diff options
Diffstat (limited to 'xfa/fwl/core/ifwl_edit.cpp')
| -rw-r--r-- | xfa/fwl/core/ifwl_edit.cpp | 1661 |
1 files changed, 0 insertions, 1661 deletions
diff --git a/xfa/fwl/core/ifwl_edit.cpp b/xfa/fwl/core/ifwl_edit.cpp deleted file mode 100644 index af29745b5c..0000000000 --- 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(¶m); - - 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(¶m); -} - -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(¶m); - } - - 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(¶m); - } - 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; -} |