This CL removes some of the unused CFWL widget flags.

xfa/fwl/cfwl_combobox.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/fwl/cfwl_combobox.h"
 
 #include <algorithm>
 #include <memory>
@@ skipping 324 matching lines @@
                         (FWL_STYLEEXT_CMB_Sort | FWL_STYLEEXT_CMB_OwnerDraw);
   m_pListBox->ModifyStylesEx(dwStyleAdd, 0);
   m_rtList = m_pListBox->GetAutosizedWidgetRect();
 
   CFX_RectF rtAnchor;
   rtAnchor.Set(0, 0, m_pProperties->m_rtWidget.width,
                m_pProperties->m_rtWidget.height);
 
   m_rtList.width = std::max(m_rtList.width, m_rtClient.width);
   m_rtProxy = m_rtList;
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListDrag)
-    m_rtProxy.height += m_fComboFormHandler;
 
   GetPopupPos(0, m_rtProxy.height, rtAnchor, m_rtProxy);
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListDrag) {
-    FX_FLOAT fx = 0;
-    FX_FLOAT fy = m_rtClient.top + m_rtClient.height / 2;
-    TransformTo(nullptr, fx, fy);
 
-    m_bUpFormHandler = fy > m_rtProxy.top;
-    if (m_bUpFormHandler) {
-      m_rtHandler.Set(0, 0, m_rtList.width, m_fComboFormHandler);
-      m_rtList.top = m_fComboFormHandler;
-    } else {
-      m_rtHandler.Set(0, m_rtList.height, m_rtList.width, m_fComboFormHandler);
-    }
-  }
   m_pComboBoxProxy->SetWidgetRect(m_rtProxy);
   m_pComboBoxProxy->Update();
   m_pListBox->SetWidgetRect(m_rtList);
   m_pListBox->Update();
 
   CFWL_Event ev(CFWL_Event::Type::PreDropDown, this);
   DispatchEvent(&ev);
 
   m_fItemHeight = m_pListBox->GetItemHeight();
   m_pListBox->SetFocus(true);
@@ skipping 68 matching lines @@
 void CFWL_ComboBox::ResetEditAlignment() {
   if (!m_pEdit)
     return;
 
   uint32_t dwAdd = 0;
   switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditHAlignMask) {
     case FWL_STYLEEXT_CMB_EditHCenter: {
       dwAdd |= FWL_STYLEEXT_EDT_HCenter;
       break;
     }
-    case FWL_STYLEEXT_CMB_EditHFar: {
-      dwAdd |= FWL_STYLEEXT_EDT_HFar;
+    default: {
+      dwAdd |= FWL_STYLEEXT_EDT_HNear;
       break;
     }
-    default: { dwAdd |= FWL_STYLEEXT_EDT_HNear; }
   }
   switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditVAlignMask) {
     case FWL_STYLEEXT_CMB_EditVCenter: {
       dwAdd |= FWL_STYLEEXT_EDT_VCenter;
       break;
     }
     case FWL_STYLEEXT_CMB_EditVFar: {
       dwAdd |= FWL_STYLEEXT_EDT_VFar;
       break;
     }
     default: {
       dwAdd |= FWL_STYLEEXT_EDT_VNear;
       break;
     }
   }
   if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditJustified)
     dwAdd |= FWL_STYLEEXT_EDT_Justified;
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditDistributed)
-    dwAdd |= FWL_STYLEEXT_EDT_Distributed;
 
   m_pEdit->ModifyStylesEx(dwAdd, FWL_STYLEEXT_EDT_HAlignMask |
                                      FWL_STYLEEXT_EDT_HAlignModeMask |
                                      FWL_STYLEEXT_EDT_VAlignMask);
 }
 
 void CFWL_ComboBox::ResetListItemAlignment() {
   if (!m_pListBox)
     return;
 
   uint32_t dwAdd = 0;
   switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListItemAlignMask) {
     case FWL_STYLEEXT_CMB_ListItemCenterAlign: {
       dwAdd |= FWL_STYLEEXT_LTB_CenterAlign;
       break;
     }
-    case FWL_STYLEEXT_CMB_ListItemRightAlign: {
-      dwAdd |= FWL_STYLEEXT_LTB_RightAlign;
-      break;
-    }
     default: {
       dwAdd |= FWL_STYLEEXT_LTB_LeftAlign;
       break;
     }
   }
   m_pListBox->ModifyStylesEx(dwAdd, FWL_STYLEEXT_CMB_ListItemAlignMask);
 }
 
 void CFWL_ComboBox::ProcessSelChanged(bool bLButtonUp) {
   m_iCurSel = m_pListBox->GetItemIndex(this, m_pListBox->GetSelItem(0));
@@ skipping 553 matching lines @@
       else
         iCurSel++;
     }
     m_iCurSel = iCurSel;
     SyncEditText(m_iCurSel);
     return;
   }
   if (m_pEdit)
     m_pEdit->GetDelegate()->OnProcessMessage(pMsg);
 }