CFDE_TxtEdtEngine* pEdit,
int32_t nPageIndex,
int32_t nPurpose) {
IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(nPageIndex);
if (!pPage)
return FALSE;
pPage->UnloadPage(nullptr);
return TRUE;
}
void IFWL_Edit::On_AddDoRecord(CFDE_TxtEdtEngine* pEdit,
IFDE_TxtEdtDoRecord* pRecord) {
AddDoRecord(pRecord);
}
FX_BOOL IFWL_Edit::On_Validate(CFDE_TxtEdtEngine* pEdit,
CFX_WideString& wsText) {
IFWL_Widget* pDst = GetOuter();
if (!pDst) {
pDst = this;
}
CFWL_EvtEdtValidate event;
event.pDstWidget = pDst;
event.m_pSrcTarget = this;
event.wsInsert = wsText;
event.bValidate = TRUE;
DispatchEvent(&event);
return event.bValidate;
}
FWL_Error IFWL_Edit::SetBackgroundColor(uint32_t color) {
m_backColor = color;
m_updateBackColor = TRUE;
return FWL_Error::Succeeded;
}
FWL_Error IFWL_Edit::SetFont(const CFX_WideString& wsFont, FX_FLOAT fSize) {
m_wsFont = wsFont;
m_fFontSize = fSize;
return FWL_Error::Succeeded;
}
void IFWL_Edit::SetScrollOffset(FX_FLOAT fScrollOffset) {
m_fScrollOffsetY = fScrollOffset;
}
void IFWL_Edit::DrawTextBk(CFX_Graphics* pGraphics,
IFWL_ThemeProvider* pTheme,
const CFX_Matrix* pMatrix) {
CFWL_ThemeBackground param;
param.m_pWidget = this;
param.m_iPart = CFWL_Part::Background;
param.m_bStaticBackground = false;
param.m_dwStates = m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly
? CFWL_PartState_ReadOnly
: CFWL_PartState_Normal;
uint32_t dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled);
if (dwStates) {
param.m_dwStates = CFWL_PartState_Disabled;
}
param.m_pGraphics = pGraphics;
param.m_matrix = *pMatrix;
param.m_rtPart = m_rtClient;
pTheme->DrawBackground(&param);
if (!IsShowScrollBar(TRUE) || !IsShowScrollBar(FALSE)) {
return;
}
CFX_RectF rtScorll;
m_pHorzScrollBar->GetWidgetRect(rtScorll);
CFX_RectF rtStatic;
rtStatic.Set(m_rtClient.right() - rtScorll.height,
m_rtClient.bottom() - rtScorll.height, rtScorll.height,
rtScorll.height);
param.m_bStaticBackground = true;
param.m_bMaximize = true;
param.m_rtPart = rtStatic;
pTheme->DrawBackground(&param);
}
void IFWL_Edit::DrawContent(CFX_Graphics* pGraphics,
IFWL_ThemeProvider* pTheme,
const CFX_Matrix* pMatrix) {
if (!m_pEdtEngine)
return;
IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
if (!pPage)
return;
pGraphics->SaveGraphState();
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_CombText) {
pGraphics->SaveGraphState();
}
CFX_RectF rtClip = m_rtEngine;
FX_FLOAT fOffSetX = m_rtEngine.left - m_fScrollOffsetX;
FX_FLOAT fOffSetY = m_rtEngine.top - m_fScrollOffsetY + m_fVAlignOffset;
CFX_Matrix mt;
mt.Set(1, 0, 0, 1, fOffSetX, fOffSetY);
if (pMatrix) {
pMatrix->TransformRect(rtClip);
mt.Concat(*pMatrix);
}
FX_BOOL bShowSel =
(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_NoHideSel) ||
(m_pProperties->m_dwStates & FWL_WGTSTATE_Focused);
if (bShowSel) {
IFWL_Widget* pForm = m_pWidgetMgr->GetSystemFormWidget(this);
if (pForm) {
bShowSel = (pForm->GetStates() & FWL_WGTSTATE_Deactivated) !=
FWL_WGTSTATE_Deactivated;
}
}
int32_t nSelCount = m_pEdtEngine->CountSelRanges();
if (bShowSel && nSelCount > 0) {
int32_t nPageCharStart = pPage->GetCharStart();
int32_t nPageCharCount = pPage->GetCharCount();
int32_t nPageCharEnd = nPageCharStart + nPageCharCount - 1;
int32_t nCharCount;
int32_t nCharStart;
CFX_RectFArray rectArr;
int32_t i = 0;
for (i = 0; i < nSelCount; i++) {
nCharCount = m_pEdtEngine->GetSelRange(i, nCharStart);
int32_t nCharEnd = nCharStart + nCharCount - 1;
if (nCharEnd < nPageCharStart || nCharStart > nPageCharEnd) {
continue;
}
int32_t nBgn = std::max(nCharStart, nPageCharStart);
int32_t nEnd = std::min(nCharEnd, nPageCharEnd);
pPage->CalcRangeRectArray(nBgn - nPageCharStart, nEnd - nBgn + 1,
rectArr);
}
int32_t nCount = rectArr.GetSize();
CFX_Path path;
path.Create();
for (i = 0; i < nCount; i++) {
rectArr[i].left += fOffSetX;
rectArr[i].top += fOffSetY;
path.AddRectangle(rectArr[i].left, rectArr[i].top, rectArr[i].width,
rectArr[i].height);
}
pGraphics->SetClipRect(rtClip);
CFWL_ThemeBackground param;
param.m_pGraphics = pGraphics;
param.m_matrix = *pMatrix;
param.m_pWidget = this;
param.m_iPart = CFWL_Part::Background;
param.m_pPath = &path;
pTheme->DrawBackground(&param);
}
CFX_RenderDevice* pRenderDev = pGraphics->GetRenderDevice();
if (!pRenderDev)
return;
std::unique_ptr<CFDE_RenderDevice> pRenderDevice(
new CFDE_RenderDevice(pRenderDev, FALSE));
std::unique_ptr<CFDE_RenderContext> pRenderContext(new CFDE_RenderContext);
pRenderDevice->SetClipRect(rtClip);
pRenderContext->StartRender(pRenderDevice.get(), pPage, mt);
pRenderContext->DoRender(nullptr);
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_CombText) {
pGraphics->RestoreGraphState();
CFX_Path path;
path.Create();
int32_t iLimit = m_nLimit > 0 ? m_nLimit : 1;
FX_FLOAT fStep = m_rtEngine.width / iLimit;
FX_FLOAT fLeft = m_rtEngine.left + 1;
for (int32_t i = 1; i < iLimit; i++) {
fLeft += fStep;
path.AddLine(fLeft, m_rtClient.top, fLeft, m_rtClient.bottom());
}
CFWL_ThemeBackground param;
param.m_pGraphics = pGraphics;
param.m_matrix = *pMatrix;
param.m_pWidget = this;
param.m_iPart = CFWL_Part::CombTextLine;
param.m_pPath = &path;
pTheme->DrawBackground(&param);
}
pGraphics->RestoreGraphState();
}
void IFWL_Edit::UpdateEditEngine() {
UpdateEditParams();
UpdateEditLayout();
if (m_nLimit > -1) {
m_pEdtEngine->SetLimit(m_nLimit);
}
}
void IFWL_Edit::UpdateEditParams() {
FDE_TXTEDTPARAMS params;
params.nHorzScale = 100;
params.fPlateWidth = m_rtEngine.width;
params.fPlateHeight = m_rtEngine.height;
if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_RTLLayout) {
params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_RTL;
}
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VerticalLayout) {
params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_DocVertical;
}
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VerticalChars) {
params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_CharVertial;
}
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReverseLine) {
params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_LineReserve;
}
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ArabicShapes) {
params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_ArabicShapes;
}
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ExpandTab) {
params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_ExpandTab;
}
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_CombText) {
params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_CombText;
}
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_LastLineHeight) {
params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_LastLineHeight;
}
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_Validate) {
params.dwMode |= FDE_TEXTEDITMODE_Validate;
}
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_Password) {
params.dwMode |= FDE_TEXTEDITMODE_Password;
}
switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HAlignMask) {
case FWL_STYLEEXT_EDT_HNear: {
params.dwAlignment |= FDE_TEXTEDITALIGN_Left;
break;
}
case FWL_STYLEEXT_EDT_HCenter: {
params.dwAlignment |= FDE_TEXTEDITALIGN_Center;
break;
}
case FWL_STYLEEXT_EDT_HFar: {
params.dwAlignment |= FDE_TEXTEDITALIGN_Right;
break;
}
default: {}
}
switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HAlignModeMask) {
case FWL_STYLEEXT_EDT_Justified: {
params.dwAlignment |= FDE_TEXTEDITALIGN_Justified;
break;
}
case FWL_STYLEEXT_EDT_Distributed: {
params.dwAlignment |= FDE_TEXTEDITALIGN_Distributed;
break;
}
default: { params.dwAlignment |= FDE_TEXTEDITALIGN_Normal; }
}
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine) {
params.dwMode |= FDE_TEXTEDITMODE_MultiLines;
if ((m_pProperties->m_dwStyles & FWL_WGTSTYLE_HScroll) == 0 &&
(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_AutoHScroll) == 0) {
params.dwMode |=
FDE_TEXTEDITMODE_AutoLineWrap | FDE_TEXTEDITMODE_LimitArea_Horz;
}
if ((m_pProperties->m_dwStyles & FWL_WGTSTYLE_VScroll) == 0 &&
(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_AutoVScroll) == 0) {
params.dwMode |= FDE_TEXTEDITMODE_LimitArea_Vert;
} else {
params.fPlateHeight = 0x00FFFFFF;
}
} else {
if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_AutoHScroll) == 0) {
params.dwMode |= FDE_TEXTEDITMODE_LimitArea_Horz;
}
}
if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly) ||
(m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
params.dwMode |= FDE_TEXTEDITMODE_ReadOnly;
}
FX_FLOAT* pFontSize =
static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::FontSize));
if (!pFontSize)
return;
m_fFontSize = *pFontSize;
uint32_t* pFontColor =
static_cast<uint32_t*>(GetThemeCapacity(CFWL_WidgetCapacity::TextColor));
if (!pFontColor)
return;
params.dwFontColor = *pFontColor;
FX_FLOAT* pLineHeight =
static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::LineHeight));
if (!pLineHeight)
return;
params.fLineSpace = *pLineHeight;
CFGAS_GEFont* pFont =
static_cast<CFGAS_GEFont*>(GetThemeCapacity(CFWL_WidgetCapacity::Font));
if (!pFont)
return;
params.pFont = pFont;
params.fFontSize = m_fFontSize;
params.nLineCount = (int32_t)(params.fPlateHeight / params.fLineSpace);
if (params.nLineCount <= 0) {
params.nLineCount = 1;
}
params.fTabWidth = params.fFontSize * 1;
params.bTabEquidistant = TRUE;
params.wLineBreakChar = L'\n';
params.nCharRotation = 0;
params.pEventSink = this;
m_pEdtEngine->SetEditParams(params);
}
void IFWL_Edit::UpdateEditLayout() {
if (m_pEdtEngine->GetTextLength() <= 0)
m_pEdtEngine->SetTextByStream(nullptr);
IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
if (pPage)
pPage->UnloadPage(nullptr);
m_pEdtEngine->StartLayout();
m_pEdtEngine->DoLayout(nullptr);
m_pEdtEngine->EndLayout();
pPage = m_pEdtEngine->GetPage(0);
if (pPage)
pPage->LoadPage(nullptr, nullptr);
}
FX_BOOL IFWL_Edit::UpdateOffset() {
CFX_RectF rtCaret;
m_pEdtEngine->GetCaretRect(rtCaret);
FX_FLOAT fOffSetX = m_rtEngine.left - m_fScrollOffsetX;
FX_FLOAT fOffSetY = m_rtEngine.top - m_fScrollOffsetY + m_fVAlignOffset;
rtCaret.Offset(fOffSetX, fOffSetY);
const CFX_RectF& rtEidt = m_rtEngine;
if (rtEidt.Contains(rtCaret)) {
IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
if (!pPage)
return FALSE;
CFX_RectF rtFDE = pPage->GetContentsBox();
rtFDE.Offset(fOffSetX, fOffSetY);
if (rtFDE.right() < rtEidt.right() && m_fScrollOffsetX > 0) {
m_fScrollOffsetX += rtFDE.right() - rtEidt.right();
m_fScrollOffsetX = std::max(m_fScrollOffsetX, 0.0f);
}
if (rtFDE.bottom() < rtEidt.bottom() && m_fScrollOffsetY > 0) {
m_fScrollOffsetY += rtFDE.bottom() - rtEidt.bottom();
m_fScrollOffsetY = std::max(m_fScrollOffsetY, 0.0f);
}
return FALSE;
}
FX_FLOAT offsetX = 0.0;
FX_FLOAT offsetY = 0.0;
if (rtCaret.left < rtEidt.left)
offsetX = rtCaret.left - rtEidt.left;
if (rtCaret.right() > rtEidt.right())
offsetX = rtCaret.right() - rtEidt.right();
if (rtCaret.top < rtEidt.top)
offsetY = rtCaret.top - rtEidt.top;
if (rtCaret.bottom() > rtEidt.bottom())
offsetY = rtCaret.bottom() - rtEidt.bottom();
if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HSelfAdaption))
m_fScrollOffsetX += offsetX;
if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VSelfAdaption))
m_fScrollOffsetY += offsetY;
if (m_fFontSize > m_rtEngine.height)
m_fScrollOffsetY = 0;
return TRUE;
}
FX_BOOL IFWL_Edit::UpdateOffset(IFWL_ScrollBar* pScrollBar,
FX_FLOAT fPosChanged) {
if (pScrollBar == m_pHorzScrollBar.get())
m_fScrollOffsetX += fPosChanged;
else
m_fScrollOffsetY += fPosChanged;
return TRUE;
}
void IFWL_Edit::UpdateVAlignment() {
IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
if (!pPage)
return;
const CFX_RectF& rtFDE = pPage->GetContentsBox();
FX_FLOAT fOffsetY = 0.0f;
FX_FLOAT fSpaceAbove = 0.0f;
FX_FLOAT fSpaceBelow = 0.0f;
CFX_SizeF* pSpace = static_cast<CFX_SizeF*>(
GetThemeCapacity(CFWL_WidgetCapacity::SpaceAboveBelow));
if (pSpace) {
fSpaceAbove = pSpace->x;
fSpaceBelow = pSpace->y;
}
if (fSpaceAbove < 0.1f) {
fSpaceAbove = 0;
}
if (fSpaceBelow < 0.1f) {
fSpaceBelow = 0;
}
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VCenter) {
fOffsetY = (m_rtEngine.height - rtFDE.height) / 2;
if (fOffsetY < (fSpaceAbove + fSpaceBelow) / 2 &&
fSpaceAbove < fSpaceBelow) {
return;
}
fOffsetY += (fSpaceAbove - fSpaceBelow) / 2;
} else if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VFar) {
fOffsetY = (m_rtEngine.height - rtFDE.height);
fOffsetY -= fSpaceBelow;
} else {
fOffsetY += fSpaceAbove;
}
m_fVAlignOffset = fOffsetY;
if (m_fVAlignOffset < 0) {
m_fVAlignOffset = 0;
}
}
void IFWL_Edit::UpdateCaret() {
CFX_RectF rtFDE;
m_pEdtEngine->GetCaretRect(rtFDE);
rtFDE.Offset(m_rtEngine.left - m_fScrollOffsetX,
m_rtEngine.top - m_fScrollOffsetY + m_fVAlignOffset);
CFX_RectF rtCaret;
rtCaret.Set(rtFDE.left, rtFDE.top, rtFDE.width, rtFDE.height);
CFX_RectF temp = rtCaret;
CFX_RectF rtClient;
GetClientRect(rtClient);
rtCaret.Intersect(rtClient);
if (rtCaret.left > rtClient.right()) {
FX_FLOAT right = rtCaret.right();
rtCaret.left = rtClient.right() - 1;
rtCaret.width = right - rtCaret.left;
}
FX_BOOL bIntersect = !rtCaret.IsEmpty();
FX_BOOL bShow = TRUE;
FX_BOOL bShowWhole = FALSE;
if (!(m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) || !bIntersect) {
bShow = FALSE;
}
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HSelfAdaption &&
temp.right() > m_rtEngine.right()) {
bShowWhole = TRUE;
}
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VSelfAdaption &&
temp.bottom() > m_rtEngine.bottom()) {
bShowWhole = TRUE;
} else {
bShow = (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused && bIntersect);
}
if (bShowWhole) {
rtCaret = temp;
}
ShowCaret(bShow, &rtCaret);
}
IFWL_ScrollBar* IFWL_Edit::UpdateScroll() {
FX_BOOL bShowHorz =
m_pHorzScrollBar &&
((m_pHorzScrollBar->GetStates() & FWL_WGTSTATE_Invisible) == 0);
FX_BOOL bShowVert =
m_pVertScrollBar &&
((m_pVertScrollBar->GetStates() & FWL_WGTSTATE_Invisible) == 0);
if (!bShowHorz && !bShowVert) {
return nullptr;
}
IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
if (!pPage)
return nullptr;
const CFX_RectF& rtFDE = pPage->GetContentsBox();
IFWL_ScrollBar* pRepaint = nullptr;
if (bShowHorz) {
CFX_RectF rtScroll;
m_pHorzScrollBar->GetWidgetRect(rtScroll);
if (rtScroll.width < rtFDE.width) {
m_pHorzScrollBar->LockUpdate();
FX_FLOAT fRange = rtFDE.width - rtScroll.width;
m_pHorzScrollBar->SetRange(0.0f, fRange);
FX_FLOAT fPos = m_fScrollOffsetX;
if (fPos < 0.0f) {
fPos = 0.0f;
}
if (fPos > fRange) {
fPos = fRange;
}
m_pHorzScrollBar->SetPos(fPos);
m_pHorzScrollBar->SetTrackPos(fPos);
m_pHorzScrollBar->SetPageSize(rtScroll.width);
m_pHorzScrollBar->SetStepSize(rtScroll.width / 10);
m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Disabled, FALSE);
m_pHorzScrollBar->UnlockUpdate();
m_pHorzScrollBar->Update();
pRepaint = m_pHorzScrollBar.get();
} else if ((m_pHorzScrollBar->GetStates() & FWL_WGTSTATE_Disabled) == 0) {
m_pHorzScrollBar->LockUpdate();
m_pHorzScrollBar->SetRange(0, -1);
m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Disabled, TRUE);
m_pHorzScrollBar->UnlockUpdate();
m_pHorzScrollBar->Update();
pRepaint = m_pHorzScrollBar.get();
}
}
if (bShowVert) {
CFX_RectF rtScroll;
m_pVertScrollBar->GetWidgetRect(rtScroll);
if (rtScroll.height < rtFDE.height) {
m_pVertScrollBar->LockUpdate();
FX_FLOAT fStep = m_pEdtEngine->GetEditParams()->fLineSpace;
FX_FLOAT fRange = rtFDE.height - m_rtEngine.height;
if (fRange < fStep) {
fRange = fStep;
}
m_pVertScrollBar->SetRange(0.0f, fRange);
FX_FLOAT fPos = m_fScrollOffsetY;
if (fPos < 0.0f) {
fPos = 0.0f;
}
if (fPos > fRange) {
fPos = fRange;
}
m_pVertScrollBar->SetPos(fPos);
m_pVertScrollBar->SetTrackPos(fPos);
m_pVertScrollBar->SetPageSize(rtScroll.height);
m_pVertScrollBar->SetStepSize(fStep);
m_pVertScrollBar->SetStates(FWL_WGTSTATE_Disabled, FALSE);
m_pVertScrollBar->UnlockUpdate();
m_pVertScrollBar->Update();
pRepaint = m_pVertScrollBar.get();
} else if ((m_pVertScrollBar->GetStates() & FWL_WGTSTATE_Disabled) == 0) {
m_pVertScrollBar->LockUpdate();
m_pVertScrollBar->SetRange(0, -1);
m_pVertScrollBar->SetStates(FWL_WGTSTATE_Disabled, TRUE);
m_pVertScrollBar->UnlockUpdate();
m_pVertScrollBar->Update();
pRepaint = m_pVertScrollBar.get();
}
}
return pRepaint;
}
FX_BOOL IFWL_Edit::IsShowScrollBar(FX_BOOL bVert) {
FX_BOOL bShow =
(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ShowScrollbarFocus)
? (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) ==
FWL_WGTSTATE_Focused
: TRUE;
if (bVert) {
return bShow && (m_pProperties->m_dwStyles & FWL_WGTSTYLE_VScroll) &&
(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine) &&
IsContentHeightOverflow();
}
return bShow && (m_pProperties->m_dwStyles & FWL_WGTSTYLE_HScroll) &&
(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine);
}
FX_BOOL IFWL_Edit::IsContentHeightOverflow() {
if (!m_pEdtEngine)
return FALSE;
IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
if (!pPage)
return FALSE;
return pPage->GetContentsBox().height > m_rtEngine.height + 1.0f;
}
int32_t IFWL_Edit::AddDoRecord(IFDE_TxtEdtDoRecord* pRecord) {
int32_t nCount = pdfium::CollectionSize<int32_t>(m_DoRecords);
if (m_iCurRecord == nCount - 1) {
if (nCount == m_iMaxRecord) {
m_DoRecords.pop_front();
m_iCurRecord--;
}
} else {
m_DoRecords.erase(m_DoRecords.begin() + m_iCurRecord + 1,
m_DoRecords.end());
}
m_DoRecords.push_back(std::unique_ptr<IFDE_TxtEdtDoRecord>(pRecord));
m_iCurRecord = pdfium::CollectionSize<int32_t>(m_DoRecords) - 1;
return m_iCurRecord;
}
void IFWL_Edit::Layout() {
GetClientRect(m_rtClient);
m_rtEngine = m_rtClient;
FX_FLOAT* pfWidth = static_cast<FX_FLOAT*>(
GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
if (!pfWidth)
return;
FX_FLOAT fWidth = *pfWidth;
if (!m_pOuter) {
CFX_RectF* pUIMargin = static_cast<CFX_RectF*>(
GetThemeCapacity(CFWL_WidgetCapacity::UIMargin));
if (pUIMargin) {
m_rtEngine.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width,
pUIMargin->height);
}
} else if (m_pOuter->GetClassID() == FWL_Type::DateTimePicker) {
CFWL_ThemePart part;
part.m_pWidget = m_pOuter;
CFX_RectF* pUIMargin =
static_cast<CFX_RectF*>(m_pOuter->GetThemeProvider()->GetCapacity(
&part, CFWL_WidgetCapacity::UIMargin));
if (pUIMargin) {
m_rtEngine.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width,
pUIMargin->height);
}
}
FX_BOOL bShowVertScrollbar = IsShowScrollBar(TRUE);
FX_BOOL bShowHorzScrollbar = IsShowScrollBar(FALSE);
if (bShowVertScrollbar) {
InitScrollBar();
CFX_RectF rtVertScr;
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
rtVertScr.Set(m_rtClient.right() + kEditMargin, m_rtClient.top, fWidth,
m_rtClient.height);
} else {
rtVertScr.Set(m_rtClient.right() - fWidth, m_rtClient.top, fWidth,
m_rtClient.height);
if (bShowHorzScrollbar) {
rtVertScr.height -= fWidth;
}
m_rtEngine.width -= fWidth;
}
m_pVertScrollBar->SetWidgetRect(rtVertScr);
m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE);
m_pVertScrollBar->Update();
} else if (m_pVertScrollBar) {
m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE);
}
if (bShowHorzScrollbar) {
InitScrollBar(FALSE);
CFX_RectF rtHoriScr;
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
rtHoriScr.Set(m_rtClient.left, m_rtClient.bottom() + kEditMargin,
m_rtClient.width, fWidth);
} else {
rtHoriScr.Set(m_rtClient.left, m_rtClient.bottom() - fWidth,
m_rtClient.width, fWidth);
if (bShowVertScrollbar) {
rtHoriScr.width -= fWidth;
}
m_rtEngine.height -= fWidth;
}
m_pHorzScrollBar->SetWidgetRect(rtHoriScr);
m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE);
m_pHorzScrollBar->Update();
} else if (m_pHorzScrollBar) {
m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE);
}
}
void IFWL_Edit::LayoutScrollBar() {
if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ShowScrollbarFocus) ==
0) {
return;
}
FX_FLOAT* pfWidth = nullptr;
FX_BOOL bShowVertScrollbar = IsShowScrollBar(TRUE);
FX_BOOL bShowHorzScrollbar = IsShowScrollBar(FALSE);
if (bShowVertScrollbar) {
if (!m_pVertScrollBar) {
pfWidth = static_cast<FX_FLOAT*>(
GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
FX_FLOAT fWidth = pfWidth ? *pfWidth : 0;
InitScrollBar();
CFX_RectF rtVertScr;
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
rtVertScr.Set(m_rtClient.right() + kEditMargin, m_rtClient.top, fWidth,
m_rtClient.height);
} else {
rtVertScr.Set(m_rtClient.right() - fWidth, m_rtClient.top, fWidth,
m_rtClient.height);
if (bShowHorzScrollbar) {
rtVertScr.height -= fWidth;
}
}
m_pVertScrollBar->SetWidgetRect(rtVertScr);
m_pVertScrollBar->Update();
}
m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE);
} else if (m_pVertScrollBar) {
m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE);
}
if (bShowHorzScrollbar) {
if (!m_pHorzScrollBar) {
if (!pfWidth) {
pfWidth = static_cast<FX_FLOAT*>(
GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
}
FX_FLOAT fWidth = pfWidth ? *pfWidth : 0;
InitScrollBar(FALSE);
CFX_RectF rtHoriScr;
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
rtHoriScr.Set(m_rtClient.left, m_rtClient.bottom() + kEditMargin,
m_rtClient.width, fWidth);
} else {
rtHoriScr.Set(m_rtClient.left, m_rtClient.bottom() - fWidth,
m_rtClient.width, fWidth);
if (bShowVertScrollbar) {
rtHoriScr.width -= (fWidth);
}
}
m_pHorzScrollBar->SetWidgetRect(rtHoriScr);
m_pHorzScrollBar->Update();
}
m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE);
} else if (m_pHorzScrollBar) {
m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE);
}
if (bShowVertScrollbar || bShowHorzScrollbar) {
UpdateScroll();
}
}
void IFWL_Edit::DeviceToEngine(CFX_PointF& pt) {
pt.x += m_fScrollOffsetX - m_rtEngine.left;
pt.y += m_fScrollOffsetY - m_rtEngine.top - m_fVAlignOffset;
}
void IFWL_Edit::InitScrollBar(FX_BOOL bVert) {
if ((bVert && m_pVertScrollBar) || (!bVert && m_pHorzScrollBar)) {
return;
}
CFWL_WidgetImpProperties prop;
prop.m_dwStyleExes = bVert ? FWL_STYLEEXT_SCB_Vert : FWL_STYLEEXT_SCB_Horz;
prop.m_dwStates = FWL_WGTSTATE_Disabled | FWL_WGTSTATE_Invisible;
prop.m_pParent = this;
prop.m_pThemeProvider = m_pProperties->m_pThemeProvider;
IFWL_ScrollBar* pScrollBar = new IFWL_ScrollBar(prop, this);
pScrollBar->Initialize();
(bVert ? &m_pVertScrollBar : &m_pHorzScrollBar)->reset(pScrollBar);
}
void IFWL_Edit::InitEngine() {
if (!m_pEdtEngine)
m_pEdtEngine.reset(new CFDE_TxtEdtEngine);
}
FX_BOOL FWL_ShowCaret(IFWL_Widget* pWidget,
FX_BOOL bVisible,
const CFX_RectF* pRtAnchor) {
CXFA_FFWidget* pXFAWidget =
static_cast<CXFA_FFWidget*>(pWidget->GetLayoutItem());
if (!pXFAWidget)
return FALSE;
IXFA_DocEnvironment* pDocEnvironment =
pXFAWidget->GetDoc()->GetDocEnvironment();
if (!pDocEnvironment)
return FALSE;
if (bVisible) {
CFX_Matrix mt;
pXFAWidget->GetRotateMatrix(mt);
CFX_RectF rt(*pRtAnchor);
mt.TransformRect(rt);
pDocEnvironment->DisplayCaret(pXFAWidget, bVisible, &rt);
return TRUE;
}
pDocEnvironment->DisplayCaret(pXFAWidget, bVisible, pRtAnchor);
return TRUE;
}
void IFWL_Edit::ShowCaret(FX_BOOL bVisible, CFX_RectF* pRect) {
if (m_pCaret) {
m_pCaret->ShowCaret(bVisible);
if (bVisible && !pRect->IsEmpty()) {
m_pCaret->SetWidgetRect(*pRect);
}
Repaint(&m_rtEngine);
} else {
IFWL_Widget* pOuter = this;
if (bVisible) {
pRect->Offset(m_pProperties->m_rtWidget.left,
m_pProperties->m_rtWidget.top);
}
while (pOuter->GetOuter()) {
pOuter = pOuter->GetOuter();
if (bVisible) {
CFX_RectF rtOuter;
pOuter->GetWidgetRect(rtOuter);
pRect->Offset(rtOuter.left, rtOuter.top);
}
}
FWL_ShowCaret(pOuter, bVisible, pRect);
}
}
FX_BOOL IFWL_Edit::ValidateNumberChar(FX_WCHAR cNum) {
if (!m_pEdtEngine) {
return FALSE;
}
if (!m_bSetRange) {
return TRUE;
}
CFX_WideString wsOld, wsText;
m_pEdtEngine->GetText(wsText, 0);
if (wsText.IsEmpty()) {
if (cNum == L'0') {
return FALSE;
}
return TRUE;
}
int32_t caretPos = m_pEdtEngine->GetCaretPos();
int32_t iSel = CountSelRanges();
if (iSel == 0) {
if (cNum == L'0' && caretPos == 0) {
return FALSE;
}
int32_t nLen = wsText.GetLength();
CFX_WideString l = wsText.Mid(0, caretPos);
CFX_WideString r = wsText.Mid(caretPos, nLen - caretPos);
CFX_WideString wsNew = l + cNum + r;
if (wsNew.GetInteger() <= m_iMax) {
return TRUE;
}
} else {
if (wsText.GetInteger() <= m_iMax) {
return TRUE;
}
}
return FALSE;
}
void IFWL_Edit::InitCaret() {
if (!m_pCaret) {
if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_InnerCaret)) {
CFWL_WidgetImpProperties prop;
m_pCaret.reset(new IFWL_Caret(prop, this));
m_pCaret->Initialize();
m_pCaret->SetParent(this);
m_pCaret->SetStates(m_pProperties->m_dwStates);
}
} else if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_InnerCaret) ==
0) {
m_pCaret.reset();
}
}
void IFWL_Edit::ClearRecord() {
m_iCurRecord = -1;
m_DoRecords.clear();
}
void IFWL_Edit::ProcessInsertError(int32_t iError) {
switch (iError) {
case -2: {
CFWL_EvtEdtTextFull textFullEvent;
textFullEvent.m_pSrcTarget = this;
DispatchEvent(&textFullEvent);
break;
}
default: {}
}
}
CFWL_EditImpDelegate::CFWL_EditImpDelegate(IFWL_Edit* pOwner)
: m_pOwner(pOwner) {}
void CFWL_EditImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
if (!pMessage)
return;
CFWL_MessageType dwMsgCode = pMessage->GetClassID();
switch (dwMsgCode) {
case CFWL_MessageType::Activate: {
DoActivate(static_cast<CFWL_MsgActivate*>(pMessage));
break;
}
case CFWL_MessageType::Deactivate: {
DoDeactivate(static_cast<CFWL_MsgDeactivate*>(pMessage));
break;
}
case CFWL_MessageType::SetFocus:
case CFWL_MessageType::KillFocus: {
OnFocusChanged(pMessage, dwMsgCode == CFWL_MessageType::SetFocus);
break;
}
case CFWL_MessageType::Mouse: {
CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
switch (pMsg->m_dwCmd) {
case FWL_MouseCommand::LeftButtonDown: {
OnLButtonDown(pMsg);
break;
}
case FWL_MouseCommand::LeftButtonUp: {
OnLButtonUp(pMsg);
break;
}
case FWL_MouseCommand::LeftButtonDblClk: {
OnButtonDblClk(pMsg);
break;
}
case FWL_MouseCommand::Move: {
OnMouseMove(pMsg);
break;
}
case FWL_MouseCommand::RightButtonDown: {
DoButtonDown(pMsg);
break;
}
default:
break;
}
break;
}
case CFWL_MessageType::Key: {
CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage);
if (pKey->m_dwCmd == FWL_KeyCommand::KeyDown)
OnKeyDown(pKey);
else if (pKey->m_dwCmd == FWL_KeyCommand::Char)
OnChar(pKey);
break;
}
default: { break; }
}
CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
}
void CFWL_EditImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
if (!pEvent)
return;
if (pEvent->GetClassID() != CFWL_EventType::Scroll)
return;
IFWL_Widget* pSrcTarget = pEvent->m_pSrcTarget;
if ((pSrcTarget == m_pOwner->m_pVertScrollBar.get() &&
m_pOwner->m_pVertScrollBar) ||
(pSrcTarget == m_pOwner->m_pHorzScrollBar.get() &&
m_pOwner->m_pHorzScrollBar)) {
CFWL_EvtScroll* pScrollEvent = static_cast<CFWL_EvtScroll*>(pEvent);
OnScroll(static_cast<IFWL_ScrollBar*>(pSrcTarget),
pScrollEvent->m_iScrollCode, pScrollEvent->m_fPos);
}
}
void CFWL_EditImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
m_pOwner->DrawWidget(pGraphics, pMatrix);
}
void CFWL_EditImpDelegate::DoActivate(CFWL_MsgActivate* pMsg) {
m_pOwner->m_pProperties->m_dwStates |= ~FWL_WGTSTATE_Deactivated;
m_pOwner->Repaint(&m_pOwner->m_rtClient);
}
void CFWL_EditImpDelegate::DoDeactivate(CFWL_MsgDeactivate* pMsg) {
m_pOwner->m_pProperties->m_dwStates &= FWL_WGTSTATE_Deactivated;
m_pOwner->Repaint(&m_pOwner->m_rtClient);
}
void CFWL_EditImpDelegate::DoButtonDown(CFWL_MsgMouse* pMsg) {
if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
m_pOwner->SetFocus(TRUE);
}
if (!m_pOwner->m_pEdtEngine) {
m_pOwner->UpdateEditEngine();
}
IFDE_TxtEdtPage* pPage = m_pOwner->m_pEdtEngine->GetPage(0);
if (!pPage)
return;
CFX_PointF pt(pMsg->m_fx, pMsg->m_fy);
m_pOwner->DeviceToEngine(pt);
FX_BOOL bBefore = TRUE;
int32_t nIndex = pPage->GetCharIndex(pt, bBefore);
if (nIndex < 0) {
nIndex = 0;
}
m_pOwner->m_pEdtEngine->SetCaretPos(nIndex, bBefore);
}
void CFWL_EditImpDelegate::OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet) {
uint32_t dwStyleEx = m_pOwner->GetStylesEx();
bool bRepaint = !!(dwStyleEx & FWL_STYLEEXT_EDT_InnerCaret);
if (bSet) {
m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
if (!m_pOwner->m_pEdtEngine) {
m_pOwner->UpdateEditEngine();
}
m_pOwner->UpdateVAlignment();
m_pOwner->UpdateOffset();
m_pOwner->UpdateCaret();
} else if (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) {
m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
m_pOwner->ShowCaret(FALSE);
if (m_pOwner->m_pEdtEngine &&
(dwStyleEx & FWL_STYLEEXT_EDT_NoHideSel) == 0) {
int32_t nSel = m_pOwner->CountSelRanges();
if (nSel > 0) {
m_pOwner->ClearSelections();
bRepaint = TRUE;
}
m_pOwner->SetCaretPos(0);
m_pOwner->UpdateOffset();
}
m_pOwner->ClearRecord();
}
m_pOwner->LayoutScrollBar();
if (bRepaint) {
CFX_RectF rtInvalidate;
rtInvalidate.Set(0, 0, m_pOwner->m_pProperties->m_rtWidget.width,
m_pOwner->m_pProperties->m_rtWidget.height);
m_pOwner->Repaint(&rtInvalidate);
}
}
void CFWL_EditImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
DoCursor(pMsg);
if (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
return;
}
m_pOwner->m_bLButtonDown = TRUE;
m_pOwner->SetGrab(TRUE);
DoButtonDown(pMsg);
int32_t nIndex = m_pOwner->m_pEdtEngine->GetCaretPos();
FX_BOOL bRepaint = FALSE;
int32_t iCount = m_pOwner->m_pEdtEngine->CountSelRanges();
if (iCount > 0) {
m_pOwner->m_pEdtEngine->ClearSelection();
bRepaint = TRUE;
}
FX_BOOL bShift = pMsg->m_dwFlags & FWL_KEYFLAG_Shift;
if (bShift && m_pOwner->m_nSelStart != nIndex) {
int32_t iStart = std::min(m_pOwner->m_nSelStart, nIndex);
int32_t iEnd = std::max(m_pOwner->m_nSelStart, nIndex);
m_pOwner->m_pEdtEngine->AddSelRange(iStart, iEnd - iStart);
bRepaint = TRUE;
} else {
m_pOwner->m_nSelStart = nIndex;
}
if (bRepaint) {
m_pOwner->Repaint(&m_pOwner->m_rtEngine);
}
}
void CFWL_EditImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
DoCursor(pMsg);
m_pOwner->m_bLButtonDown = FALSE;
m_pOwner->SetGrab(FALSE);
}
void CFWL_EditImpDelegate::OnButtonDblClk(CFWL_MsgMouse* pMsg) {
if (!m_pOwner->m_pEdtEngine)
return;
DoCursor(pMsg);
IFDE_TxtEdtPage* pPage = m_pOwner->m_pEdtEngine->GetPage(0);
if (!pPage)
return;
CFX_PointF pt(pMsg->m_fx, pMsg->m_fy);
m_pOwner->DeviceToEngine(pt);
int32_t nCount = 0;
int32_t nIndex = pPage->SelectWord(pt, nCount);
if (nIndex < 0) {
return;
}
m_pOwner->m_pEdtEngine->AddSelRange(nIndex, nCount);
m_pOwner->m_pEdtEngine->SetCaretPos(nIndex + nCount - 1, FALSE);
m_pOwner->Repaint(&m_pOwner->m_rtEngine);
}
void CFWL_EditImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
if (!m_pOwner->m_pEdtEngine)
return;
DoCursor(pMsg);
if (m_pOwner->m_nSelStart == -1 || !m_pOwner->m_bLButtonDown) {
return;
}
IFDE_TxtEdtPage* pPage = m_pOwner->m_pEdtEngine->GetPage(0);
if (!pPage)
return;
CFX_PointF pt(pMsg->m_fx, pMsg->m_fy);
m_pOwner->DeviceToEngine(pt);
FX_BOOL bBefore = TRUE;
int32_t nIndex = pPage->GetCharIndex(pt, bBefore);
m_pOwner->m_pEdtEngine->SetCaretPos(nIndex, bBefore);
nIndex = m_pOwner->m_pEdtEngine->GetCaretPos();
m_pOwner->m_pEdtEngine->ClearSelection();
if (nIndex != m_pOwner->m_nSelStart) {
int32_t nLen = m_pOwner->m_pEdtEngine->GetTextLength();
if (m_pOwner->m_nSelStart >= nLen) {
m_pOwner->m_nSelStart = nLen;
}
m_pOwner->m_pEdtEngine->AddSelRange(
std::min(m_pOwner->m_nSelStart, nIndex),
FXSYS_abs(nIndex - m_pOwner->m_nSelStart));
}
}
void CFWL_EditImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) {
if (!m_pOwner->m_pEdtEngine)
return;
FDE_TXTEDTMOVECARET MoveCaret = MC_MoveNone;
FX_BOOL bShift = pMsg->m_dwFlags & FWL_KEYFLAG_Shift;
FX_BOOL bCtrl = pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl;
uint32_t dwKeyCode = pMsg->m_dwKeyCode;
switch (dwKeyCode) {
case FWL_VKEY_Left: {
MoveCaret = MC_Left;
break;
}
case FWL_VKEY_Right: {
MoveCaret = MC_Right;
break;
}
case FWL_VKEY_Up: {
MoveCaret = MC_Up;
break;
}
case FWL_VKEY_Down: {
MoveCaret = MC_Down;
break;
}
case FWL_VKEY_Home: {
if (bCtrl) {
MoveCaret = MC_Home;
} else {
MoveCaret = MC_LineStart;
}
break;
}
case FWL_VKEY_End: {
if (bCtrl) {
MoveCaret = MC_End;
} else {
MoveCaret = MC_LineEnd;
}
break;
}
case FWL_VKEY_Insert: {
break;
}
case FWL_VKEY_Delete: {
if ((m_pOwner->m_pProperties->m_dwStyleExes &
FWL_STYLEEXT_EDT_ReadOnly) ||
(m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
break;
}
int32_t nCaret = m_pOwner->m_pEdtEngine->GetCaretPos();
#if (_FX_OS_ == _FX_MACOSX_)
m_pOwner->m_pEdtEngine->Delete(nCaret, TRUE);
#else
m_pOwner->m_pEdtEngine->Delete(nCaret);
#endif
break;
}
case FWL_VKEY_F2: {
break;
}
case FWL_VKEY_Tab: {
m_pOwner->DispatchKeyEvent(pMsg);
break;
}
default: {
#if (_FX_OS_ == _FX_MACOSX_)
if (pMsg->m_dwFlags & FWL_KEYFLAG_Command) {
#else
if (pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl) {
#endif
if (dwKeyCode == 0x43 || dwKeyCode == 0x63) {
m_pOwner->DoClipboard(1);
return;
}
if (dwKeyCode == 0x58 || dwKeyCode == 0x78) {
m_pOwner->DoClipboard(2);
return;
}
if (dwKeyCode == 0x56 || dwKeyCode == 0x76) {
m_pOwner->DoClipboard(3);
return;
}
}
}
}
if (MoveCaret != MC_MoveNone) {
m_pOwner->m_pEdtEngine->MoveCaretPos(MoveCaret, bShift, bCtrl);
}
}
void CFWL_EditImpDelegate::OnChar(CFWL_MsgKey* pMsg) {
if ((m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly) ||
(m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
return;
}
if (!m_pOwner->m_pEdtEngine)
return;
int32_t iError = 0;
FX_WCHAR c = (FX_WCHAR)pMsg->m_dwKeyCode;
int32_t nCaret = m_pOwner->m_pEdtEngine->GetCaretPos();
switch (c) {
case FWL_VKEY_Back: {
m_pOwner->m_pEdtEngine->Delete(nCaret, TRUE);
break;
}
case 0x0A: {
break;
}
case FWL_VKEY_Escape: {
break;
}
case FWL_VKEY_Tab: {
iError = m_pOwner->m_pEdtEngine->Insert(nCaret, L"\t", 1);
break;
}
case FWL_VKEY_Return: {
if (m_pOwner->m_pProperties->m_dwStyleExes &
FWL_STYLEEXT_EDT_WantReturn) {
iError = m_pOwner->m_pEdtEngine->Insert(nCaret, L"\n", 1);
}
break;
}
default: {
if (!m_pOwner->m_pWidgetMgr->IsFormDisabled()) {
if (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_Number) {
if (((pMsg->m_dwKeyCode < FWL_VKEY_0) &&
(pMsg->m_dwKeyCode != 0x2E && pMsg->m_dwKeyCode != 0x2D)) ||
pMsg->m_dwKeyCode > FWL_VKEY_9) {
break;
}
if (!m_pOwner->ValidateNumberChar(c)) {
break;
}
}
}
#if (_FX_OS_ == _FX_MACOSX_)
if (pMsg->m_dwFlags & FWL_KEYFLAG_Command)
#else
if (pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl)
#endif
{
break;
}
iError = m_pOwner->m_pEdtEngine->Insert(nCaret, &c, 1);
break;
}
}
if (iError < 0) {
m_pOwner->ProcessInsertError(iError);
}
}
FX_BOOL CFWL_EditImpDelegate::OnScroll(IFWL_ScrollBar* pScrollBar,
uint32_t dwCode,
FX_FLOAT fPos) {
CFX_SizeF fs;
pScrollBar->GetRange(fs.x, fs.y);
FX_FLOAT iCurPos = pScrollBar->GetPos();
FX_FLOAT fStep = pScrollBar->GetStepSize();
switch (dwCode) {
case FWL_SCBCODE_Min: {
fPos = fs.x;
break;
}
case FWL_SCBCODE_Max: {
fPos = fs.y;
break;
}
case FWL_SCBCODE_StepBackward: {
fPos -= fStep;
if (fPos < fs.x + fStep / 2) {
fPos = fs.x;
}
break;
}
case FWL_SCBCODE_StepForward: {
fPos += fStep;
if (fPos > fs.y - fStep / 2) {
fPos = fs.y;
}
break;
}
case FWL_SCBCODE_PageBackward: {
fPos -= pScrollBar->GetPageSize();
if (fPos < fs.x) {
fPos = fs.x;
}
break;
}
case FWL_SCBCODE_PageForward: {
fPos += pScrollBar->GetPageSize();
if (fPos > fs.y) {
fPos = fs.y;
}
break;
}
case FWL_SCBCODE_Pos:
case FWL_SCBCODE_TrackPos: {
break;
}
case FWL_SCBCODE_EndScroll: {
return FALSE;
}
default: {}
}
if (iCurPos != fPos) {
pScrollBar->SetPos(fPos);
pScrollBar->SetTrackPos(fPos);
m_pOwner->UpdateOffset(pScrollBar, fPos - iCurPos);
if (m_pOwner->m_pEdtEngine) {
m_pOwner->UpdateCaret();
}
CFX_RectF rect;
m_pOwner->GetWidgetRect(rect);
CFX_RectF rtInvalidate;
rtInvalidate.Set(0, 0, rect.width + 2, rect.height + 2);
m_pOwner->Repaint(&rtInvalidate);
}
return TRUE;
}
void CFWL_EditImpDelegate::DoCursor(CFWL_MsgMouse* pMsg) {}