FX Bool considered harmful, part 3

fpdfsdk/include/fx_systemhandler.h

 // 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
 
 #ifndef FPDFSDK_INCLUDE_FX_SYSTEMHANDLER_H_
 #define FPDFSDK_INCLUDE_FX_SYSTEMHANDLER_H_
 
 typedef void*                           FX_HWND;
@@ skipping 29 matching lines @@
 #define FXCT_HBEAM                              4
 #define FXCT_HAND                               5
 
 class IFX_SystemHandler
 {
 public:
         virtual ~IFX_SystemHandler() {}
         virtual void                            InvalidateRect(FX_HWND hWnd, FX_RECT rect) = 0;
     virtual void                                OutputSelectedRect(void* pFormFiller, CPDF_Rect&rect) = 0;
 
-        virtual FX_BOOL                         IsSelectionImplemented() = 0;
+        virtual bool                            IsSelectionImplemented() = 0;
 
         virtual CFX_WideString          GetClipboardText(FX_HWND hWnd) = 0;
-        virtual FX_BOOL                         SetClipboardText(FX_HWND hWnd, CFX_WideString string) = 0;
+        virtual bool                            SetClipboardText(FX_HWND hWnd, CFX_WideString string) = 0;
 
         virtual void                            ClientToScreen(FX_HWND hWnd, int32_t& x, int32_t& y) = 0;
         virtual void                            ScreenToClient(FX_HWND hWnd, int32_t& x, int32_t& y) = 0;
 
         /*cursor style
         FXCT_ARROW
         FXCT_NESW
         FXCT_NWSE
         FXCT_VBEAM
         FXCT_HBEAM
         FXCT_HAND
         */
         virtual void                            SetCursor(int32_t nCursorType) = 0;
 
         virtual FX_HMENU                        CreatePopupMenu() = 0;
-        virtual FX_BOOL                         AppendMenuItem(FX_HMENU hMenu, int32_t nIDNewItem, CFX_WideString string) = 0;
-        virtual FX_BOOL                         EnableMenuItem(FX_HMENU hMenu, int32_t nIDItem, FX_BOOL bEnabled) = 0;
+        virtual bool                            AppendMenuItem(FX_HMENU hMenu, int32_t nIDNewItem, CFX_WideString string) = 0;
+        virtual bool                            EnableMenuItem(FX_HMENU hMenu, int32_t nIDItem, bool bEnabled) = 0;
         virtual int32_t                 TrackPopupMenu(FX_HMENU hMenu, int32_t x, int32_t y, FX_HWND hParent) = 0;
         virtual void                            DestroyMenu(FX_HMENU hMenu) = 0;
 
         virtual CFX_ByteString          GetNativeTrueTypeFont(int32_t nCharset) = 0;
-        virtual FX_BOOL                         FindNativeTrueTypeFont(int32_t nCharset, CFX_ByteString sFontFaceName) = 0;
+        virtual bool                            FindNativeTrueTypeFont(int32_t nCharset, CFX_ByteString sFontFaceName) = 0;
         virtual CPDF_Font*                      AddNativeTrueTypeFontToPDF(CPDF_Document* pDoc, CFX_ByteString sFontFaceName, uint8_t nCharset) = 0;
 
         virtual int32_t                 SetTimer(int32_t uElapse, TimerCallback lpTimerFunc) = 0;
         virtual void                            KillTimer(int32_t nID) = 0;
 
 
-        virtual FX_BOOL                         IsSHIFTKeyDown(FX_DWORD nFlag) = 0;
-        virtual FX_BOOL                         IsCTRLKeyDown(FX_DWORD nFlag) = 0;
-        virtual FX_BOOL                         IsALTKeyDown(FX_DWORD nFlag) = 0;
-        virtual FX_BOOL                         IsINSERTKeyDown(FX_DWORD nFlag) = 0;
+        virtual bool                            IsSHIFTKeyDown(FX_DWORD nFlag) = 0;
+        virtual bool                            IsCTRLKeyDown(FX_DWORD nFlag) = 0;
+        virtual bool                            IsALTKeyDown(FX_DWORD nFlag) = 0;
+        virtual bool                            IsINSERTKeyDown(FX_DWORD nFlag) = 0;
 
         virtual FX_SYSTEMTIME           GetLocalTime() = 0;
 
         virtual int32_t                 GetCharSet() = 0;
         virtual void                            SetCharSet(int32_t nCharSet) = 0;
 };
 
 #endif  // FPDFSDK_INCLUDE_FX_SYSTEMHANDLER_H_