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Unified Diff: xfa/fwl/core/ifwl_edit.cpp

Issue 2524173002: Merge IFWL and CFWL classes. (Closed)
Patch Set: make chrome build happy Created 4 years, 1 month ago
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Index: xfa/fwl/core/ifwl_edit.cpp
diff --git a/xfa/fwl/core/ifwl_edit.cpp b/xfa/fwl/core/ifwl_edit.cpp
deleted file mode 100644
index af29745b5c74fefe3ee56b2b55edbb045b3a29de..0000000000000000000000000000000000000000
--- a/xfa/fwl/core/ifwl_edit.cpp
+++ /dev/null
@@ -1,1661 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "xfa/fwl/core/ifwl_edit.h"
-
-#include <algorithm>
-#include <memory>
-#include <utility>
-#include <vector>
-
-#include "third_party/base/ptr_util.h"
-#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/cfgas_gefont.h"
-#include "xfa/fwl/core/cfwl_app.h"
-#include "xfa/fwl/core/cfwl_caret.h"
-#include "xfa/fwl/core/cfwl_evtcheckword.h"
-#include "xfa/fwl/core/cfwl_evttextchanged.h"
-#include "xfa/fwl/core/cfwl_evttextfull.h"
-#include "xfa/fwl/core/cfwl_evtvalidate.h"
-#include "xfa/fwl/core/cfwl_msgkey.h"
-#include "xfa/fwl/core/cfwl_msgmouse.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_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_App* app,
- std::unique_ptr<CFWL_WidgetProperties> properties,
- IFWL_Widget* pOuter)
- : IFWL_Widget(app, std::move(properties), pOuter),
- m_fVAlignOffset(0.0f),
- m_fScrollOffsetX(0.0f),
- m_fScrollOffsetY(0.0f),
- m_bLButtonDown(false),
- m_nSelStart(0),
- m_nLimit(-1),
- m_fFontSize(0),
- m_bSetRange(false),
- m_iMax(0xFFFFFFF),
- m_iCurRecord(-1),
- m_iMaxRecord(128) {
- m_rtClient.Reset();
- m_rtEngine.Reset();
- m_rtStatic.Reset();
-
- InitCaret();
-}
-
-IFWL_Edit::~IFWL_Edit() {
- if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)
- ShowCaret(false);
- ClearRecord();
-}
-
-FWL_Type IFWL_Edit::GetClassID() const {
- return FWL_Type::Edit;
-}
-
-void IFWL_Edit::GetWidgetRect(CFX_RectF& rect, bool bAutoSize) {
- if (!bAutoSize) {
- 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;
- }
-
- rect.Set(0, 0, 0, 0);
-
- int32_t iTextLen = m_EdtEngine.GetTextLength();
- if (iTextLen > 0) {
- CFX_WideString wsText;
- m_EdtEngine.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);
-}
-
-void IFWL_Edit::SetStates(uint32_t dwStates, bool bSet) {
- if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Invisible) ||
- (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
- ShowCaret(false);
- }
- IFWL_Widget::SetStates(dwStates, bSet);
-}
-
-void IFWL_Edit::Update() {
- if (IsLocked())
- return;
- if (!m_pProperties->m_pThemeProvider)
- m_pProperties->m_pThemeProvider = GetAvailableTheme();
-
- Layout();
- if (m_rtClient.IsEmpty())
- return;
-
- UpdateEditEngine();
- UpdateVAlignment();
- UpdateScroll();
- InitCaret();
-}
-
-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_EdtEngine.GetPage(0);
- CFX_RectFArray rectArray;
- CFX_RectF rectText;
- const FDE_TXTEDTPARAMS* txtEdtParams = m_EdtEngine.GetEditParams();
- FX_FLOAT fAsent = static_cast<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);
- }
-}
-
-void IFWL_Edit::DrawSpellCheck(CFX_Graphics* pGraphics,
- const CFX_Matrix* pMatrix) {
- pGraphics->SaveGraphState();
- if (pMatrix)
- pGraphics->ConcatMatrix(const_cast<CFX_Matrix*>(pMatrix));
-
- CFX_Color crLine(0xFFFF0000);
- CFWL_EvtCheckWord 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];
- continue;
- }
- 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();
-}
-
-void IFWL_Edit::DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) {
- if (!pGraphics)
- return;
- if (!m_pProperties->m_pThemeProvider)
- return;
- if (m_rtClient.IsEmpty())
- return;
-
- IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
- if (!m_pWidgetMgr->IsFormDisabled())
- DrawTextBk(pGraphics, pTheme, pMatrix);
- 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);
-}
-
-void IFWL_Edit::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) {
- if (!pThemeProvider)
- return;
- 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;
-}
-
-void IFWL_Edit::SetText(const CFX_WideString& wsText) {
- m_EdtEngine.SetText(wsText);
-}
-
-int32_t IFWL_Edit::GetTextLength() const {
- return m_EdtEngine.GetTextLength();
-}
-
-void IFWL_Edit::GetText(CFX_WideString& wsText,
- int32_t nStart,
- int32_t nCount) const {
- m_EdtEngine.GetText(wsText, nStart, nCount);
-}
-
-void IFWL_Edit::ClearText() {
- m_EdtEngine.ClearText();
-}
-
-void IFWL_Edit::AddSelRange(int32_t nStart, int32_t nCount) {
- m_EdtEngine.AddSelRange(nStart, nCount);
-}
-
-int32_t IFWL_Edit::CountSelRanges() const {
- return m_EdtEngine.CountSelRanges();
-}
-
-int32_t IFWL_Edit::GetSelRange(int32_t nIndex, int32_t& nStart) const {
- return m_EdtEngine.GetSelRange(nIndex, nStart);
-}
-
-void IFWL_Edit::ClearSelections() {
- m_EdtEngine.ClearSelection();
-}
-
-int32_t IFWL_Edit::GetLimit() const {
- return m_nLimit;
-}
-
-void IFWL_Edit::SetLimit(int32_t nLimit) {
- m_nLimit = nLimit;
- m_EdtEngine.SetLimit(nLimit);
-}
-
-void IFWL_Edit::SetAliasChar(FX_WCHAR wAlias) {
- m_EdtEngine.SetAliasChar(wAlias);
-}
-
-bool IFWL_Edit::Copy(CFX_WideString& wsCopy) {
- int32_t nCount = m_EdtEngine.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_EdtEngine.GetSelRange(i, nStart);
- m_EdtEngine.GetText(wsTemp, nStart, nLength);
- wsCopy += wsTemp;
- wsTemp.clear();
- }
- return true;
-}
-
-bool IFWL_Edit::Cut(CFX_WideString& wsCut) {
- int32_t nCount = m_EdtEngine.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_EdtEngine.GetSelRange(i, nStart);
- m_EdtEngine.GetText(wsTemp, nStart, nLength);
- wsCut += wsTemp;
- wsTemp.clear();
- }
- m_EdtEngine.Delete(0);
- return true;
-}
-
-bool IFWL_Edit::Paste(const CFX_WideString& wsPaste) {
- int32_t nCaret = m_EdtEngine.GetCaretPos();
- int32_t iError =
- m_EdtEngine.Insert(nCaret, wsPaste.c_str(), wsPaste.GetLength());
- if (iError < 0) {
- ProcessInsertError(iError);
- return false;
- }
- return true;
-}
-
-bool IFWL_Edit::Redo(const IFDE_TxtEdtDoRecord* pRecord) {
- if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_NoRedoUndo)
- return true;
- return m_EdtEngine.Redo(pRecord);
-}
-
-bool IFWL_Edit::Undo(const IFDE_TxtEdtDoRecord* pRecord) {
- if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_NoRedoUndo)
- return true;
- return m_EdtEngine.Undo(pRecord);
-}
-
-bool IFWL_Edit::Undo() {
- if (!CanUndo())
- return false;
- return Undo(m_DoRecords[m_iCurRecord--].get());
-}
-
-bool IFWL_Edit::Redo() {
- if (!CanRedo())
- return false;
- return Redo(m_DoRecords[++m_iCurRecord].get());
-}
-
-bool IFWL_Edit::CanUndo() {
- return m_iCurRecord >= 0;
-}
-
-bool IFWL_Edit::CanRedo() {
- return m_iCurRecord < pdfium::CollectionSize<int32_t>(m_DoRecords) - 1;
-}
-
-void IFWL_Edit::SetOuter(IFWL_Widget* pOuter) {
- m_pOuter = pOuter;
-}
-
-void IFWL_Edit::On_CaretChanged(CFDE_TxtEdtEngine* pEdit,
- int32_t nPage,
- bool bVisible) {
- if (m_rtEngine.IsEmpty())
- return;
- if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0)
- return;
-
- bool bRepaintContent = UpdateOffset();
- UpdateCaret();
- CFX_RectF rtInvalid;
- rtInvalid.Set(0, 0, 0, 0);
- bool bRepaintScroll = false;
- if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine) {
- CFWL_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) {
- if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VAlignMask)
- UpdateVAlignment();
-
- CFX_RectF rtTemp;
- GetClientRect(rtTemp);
-
- CFWL_EvtTextChanged 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);
-}
-
-bool IFWL_Edit::On_PageLoad(CFDE_TxtEdtEngine* pEdit,
- int32_t nPageIndex,
- int32_t nPurpose) {
- IFDE_TxtEdtPage* pPage = m_EdtEngine.GetPage(nPageIndex);
- if (!pPage)
- return false;
-
- pPage->LoadPage(nullptr, nullptr);
- return true;
-}
-
-bool IFWL_Edit::On_PageUnload(CFDE_TxtEdtEngine* pEdit,
- int32_t nPageIndex,
- int32_t nPurpose) {
- IFDE_TxtEdtPage* pPage = m_EdtEngine.GetPage(nPageIndex);
- if (!pPage)
- return false;
-
- pPage->UnloadPage(nullptr);
- return true;
-}
-
-void IFWL_Edit::On_AddDoRecord(CFDE_TxtEdtEngine* pEdit,
- IFDE_TxtEdtDoRecord* pRecord) {
- AddDoRecord(pRecord);
-}
-
-bool IFWL_Edit::On_Validate(CFDE_TxtEdtEngine* pEdit, CFX_WideString& wsText) {
- IFWL_Widget* pDst = GetOuter();
- if (!pDst)
- pDst = this;
-
- CFWL_EvtValidate event;
- event.pDstWidget = pDst;
- event.m_pSrcTarget = this;
- event.wsInsert = wsText;
- event.bValidate = true;
- DispatchEvent(&event);
- return event.bValidate;
-}
-
-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) {
- IFDE_TxtEdtPage* pPage = m_EdtEngine.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);
- }
-
- 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_EdtEngine.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_EdtEngine.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_EdtEngine.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:
- break;
- }
- 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;
- break;
- }
- }
- 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_EdtEngine.SetEditParams(params);
-}
-
-void IFWL_Edit::UpdateEditLayout() {
- if (m_EdtEngine.GetTextLength() <= 0)
- m_EdtEngine.SetTextByStream(nullptr);
-
- IFDE_TxtEdtPage* pPage = m_EdtEngine.GetPage(0);
- if (pPage)
- pPage->UnloadPage(nullptr);
-
- m_EdtEngine.StartLayout();
- m_EdtEngine.DoLayout(nullptr);
- m_EdtEngine.EndLayout();
- pPage = m_EdtEngine.GetPage(0);
- if (pPage)
- pPage->LoadPage(nullptr, nullptr);
-}
-
-bool IFWL_Edit::UpdateOffset() {
- CFX_RectF rtCaret;
- m_EdtEngine.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_EdtEngine.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();
- m_fScrollOffsetX += offsetX;
- m_fScrollOffsetY += offsetY;
- if (m_fFontSize > m_rtEngine.height)
- m_fScrollOffsetY = 0;
- return true;
-}
-
-bool IFWL_Edit::UpdateOffset(CFWL_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_EdtEngine.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 = std::max(fOffsetY, 0.0f);
-}
-
-void IFWL_Edit::UpdateCaret() {
- CFX_RectF rtFDE;
- m_EdtEngine.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 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;
- }
-
- bool bShow =
- m_pProperties->m_dwStates & FWL_WGTSTATE_Focused && !rtCaret.IsEmpty();
- ShowCaret(bShow, &rtCaret);
-}
-
-CFWL_ScrollBar* IFWL_Edit::UpdateScroll() {
- bool bShowHorz =
- m_pHorzScrollBar &&
- ((m_pHorzScrollBar->GetStates() & FWL_WGTSTATE_Invisible) == 0);
- bool bShowVert =
- m_pVertScrollBar &&
- ((m_pVertScrollBar->GetStates() & FWL_WGTSTATE_Invisible) == 0);
- if (!bShowHorz && !bShowVert)
- return nullptr;
-
- IFDE_TxtEdtPage* pPage = m_EdtEngine.GetPage(0);
- if (!pPage)
- return nullptr;
-
- const CFX_RectF& rtFDE = pPage->GetContentsBox();
- CFWL_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 = std::min(std::max(m_fScrollOffsetX, 0.0f), 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_EdtEngine.GetEditParams()->fLineSpace;
- FX_FLOAT fRange = std::max(rtFDE.height - m_rtEngine.height, fStep);
-
- m_pVertScrollBar->SetRange(0.0f, fRange);
- FX_FLOAT fPos = std::min(std::max(m_fScrollOffsetY, 0.0f), 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;
-}
-
-bool IFWL_Edit::IsShowScrollBar(bool bVert) {
- 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);
-}
-
-bool IFWL_Edit::IsContentHeightOverflow() {
- IFDE_TxtEdtPage* pPage = m_EdtEngine.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);
- }
- }
-
- bool bShowVertScrollbar = IsShowScrollBar(true);
- 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;
- bool bShowVertScrollbar = IsShowScrollBar(true);
- 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(bool bVert) {
- if ((bVert && m_pVertScrollBar) || (!bVert && m_pHorzScrollBar))
- return;
-
- auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>();
- 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;
-
- CFWL_ScrollBar* sb = new CFWL_ScrollBar(m_pOwnerApp, std::move(prop), this);
- if (bVert)
- m_pVertScrollBar.reset(sb);
- else
- m_pHorzScrollBar.reset(sb);
-}
-
-bool FWL_ShowCaret(IFWL_Widget* pWidget,
- 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(bool bVisible, CFX_RectF* pRect) {
- if (m_pCaret) {
- m_pCaret->ShowCaret(bVisible);
- if (bVisible && !pRect->IsEmpty())
- m_pCaret->SetWidgetRect(*pRect);
- Repaint(&m_rtEngine);
- return;
- }
-
- 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);
-}
-
-bool IFWL_Edit::ValidateNumberChar(FX_WCHAR cNum) {
- if (!m_bSetRange)
- return true;
-
- CFX_WideString wsOld, wsText;
- m_EdtEngine.GetText(wsText, 0);
- if (wsText.IsEmpty()) {
- if (cNum == L'0')
- return false;
- return true;
- }
-
- int32_t caretPos = m_EdtEngine.GetCaretPos();
- if (CountSelRanges() == 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;
- return false;
- }
-
- 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)) {
- m_pCaret.reset(new CFWL_Caret(
- m_pOwnerApp, pdfium::MakeUnique<CFWL_WidgetProperties>(), this));
- 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) {
- if (iError != -2)
- return;
-
- CFWL_EvtTextFull textFullEvent;
- textFullEvent.m_pSrcTarget = this;
- DispatchEvent(&textFullEvent);
-}
-
-void IFWL_Edit::OnProcessMessage(CFWL_Message* pMessage) {
- if (!pMessage)
- return;
-
- CFWL_MessageType dwMsgCode = pMessage->GetClassID();
- switch (dwMsgCode) {
- 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;
- }
- IFWL_Widget::OnProcessMessage(pMessage);
-}
-
-void IFWL_Edit::OnProcessEvent(CFWL_Event* pEvent) {
- if (!pEvent)
- return;
- if (pEvent->GetClassID() != CFWL_EventType::Scroll)
- return;
-
- IFWL_Widget* pSrcTarget = pEvent->m_pSrcTarget;
- if ((pSrcTarget == m_pVertScrollBar.get() && m_pVertScrollBar) ||
- (pSrcTarget == m_pHorzScrollBar.get() && m_pHorzScrollBar)) {
- CFWL_EvtScroll* pScrollEvent = static_cast<CFWL_EvtScroll*>(pEvent);
- OnScroll(static_cast<CFWL_ScrollBar*>(pSrcTarget),
- pScrollEvent->m_iScrollCode, pScrollEvent->m_fPos);
- }
-}
-
-void IFWL_Edit::OnDrawWidget(CFX_Graphics* pGraphics,
- const CFX_Matrix* pMatrix) {
- DrawWidget(pGraphics, pMatrix);
-}
-
-void IFWL_Edit::DoButtonDown(CFWL_MsgMouse* pMsg) {
- if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0)
- SetFocus(true);
-
- IFDE_TxtEdtPage* pPage = m_EdtEngine.GetPage(0);
- if (!pPage)
- return;
-
- CFX_PointF pt(pMsg->m_fx, pMsg->m_fy);
- DeviceToEngine(pt);
- bool bBefore = true;
- int32_t nIndex = pPage->GetCharIndex(pt, bBefore);
- if (nIndex < 0)
- nIndex = 0;
-
- m_EdtEngine.SetCaretPos(nIndex, bBefore);
-}
-
-void IFWL_Edit::OnFocusChanged(CFWL_Message* pMsg, bool bSet) {
- uint32_t dwStyleEx = GetStylesEx();
- bool bRepaint = !!(dwStyleEx & FWL_STYLEEXT_EDT_InnerCaret);
- if (bSet) {
- m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
-
- UpdateVAlignment();
- UpdateOffset();
- UpdateCaret();
- } else if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) {
- m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
- ShowCaret(false);
- if ((dwStyleEx & FWL_STYLEEXT_EDT_NoHideSel) == 0) {
- int32_t nSel = CountSelRanges();
- if (nSel > 0) {
- ClearSelections();
- bRepaint = true;
- }
- m_EdtEngine.SetCaretPos(0, true);
- UpdateOffset();
- }
- ClearRecord();
- }
-
- LayoutScrollBar();
- if (!bRepaint)
- return;
-
- CFX_RectF rtInvalidate;
- rtInvalidate.Set(0, 0, m_pProperties->m_rtWidget.width,
- m_pProperties->m_rtWidget.height);
- Repaint(&rtInvalidate);
-}
-
-void IFWL_Edit::OnLButtonDown(CFWL_MsgMouse* pMsg) {
- if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
- return;
-
- m_bLButtonDown = true;
- SetGrab(true);
- DoButtonDown(pMsg);
- int32_t nIndex = m_EdtEngine.GetCaretPos();
- bool bRepaint = false;
- if (m_EdtEngine.CountSelRanges() > 0) {
- m_EdtEngine.ClearSelection();
- bRepaint = true;
- }
-
- if ((pMsg->m_dwFlags & FWL_KEYFLAG_Shift) && m_nSelStart != nIndex) {
- int32_t iStart = std::min(m_nSelStart, nIndex);
- int32_t iEnd = std::max(m_nSelStart, nIndex);
- m_EdtEngine.AddSelRange(iStart, iEnd - iStart);
- bRepaint = true;
- } else {
- m_nSelStart = nIndex;
- }
- if (bRepaint)
- Repaint(&m_rtEngine);
-}
-
-void IFWL_Edit::OnLButtonUp(CFWL_MsgMouse* pMsg) {
- m_bLButtonDown = false;
- SetGrab(false);
-}
-
-void IFWL_Edit::OnButtonDblClk(CFWL_MsgMouse* pMsg) {
- IFDE_TxtEdtPage* pPage = m_EdtEngine.GetPage(0);
- if (!pPage)
- return;
-
- CFX_PointF pt(pMsg->m_fx, pMsg->m_fy);
- DeviceToEngine(pt);
- int32_t nCount = 0;
- int32_t nIndex = pPage->SelectWord(pt, nCount);
- if (nIndex < 0)
- return;
-
- m_EdtEngine.AddSelRange(nIndex, nCount);
- m_EdtEngine.SetCaretPos(nIndex + nCount - 1, false);
- Repaint(&m_rtEngine);
-}
-
-void IFWL_Edit::OnMouseMove(CFWL_MsgMouse* pMsg) {
- if (m_nSelStart == -1 || !m_bLButtonDown)
- return;
-
- IFDE_TxtEdtPage* pPage = m_EdtEngine.GetPage(0);
- if (!pPage)
- return;
-
- CFX_PointF pt(pMsg->m_fx, pMsg->m_fy);
- DeviceToEngine(pt);
- bool bBefore = true;
- int32_t nIndex = pPage->GetCharIndex(pt, bBefore);
- m_EdtEngine.SetCaretPos(nIndex, bBefore);
- nIndex = m_EdtEngine.GetCaretPos();
- m_EdtEngine.ClearSelection();
-
- if (nIndex == m_nSelStart)
- return;
-
- int32_t nLen = m_EdtEngine.GetTextLength();
- if (m_nSelStart >= nLen)
- m_nSelStart = nLen;
-
- m_EdtEngine.AddSelRange(std::min(m_nSelStart, nIndex),
- FXSYS_abs(nIndex - m_nSelStart));
-}
-
-void IFWL_Edit::OnKeyDown(CFWL_MsgKey* pMsg) {
- FDE_TXTEDTMOVECARET MoveCaret = MC_MoveNone;
- bool bShift = !!(pMsg->m_dwFlags & FWL_KEYFLAG_Shift);
- 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: {
- MoveCaret = bCtrl ? MC_Home : MC_LineStart;
- break;
- }
- case FWL_VKEY_End: {
- MoveCaret = bCtrl ? MC_End : MC_LineEnd;
- break;
- }
- case FWL_VKEY_Insert:
- break;
- case FWL_VKEY_Delete: {
- if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly) ||
- (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
- break;
- }
- int32_t nCaret = m_EdtEngine.GetCaretPos();
-#if (_FX_OS_ == _FX_MACOSX_)
- m_EdtEngine.Delete(nCaret, true);
-#else
- m_EdtEngine.Delete(nCaret);
-#endif
- break;
- }
- case FWL_VKEY_F2:
- break;
- case FWL_VKEY_Tab: {
- DispatchKeyEvent(pMsg);
- break;
- }
- default:
- break;
- }
- if (MoveCaret != MC_MoveNone)
- m_EdtEngine.MoveCaretPos(MoveCaret, bShift, bCtrl);
-}
-
-void IFWL_Edit::OnChar(CFWL_MsgKey* pMsg) {
- if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly) ||
- (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
- return;
- }
-
- int32_t iError = 0;
- FX_WCHAR c = static_cast<FX_WCHAR>(pMsg->m_dwKeyCode);
- int32_t nCaret = m_EdtEngine.GetCaretPos();
- switch (c) {
- case FWL_VKEY_Back:
- m_EdtEngine.Delete(nCaret, true);
- break;
- case FWL_VKEY_NewLine:
- case FWL_VKEY_Escape:
- break;
- case FWL_VKEY_Tab: {
- iError = m_EdtEngine.Insert(nCaret, L"\t", 1);
- break;
- }
- case FWL_VKEY_Return: {
- if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_WantReturn) {
- iError = m_EdtEngine.Insert(nCaret, L"\n", 1);
- }
- break;
- }
- default: {
- if (!m_pWidgetMgr->IsFormDisabled()) {
- if (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 (!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_EdtEngine.Insert(nCaret, &c, 1);
- break;
- }
- }
- if (iError < 0)
- ProcessInsertError(iError);
-}
-
-bool IFWL_Edit::OnScroll(CFWL_ScrollBar* pScrollBar,
- FWL_SCBCODE 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:
- case FWL_SCBCODE::None:
- break;
- case FWL_SCBCODE::EndScroll:
- return false;
- }
- if (iCurPos == fPos)
- return true;
-
- pScrollBar->SetPos(fPos);
- pScrollBar->SetTrackPos(fPos);
- UpdateOffset(pScrollBar, fPos - iCurPos);
- UpdateCaret();
-
- CFX_RectF rect;
- GetWidgetRect(rect);
- CFX_RectF rtInvalidate;
- rtInvalidate.Set(0, 0, rect.width + 2, rect.height + 2);
- Repaint(&rtInvalidate);
- return true;
-}
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