Cleanup some extern method declarations.

xfa/fwl/basewidget/fwl_editimp.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_editimp.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "xfa/fde/fde_render.h"
 #include "xfa/fde/fde_renderdevice.h"
 #include "xfa/fee/ifde_txtedtpage.h"
 #include "xfa/fwl/basewidget/fwl_caretimp.h"
 #include "xfa/fwl/basewidget/fwl_comboboximp.h"
 #include "xfa/fwl/basewidget/fwl_scrollbarimp.h"
 #include "xfa/fwl/basewidget/ifwl_caret.h"
 #include "xfa/fwl/basewidget/ifwl_datetimepicker.h"
 #include "xfa/fwl/core/cfwl_message.h"
 #include "xfa/fwl/core/cfwl_themebackground.h"
 #include "xfa/fwl/core/cfwl_themepart.h"
 #include "xfa/fwl/core/fwl_appimp.h"
 #include "xfa/fwl/core/fwl_noteimp.h"
 #include "xfa/fwl/core/fwl_targetimp.h"
 #include "xfa/fwl/core/fwl_threadimp.h"
 #include "xfa/fwl/core/fwl_widgetimp.h"
 #include "xfa/fwl/core/fwl_widgetmgrimp.h"
 #include "xfa/fwl/core/ifwl_themeprovider.h"
+#include "xfa/fxfa/app/xfa_ffdoc.h"
+#include "xfa/fxfa/app/xfa_ffwidget.h"
 #include "xfa/fxgraphics/cfx_path.h"
 
 // static
 IFWL_Edit* IFWL_Edit::Create(const CFWL_WidgetImpProperties& properties,
                              IFWL_Widget* pOuter) {
   IFWL_Edit* pEdit = new IFWL_Edit;
   CFWL_EditImp* pEditImpl = new CFWL_EditImp(properties, pOuter);
   pEdit->SetImpl(pEditImpl);
   pEditImpl->SetInterface(pEdit);
   return pEdit;
@@ skipping 1572 matching lines @@
   IFWL_ScrollBar* pScrollBar = IFWL_ScrollBar::Create(prop, m_pInterface);
   pScrollBar->Initialize();
   (bVert ? &m_pVertScrollBar : &m_pHorzScrollBar)->reset(pScrollBar);
 }
 void CFWL_EditImp::InitEngine() {
   if (m_pEdtEngine) {
     return;
   }
   m_pEdtEngine = IFDE_TxtEdtEngine::Create();
 }
-extern FX_BOOL FWL_ShowCaret(IFWL_Widget* pWidget,
-                             FX_BOOL bVisible,
-                             const CFX_RectF* pRtAnchor);
+
+FX_BOOL FWL_ShowCaret(IFWL_Widget* pWidget,
+                      FX_BOOL bVisible,
+                      const CFX_RectF* pRtAnchor) {
+  CXFA_FFWidget* pXFAWidget = (CXFA_FFWidget*)pWidget->GetPrivateData(pWidget);
+  if (!pXFAWidget) {
+    return FALSE;
+  }
+  IXFA_DocProvider* pDocProvider = pXFAWidget->GetDoc()->GetDocProvider();
+  if (!pDocProvider) {
+    return FALSE;
+  }
+  if (bVisible) {
+    CFX_Matrix mt;
+    pXFAWidget->GetRotateMatrix(mt);
+    CFX_RectF rt(*pRtAnchor);
+    mt.TransformRect(rt);
+    pDocProvider->DisplayCaret(pXFAWidget, bVisible, &rt);
+    return TRUE;
+  }
+  pDocProvider->DisplayCaret(pXFAWidget, bVisible, pRtAnchor);
+  return TRUE;
+}
+
 void CFWL_EditImp::ShowCaret(FX_BOOL bVisible, CFX_RectF* pRect) {
   if (m_pCaret) {
     m_pCaret->ShowCaret(bVisible);
     if (bVisible && !pRect->IsEmpty()) {
       m_pCaret->SetWidgetRect(*pRect);
     }
     Repaint(&m_rtEngine);
   } else {
     IFWL_Widget* pOuter = m_pInterface;
     if (bVisible) {
@@ skipping 512 matching lines @@
     }
     CFX_RectF rect;
     m_pOwner->GetWidgetRect(rect);
     CFX_RectF rtInvalidate;
     rtInvalidate.Set(0, 0, rect.width + 2, rect.height + 2);
     m_pOwner->Repaint(&rtInvalidate);
   }
   return TRUE;
 }
 void CFWL_EditImpDelegate::DoCursor(CFWL_MsgMouse* pMsg) {}