Return bool rather than bitwise-and for FX_BOOL

xfa/fwl/basewidget/fwl_comboboximp.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/basewidget/fwl_comboboximp.h"
 
 #include "xfa/fde/tto/fde_textout.h"
 #include "xfa/fee/fde_txtedtengine.h"
@@ skipping 539 matching lines @@
   } else {
     rect = m_pProperties->m_rtWidget;
   }
   return FWL_ERR_Succeeded;
 }
 FWL_ERR CFWL_ComboBoxImp::ModifyStylesEx(uint32_t dwStylesExAdded,
                                          uint32_t dwStylesExRemoved) {
   if (m_pWidgetMgr->IsFormDisabled()) {
     return DisForm_ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
   }
-  FX_BOOL bAddDropDown = dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown;
-  FX_BOOL bRemoveDropDown = dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown;
+  bool bAddDropDown = !!(dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown);
+  bool bRemoveDropDown = !!(dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown);
   if (bAddDropDown && !m_pEdit) {
     CFWL_WidgetImpProperties prop;
     m_pEdit.reset(IFWL_Edit::CreateComboEdit(prop, nullptr));
     m_pEdit->Initialize();
     static_cast<CFWL_EditImp*>(m_pEdit->GetImpl())->SetOuter(m_pInterface);
     m_pEdit->SetParent(m_pInterface);
   } else if (bRemoveDropDown && m_pEdit) {
     m_pEdit->SetStates(FWL_WGTSTATE_Invisible, TRUE);
   }
   return CFWL_WidgetImp::ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
@@ skipping 653 matching lines @@
   Repaint(&rect);
 }
 FX_BOOL CFWL_ComboBoxImp::DisForm_IsDropListShowed() {
   return !(m_pListBox->GetStates() & FWL_WGTSTATE_Invisible);
 }
 FWL_ERR CFWL_ComboBoxImp::DisForm_ModifyStylesEx(uint32_t dwStylesExAdded,
                                                  uint32_t dwStylesExRemoved) {
   if (!m_pEdit) {
     DisForm_InitComboEdit();
   }
-  FX_BOOL bAddDropDown = dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown;
-  FX_BOOL bDelDropDown = dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown;
+  bool bAddDropDown = !!(dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown);
+  bool bDelDropDown = !!(dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown);
   dwStylesExRemoved &= ~FWL_STYLEEXT_CMB_DropDown;
   m_pProperties->m_dwStyleExes |= FWL_STYLEEXT_CMB_DropDown;
   if (bAddDropDown) {
     m_pEdit->ModifyStylesEx(0, FWL_STYLEEXT_EDT_ReadOnly);
   } else if (bDelDropDown) {
     m_pEdit->ModifyStylesEx(FWL_STYLEEXT_EDT_ReadOnly, 0);
   }
   return CFWL_WidgetImp::ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
 }
 FWL_ERR CFWL_ComboBoxImp::DisForm_Update() {
@@ skipping 596 matching lines @@
   m_pComboBox->ShowDropList(FALSE);
 }
 void CFWL_ComboProxyImpDelegate::OnFocusChanged(CFWL_MsgKillFocus* pMsg,
                                                 FX_BOOL bSet) {
   if (!bSet) {
     if (pMsg->m_pSetFocus == NULL) {
       m_pComboBox->ShowDropList(FALSE);
     }
   }
 }