diff options
Diffstat (limited to 'xfa/fxfa/cxfa_fftextedit.cpp')
| -rw-r--r-- | xfa/fxfa/cxfa_fftextedit.cpp | 359 |
1 files changed, 359 insertions, 0 deletions
diff --git a/xfa/fxfa/cxfa_fftextedit.cpp b/xfa/fxfa/cxfa_fftextedit.cpp new file mode 100644 index 0000000000..9d6cffb2d7 --- /dev/null +++ b/xfa/fxfa/cxfa_fftextedit.cpp @@ -0,0 +1,359 @@ +// Copyright 2017 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/fxfa/cxfa_fftextedit.h" + +#include <utility> + +#include "xfa/fwl/cfwl_datetimepicker.h" +#include "xfa/fwl/cfwl_edit.h" +#include "xfa/fwl/cfwl_eventcheckword.h" +#include "xfa/fwl/cfwl_eventtarget.h" +#include "xfa/fwl/cfwl_eventtextchanged.h" +#include "xfa/fwl/cfwl_messagekillfocus.h" +#include "xfa/fwl/cfwl_messagesetfocus.h" +#include "xfa/fwl/cfwl_notedriver.h" +#include "xfa/fxfa/cxfa_eventparam.h" +#include "xfa/fxfa/cxfa_ffapp.h" +#include "xfa/fxfa/parser/cxfa_node.h" + +CXFA_FFTextEdit::CXFA_FFTextEdit(CXFA_WidgetAcc* pDataAcc) + : CXFA_FFField(pDataAcc), m_pOldDelegate(nullptr) {} + +CXFA_FFTextEdit::~CXFA_FFTextEdit() { + if (m_pNormalWidget) { + CFWL_NoteDriver* pNoteDriver = + m_pNormalWidget->GetOwnerApp()->GetNoteDriver(); + pNoteDriver->UnregisterEventTarget(m_pNormalWidget.get()); + } +} + +bool CXFA_FFTextEdit::LoadWidget() { + auto pNewWidget = pdfium::MakeUnique<CFWL_Edit>( + GetFWLApp(), pdfium::MakeUnique<CFWL_WidgetProperties>(), nullptr); + CFWL_Edit* pFWLEdit = pNewWidget.get(); + m_pNormalWidget = std::move(pNewWidget); + m_pNormalWidget->SetLayoutItem(this); + + CFWL_NoteDriver* pNoteDriver = + m_pNormalWidget->GetOwnerApp()->GetNoteDriver(); + pNoteDriver->RegisterEventTarget(m_pNormalWidget.get(), + m_pNormalWidget.get()); + m_pOldDelegate = m_pNormalWidget->GetDelegate(); + m_pNormalWidget->SetDelegate(this); + m_pNormalWidget->LockUpdate(); + UpdateWidgetProperty(); + + CFX_WideString wsText; + m_pDataAcc->GetValue(wsText, XFA_VALUEPICTURE_Display); + pFWLEdit->SetText(wsText); + m_pNormalWidget->UnlockUpdate(); + return CXFA_FFField::LoadWidget(); +} + +void CXFA_FFTextEdit::UpdateWidgetProperty() { + CFWL_Edit* pWidget = static_cast<CFWL_Edit*>(m_pNormalWidget.get()); + if (!pWidget) + return; + + uint32_t dwStyle = 0; + uint32_t dwExtendedStyle = FWL_STYLEEXT_EDT_ShowScrollbarFocus | + FWL_STYLEEXT_EDT_OuterScrollbar | + FWL_STYLEEXT_EDT_LastLineHeight; + dwExtendedStyle |= UpdateUIProperty(); + if (m_pDataAcc->IsMultiLine()) { + dwExtendedStyle |= FWL_STYLEEXT_EDT_MultiLine | FWL_STYLEEXT_EDT_WantReturn; + if (m_pDataAcc->GetVerticalScrollPolicy() != XFA_ATTRIBUTEENUM_Off) { + dwStyle |= FWL_WGTSTYLE_VScroll; + dwExtendedStyle |= FWL_STYLEEXT_EDT_AutoVScroll; + } + } else if (m_pDataAcc->GetHorizontalScrollPolicy() != XFA_ATTRIBUTEENUM_Off) { + dwExtendedStyle |= FWL_STYLEEXT_EDT_AutoHScroll; + } + if (m_pDataAcc->GetAccess() != XFA_ATTRIBUTEENUM_Open || + !m_pDataAcc->GetDoc()->GetXFADoc()->IsInteractive()) { + dwExtendedStyle |= FWL_STYLEEXT_EDT_ReadOnly; + dwExtendedStyle |= FWL_STYLEEXT_EDT_MultiLine; + } + + XFA_Element eType = XFA_Element::Unknown; + int32_t iMaxChars = m_pDataAcc->GetMaxChars(eType); + if (eType == XFA_Element::ExData) + iMaxChars = 0; + + int32_t iNumCells = m_pDataAcc->GetNumberOfCells(); + if (iNumCells == 0) { + dwExtendedStyle |= FWL_STYLEEXT_EDT_CombText; + pWidget->SetLimit(iMaxChars > 0 ? iMaxChars : 1); + } else if (iNumCells > 0) { + dwExtendedStyle |= FWL_STYLEEXT_EDT_CombText; + pWidget->SetLimit(iNumCells); + } else { + pWidget->SetLimit(iMaxChars); + } + dwExtendedStyle |= GetAlignment(); + m_pNormalWidget->ModifyStyles(dwStyle, 0xFFFFFFFF); + m_pNormalWidget->ModifyStylesEx(dwExtendedStyle, 0xFFFFFFFF); +} + +bool CXFA_FFTextEdit::OnLButtonDown(uint32_t dwFlags, const CFX_PointF& point) { + if (!PtInActiveRect(point)) + return false; + if (!IsFocused()) { + m_dwStatus |= XFA_WidgetStatus_Focused; + UpdateFWLData(); + AddInvalidateRect(); + } + + SetButtonDown(true); + CFWL_MessageMouse ms(nullptr, m_pNormalWidget.get()); + ms.m_dwCmd = FWL_MouseCommand::LeftButtonDown; + ms.m_dwFlags = dwFlags; + ms.m_pos = FWLToClient(point); + TranslateFWLMessage(&ms); + return true; +} + +bool CXFA_FFTextEdit::OnRButtonDown(uint32_t dwFlags, const CFX_PointF& point) { + if (m_pDataAcc->GetAccess() != XFA_ATTRIBUTEENUM_Open) + return false; + if (!PtInActiveRect(point)) + return false; + if (!IsFocused()) { + m_dwStatus |= XFA_WidgetStatus_Focused; + UpdateFWLData(); + AddInvalidateRect(); + } + + SetButtonDown(true); + CFWL_MessageMouse ms(nullptr, nullptr); + ms.m_dwCmd = FWL_MouseCommand::RightButtonDown; + ms.m_dwFlags = dwFlags; + ms.m_pos = FWLToClient(point); + TranslateFWLMessage(&ms); + return true; +} + +bool CXFA_FFTextEdit::OnRButtonUp(uint32_t dwFlags, const CFX_PointF& point) { + if (!CXFA_FFField::OnRButtonUp(dwFlags, point)) + return false; + + GetDoc()->GetDocEnvironment()->PopupMenu(this, point); + return true; +} + +bool CXFA_FFTextEdit::OnSetFocus(CXFA_FFWidget* pOldWidget) { + m_dwStatus &= ~XFA_WidgetStatus_TextEditValueChanged; + if (!IsFocused()) { + m_dwStatus |= XFA_WidgetStatus_Focused; + UpdateFWLData(); + AddInvalidateRect(); + } + CXFA_FFWidget::OnSetFocus(pOldWidget); + CFWL_MessageSetFocus ms(nullptr, m_pNormalWidget.get()); + TranslateFWLMessage(&ms); + return true; +} + +bool CXFA_FFTextEdit::OnKillFocus(CXFA_FFWidget* pNewWidget) { + CFWL_MessageKillFocus ms(nullptr, m_pNormalWidget.get()); + TranslateFWLMessage(&ms); + m_dwStatus &= ~XFA_WidgetStatus_Focused; + + SetEditScrollOffset(); + ProcessCommittedData(); + UpdateFWLData(); + AddInvalidateRect(); + CXFA_FFWidget::OnKillFocus(pNewWidget); + + m_dwStatus &= ~XFA_WidgetStatus_TextEditValueChanged; + return true; +} + +bool CXFA_FFTextEdit::CommitData() { + CFX_WideString wsText = + static_cast<CFWL_Edit*>(m_pNormalWidget.get())->GetText(); + if (m_pDataAcc->SetValue(wsText, XFA_VALUEPICTURE_Edit)) { + m_pDataAcc->UpdateUIDisplay(this); + return true; + } + ValidateNumberField(wsText); + return false; +} + +void CXFA_FFTextEdit::ValidateNumberField(const CFX_WideString& wsText) { + CXFA_WidgetAcc* pAcc = GetDataAcc(); + if (!pAcc || pAcc->GetUIType() != XFA_Element::NumericEdit) + return; + + IXFA_AppProvider* pAppProvider = GetApp()->GetAppProvider(); + if (!pAppProvider) + return; + + CFX_WideString wsSomField; + pAcc->GetNode()->GetSOMExpression(wsSomField); + + CFX_WideString wsMessage; + wsMessage.Format(L"%s can not contain %s", wsText.c_str(), + wsSomField.c_str()); + pAppProvider->MsgBox(wsMessage, pAppProvider->GetAppTitle(), XFA_MBICON_Error, + XFA_MB_OK); +} + +bool CXFA_FFTextEdit::IsDataChanged() { + return (m_dwStatus & XFA_WidgetStatus_TextEditValueChanged) != 0; +} + +uint32_t CXFA_FFTextEdit::GetAlignment() { + CXFA_Para para = m_pDataAcc->GetPara(); + if (!para) + return 0; + + uint32_t dwExtendedStyle = 0; + switch (para.GetHorizontalAlign()) { + case XFA_ATTRIBUTEENUM_Center: + dwExtendedStyle |= FWL_STYLEEXT_EDT_HCenter; + break; + case XFA_ATTRIBUTEENUM_Justify: + dwExtendedStyle |= FWL_STYLEEXT_EDT_Justified; + break; + case XFA_ATTRIBUTEENUM_JustifyAll: + case XFA_ATTRIBUTEENUM_Radix: + break; + case XFA_ATTRIBUTEENUM_Right: + dwExtendedStyle |= FWL_STYLEEXT_EDT_HFar; + break; + default: + dwExtendedStyle |= FWL_STYLEEXT_EDT_HNear; + break; + } + + switch (para.GetVerticalAlign()) { + case XFA_ATTRIBUTEENUM_Middle: + dwExtendedStyle |= FWL_STYLEEXT_EDT_VCenter; + break; + case XFA_ATTRIBUTEENUM_Bottom: + dwExtendedStyle |= FWL_STYLEEXT_EDT_VFar; + break; + default: + dwExtendedStyle |= FWL_STYLEEXT_EDT_VNear; + break; + } + return dwExtendedStyle; +} + +bool CXFA_FFTextEdit::UpdateFWLData() { + if (!m_pNormalWidget) + return false; + + CFWL_Edit* pEdit = static_cast<CFWL_Edit*>(m_pNormalWidget.get()); + XFA_VALUEPICTURE eType = XFA_VALUEPICTURE_Display; + if (IsFocused()) + eType = XFA_VALUEPICTURE_Edit; + + bool bUpdate = false; + if (m_pDataAcc->GetUIType() == XFA_Element::TextEdit && + m_pDataAcc->GetNumberOfCells() < 0) { + XFA_Element elementType = XFA_Element::Unknown; + int32_t iMaxChars = m_pDataAcc->GetMaxChars(elementType); + if (elementType == XFA_Element::ExData) + iMaxChars = eType == XFA_VALUEPICTURE_Edit ? iMaxChars : 0; + if (pEdit->GetLimit() != iMaxChars) { + pEdit->SetLimit(iMaxChars); + bUpdate = true; + } + } else if (m_pDataAcc->GetUIType() == XFA_Element::Barcode) { + int32_t nDataLen = 0; + if (eType == XFA_VALUEPICTURE_Edit) + m_pDataAcc->GetBarcodeAttribute_DataLength(&nDataLen); + pEdit->SetLimit(nDataLen); + bUpdate = true; + } + + CFX_WideString wsText; + m_pDataAcc->GetValue(wsText, eType); + + CFX_WideString wsOldText = pEdit->GetText(); + if (wsText != wsOldText || (eType == XFA_VALUEPICTURE_Edit && bUpdate)) { + pEdit->SetText(wsText); + bUpdate = true; + } + if (bUpdate) + m_pNormalWidget->Update(); + + return true; +} + +void CXFA_FFTextEdit::OnTextChanged(CFWL_Widget* pWidget, + const CFX_WideString& wsChanged, + const CFX_WideString& wsPrevText) { + m_dwStatus |= XFA_WidgetStatus_TextEditValueChanged; + CXFA_EventParam eParam; + eParam.m_eType = XFA_EVENT_Change; + eParam.m_wsChange = wsChanged; + eParam.m_pTarget = m_pDataAcc.Get(); + eParam.m_wsPrevText = wsPrevText; + CFWL_Edit* pEdit = static_cast<CFWL_Edit*>(m_pNormalWidget.get()); + if (m_pDataAcc->GetUIType() == XFA_Element::DateTimeEdit) { + CFWL_DateTimePicker* pDateTime = (CFWL_DateTimePicker*)pEdit; + eParam.m_wsNewText = pDateTime->GetEditText(); + int32_t iSels = pDateTime->CountSelRanges(); + if (iSels) + eParam.m_iSelEnd = pDateTime->GetSelRange(0, &eParam.m_iSelStart); + } else { + eParam.m_wsNewText = pEdit->GetText(); + int32_t iSels = pEdit->CountSelRanges(); + if (iSels) + eParam.m_iSelEnd = pEdit->GetSelRange(0, &eParam.m_iSelStart); + } + m_pDataAcc->ProcessEvent(XFA_ATTRIBUTEENUM_Change, &eParam); +} + +void CXFA_FFTextEdit::OnTextFull(CFWL_Widget* pWidget) { + CXFA_EventParam eParam; + eParam.m_eType = XFA_EVENT_Full; + eParam.m_pTarget = m_pDataAcc.Get(); + m_pDataAcc->ProcessEvent(XFA_ATTRIBUTEENUM_Full, &eParam); +} + +bool CXFA_FFTextEdit::CheckWord(const CFX_ByteStringC& sWord) { + return sWord.IsEmpty() || m_pDataAcc->GetUIType() != XFA_Element::TextEdit; +} + +void CXFA_FFTextEdit::OnProcessMessage(CFWL_Message* pMessage) { + m_pOldDelegate->OnProcessMessage(pMessage); +} + +void CXFA_FFTextEdit::OnProcessEvent(CFWL_Event* pEvent) { + CXFA_FFField::OnProcessEvent(pEvent); + switch (pEvent->GetType()) { + case CFWL_Event::Type::TextChanged: { + CFWL_EventTextChanged* event = + static_cast<CFWL_EventTextChanged*>(pEvent); + CFX_WideString wsChange; + OnTextChanged(m_pNormalWidget.get(), wsChange, event->wsPrevText); + break; + } + case CFWL_Event::Type::TextFull: { + OnTextFull(m_pNormalWidget.get()); + break; + } + case CFWL_Event::Type::CheckWord: { + CFX_WideString wstr(L"FWL_EVENT_DTP_SelectChanged"); + CFWL_EventCheckWord* event = static_cast<CFWL_EventCheckWord*>(pEvent); + event->bCheckWord = CheckWord(event->bsWord.AsStringC()); + break; + } + default: + break; + } + m_pOldDelegate->OnProcessEvent(pEvent); +} + +void CXFA_FFTextEdit::OnDrawWidget(CXFA_Graphics* pGraphics, + const CFX_Matrix* pMatrix) { + m_pOldDelegate->OnDrawWidget(pGraphics, pMatrix); +} |