Add opaque "layout item" to widgets for caller's use.

xfa/fxfa/app/xfa_fftextedit.cpp

 // 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/fxfa/app/xfa_fftextedit.h"
 
 #include <vector>
 
@@ skipping 20 matching lines @@
   if (m_pNormalWidget) {
     IFWL_Widget* pWidget = m_pNormalWidget->GetWidget();
     CFWL_NoteDriver* pNoteDriver = FWL_GetApp()->GetNoteDriver();
     pNoteDriver->UnregisterEventTarget(pWidget);
   }
 }
 FX_BOOL CXFA_FFTextEdit::LoadWidget() {
   CFWL_Edit* pFWLEdit = CFWL_Edit::Create();
   pFWLEdit->Initialize();
   m_pNormalWidget = pFWLEdit;
+  m_pNormalWidget->SetLayoutItem(this);
   IFWL_Widget* pWidget = m_pNormalWidget->GetWidget();
-  m_pNormalWidget->SetPrivateData(pWidget, this, NULL);
   CFWL_NoteDriver* pNoteDriver = FWL_GetApp()->GetNoteDriver();
   pNoteDriver->RegisterEventTarget(pWidget, pWidget);
   m_pOldDelegate = 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();
@@ skipping 390 matching lines @@
 
 CXFA_FFNumericEdit::CXFA_FFNumericEdit(CXFA_FFPageView* pPageView,
                                        CXFA_WidgetAcc* pDataAcc)
     : CXFA_FFTextEdit(pPageView, pDataAcc) {}
 CXFA_FFNumericEdit::~CXFA_FFNumericEdit() {}
 FX_BOOL CXFA_FFNumericEdit::LoadWidget() {
   CFWL_Edit* pWidget = CFWL_Edit::Create();
   pWidget->Initialize();
   m_pNormalWidget = (CFWL_Widget*)pWidget;
   IFWL_Widget* pIWidget = m_pNormalWidget->GetWidget();
-  m_pNormalWidget->SetPrivateData(pIWidget, this, NULL);
+  m_pNormalWidget->SetLayoutItem(this);
   CFWL_NoteDriver* pNoteDriver = FWL_GetApp()->GetNoteDriver();
   pNoteDriver->RegisterEventTarget(pIWidget, pIWidget);
   m_pOldDelegate = m_pNormalWidget->SetDelegate(this);
   m_pNormalWidget->LockUpdate();
   CFX_WideString wsText;
   m_pDataAcc->GetValue(wsText, XFA_VALUEPICTURE_Display);
   pWidget->SetText(wsText);
   UpdateWidgetProperty();
   m_pNormalWidget->UnlockUpdate();
   return CXFA_FFField::LoadWidget();
@@ skipping 52 matching lines @@
                                          m_pDataAcc->GetLocal());
 }
 CXFA_FFPasswordEdit::CXFA_FFPasswordEdit(CXFA_FFPageView* pPageView,
                                          CXFA_WidgetAcc* pDataAcc)
     : CXFA_FFTextEdit(pPageView, pDataAcc) {}
 CXFA_FFPasswordEdit::~CXFA_FFPasswordEdit() {}
 FX_BOOL CXFA_FFPasswordEdit::LoadWidget() {
   CFWL_Edit* pWidget = CFWL_Edit::Create();
   pWidget->Initialize();
   m_pNormalWidget = (CFWL_Widget*)pWidget;
+  m_pNormalWidget->SetLayoutItem(this);
   IFWL_Widget* pIWidget = m_pNormalWidget->GetWidget();
-  m_pNormalWidget->SetPrivateData(pIWidget, this, NULL);
   CFWL_NoteDriver* pNoteDriver = FWL_GetApp()->GetNoteDriver();
   pNoteDriver->RegisterEventTarget(pIWidget, pIWidget);
   m_pOldDelegate = m_pNormalWidget->SetDelegate(this);
   m_pNormalWidget->LockUpdate();
   CFX_WideString wsText;
   m_pDataAcc->GetValue(wsText, XFA_VALUEPICTURE_Display);
   pWidget->SetText(wsText);
   UpdateWidgetProperty();
   m_pNormalWidget->UnlockUpdate();
   return CXFA_FFField::LoadWidget();
@@ skipping 44 matching lines @@
   ((CFWL_DateTimePicker*)m_pNormalWidget)->GetBBox(rtWidget);
   if (rtWidget.Contains(fx, fy)) {
     return TRUE;
   }
   return FALSE;
 }
 FX_BOOL CXFA_FFDateTimeEdit::LoadWidget() {
   CFWL_DateTimePicker* pWidget = CFWL_DateTimePicker::Create();
   pWidget->Initialize();
   m_pNormalWidget = (CFWL_Widget*)pWidget;
+  m_pNormalWidget->SetLayoutItem(this);
   IFWL_Widget* pIWidget = m_pNormalWidget->GetWidget();
-  m_pNormalWidget->SetPrivateData(pIWidget, this, NULL);
   CFWL_NoteDriver* pNoteDriver = FWL_GetApp()->GetNoteDriver();
   pNoteDriver->RegisterEventTarget(pIWidget, pIWidget);
   m_pOldDelegate = m_pNormalWidget->SetDelegate(this);
   m_pNormalWidget->LockUpdate();
   CFX_WideString wsText;
   m_pDataAcc->GetValue(wsText, XFA_VALUEPICTURE_Display);
   pWidget->SetEditText(wsText);
   if (CXFA_Value value = m_pDataAcc->GetFormValue()) {
     switch (value.GetChildValueClassID()) {
       case XFA_ELEMENT_Date: {
@@ skipping 188 matching lines @@
 
 void CXFA_FFDateTimeEdit::OnProcessEvent(CFWL_Event* pEvent) {
   if (pEvent->GetClassID() == CFWL_EventType::SelectChanged) {
     CFWL_Event_DtpSelectChanged* event = (CFWL_Event_DtpSelectChanged*)pEvent;
     OnSelectChanged(m_pNormalWidget->GetWidget(), event->iYear, event->iMonth,
                     event->iDay);
     return;
   }
   CXFA_FFTextEdit::OnProcessEvent(pEvent);
 }