Display content of the annotation when mouse hover.

fpdfsdk/fsdk_mgr.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 "fpdfsdk/include/fsdk_mgr.h"
 
 #include <algorithm>
 #include <memory>
@@ skipping 754 matching lines @@
   }
   return nullptr;
 }
 #endif  // PDF_ENABLE_XFA
 
 FX_BOOL CPDFSDK_PageView::OnLButtonDown(const CFX_FloatPoint& point,
                                         FX_UINT nFlag) {
   CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
   ASSERT(pEnv);
   CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y);
+
   if (!pFXAnnot) {
     KillFocusAnnot(nFlag);
     return FALSE;
   }
 
   CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr();
   FX_BOOL bRet =
       pAnnotHandlerMgr->Annot_OnLButtonDown(this, pFXAnnot, nFlag, point);
   if (bRet)
     SetFocusAnnot(pFXAnnot);
@@ skipping 54 matching lines @@
     bRet = pAnnotHandlerMgr->Annot_OnLButtonUp(this, pFocusAnnot, nFlag, point);
   }
   if (pFXAnnot && !bRet)
     bRet = pAnnotHandlerMgr->Annot_OnLButtonUp(this, pFXAnnot, nFlag, point);
   return bRet;
 }
 
 FX_BOOL CPDFSDK_PageView::OnMouseMove(const CFX_FloatPoint& point, int nFlag) {
   CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
   CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr();
-  if (CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y)) {
+  if (CPDFSDK_Annot* pFXAnnot = GetFXAnnotAtPoint(point.x, point.y)) {
     if (m_CaptureWidget && m_CaptureWidget != pFXAnnot) {
       m_bExitWidget = TRUE;
       m_bEnterWidget = FALSE;
       pAnnotHandlerMgr->Annot_OnMouseExit(this, m_CaptureWidget, nFlag);
     }
-    m_CaptureWidget = (CPDFSDK_Widget*)pFXAnnot;
+    m_CaptureWidget = pFXAnnot;
     m_bOnWidget = TRUE;
     if (!m_bEnterWidget) {
       m_bEnterWidget = TRUE;
       m_bExitWidget = FALSE;
       pAnnotHandlerMgr->Annot_OnMouseEnter(this, pFXAnnot, nFlag);
     }
     pAnnotHandlerMgr->Annot_OnMouseMove(this, pFXAnnot, nFlag, point);
     return TRUE;
   }
   if (m_bOnWidget) {
@@ skipping 191 matching lines @@
 int CPDFSDK_PageView::GetPageIndexForStaticPDF() const {
 #ifdef PDF_ENABLE_XFA
   CPDF_Page* pPage = m_page->GetPDFPage();
 #else   // PDF_ENABLE_XFA
   CPDF_Page* pPage = m_page;
 #endif  // PDF_ENABLE_XFA
   CPDF_Dictionary* pDict = pPage->m_pFormDict;
   CPDF_Document* pDoc = m_pSDKDoc->GetPDFDocument();
   return (pDoc && pDict) ? pDoc->GetPageIndex(pDict->GetObjNum()) : -1;
 }