Split fwl/core class pt I.

xfa/fwl/core/ifwl_form.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/core/ifwl_form.h"
 
 #include "third_party/base/ptr_util.h"
 #include "xfa/fde/tto/fde_textout.h"
 #include "xfa/fwl/core/cfwl_evtclose.h"
 #include "xfa/fwl/core/cfwl_msgmouse.h"
+#include "xfa/fwl/core/cfwl_sysbtn.h"
 #include "xfa/fwl/core/cfwl_themebackground.h"
 #include "xfa/fwl/core/cfwl_themepart.h"
 #include "xfa/fwl/core/cfwl_themetext.h"
 #include "xfa/fwl/core/cfwl_widgetmgr.h"
 #include "xfa/fwl/core/fwl_noteimp.h"
 #include "xfa/fwl/core/ifwl_app.h"
 #include "xfa/fwl/core/ifwl_formproxy.h"
 #include "xfa/fwl/core/ifwl_themeprovider.h"
 #include "xfa/fwl/theme/cfwl_widgettp.h"
 
@@ skipping 823 matching lines @@
       HitTest(pMsg->m_fx, pMsg->m_fy) == FWL_WidgetHit::Titlebar) {
     if (m_bMaximized)
       SetWidgetRect(m_rtRestore);
     else
       SetWorkAreaRect();
 
     Update();
     m_bMaximized = !m_bMaximized;
   }
 }
-
-CFWL_SysBtn::CFWL_SysBtn() {
-  m_rtBtn.Set(0, 0, 0, 0);
-  m_dwState = 0;
-}
-
-bool CFWL_SysBtn::IsDisabled() const {
-  return !!(m_dwState & FWL_SYSBUTTONSTATE_Disabled);
-}
-
-void CFWL_SysBtn::SetNormal() {
-  m_dwState &= 0xFFF0;
-}
-
-void CFWL_SysBtn::SetPressed() {
-  SetNormal();
-  m_dwState |= FWL_SYSBUTTONSTATE_Pressed;
-}
-
-void CFWL_SysBtn::SetHover() {
-  SetNormal();
-  m_dwState |= FWL_SYSBUTTONSTATE_Hover;
-}
-
-void CFWL_SysBtn::SetDisabled(bool bDisabled) {
-  bDisabled ? m_dwState |= FWL_SYSBUTTONSTATE_Disabled
-            : m_dwState &= ~FWL_SYSBUTTONSTATE_Disabled;
-}
-
-uint32_t CFWL_SysBtn::GetPartState() const {
-  if (IsDisabled())
-    return CFWL_PartState_Disabled;
-  if (m_dwState & FWL_SYSBUTTONSTATE_Pressed)
-    return CFWL_PartState_Pressed;
-  if (m_dwState & FWL_SYSBUTTONSTATE_Hover)
-    return CFWL_PartState_Hovered;
-  return CFWL_PartState_Normal;
-}