Index: fpdfsdk/include/pdfwindow/PWL_Wnd.h |
diff --git a/fpdfsdk/include/pdfwindow/PWL_Wnd.h b/fpdfsdk/include/pdfwindow/PWL_Wnd.h |
index c3dd9b7a70a8d2096962f05c79682bb369f3291b..51a30589935d073d9b26017e564725ba0ed40f5a 100644 |
--- a/fpdfsdk/include/pdfwindow/PWL_Wnd.h |
+++ b/fpdfsdk/include/pdfwindow/PWL_Wnd.h |
@@ -168,6 +168,7 @@ inline FX_BOOL operator != (const CPWL_Color &c1, const CPWL_Color &c2) |
class IPWL_SpellCheck |
{ |
public: |
+ virtual ~IPWL_SpellCheck() { } |
virtual FX_BOOL CheckWord(FX_LPCSTR sWord) = 0; |
virtual void SuggestWords(FX_LPCSTR sWord, CFX_ByteStringArray & sSuggest) = 0; |
}; |
@@ -175,6 +176,8 @@ public: |
class IPWL_Provider |
{ |
public: |
+ virtual ~IPWL_Provider() { } |
+ |
//get a matrix which map user space to CWnd client space |
virtual CPDF_Matrix GetWindowMatrix(void* pAttachedData) = 0; |
@@ -193,6 +196,7 @@ public: |
class IPWL_FocusHandler |
{ |
public: |
+ virtual ~IPWL_FocusHandler() { } |
virtual void OnSetFocus(CPWL_Wnd* pWnd) = 0; |
virtual void OnKillFocus(CPWL_Wnd* pWnd) = 0; |
}; |