Cleanup FWL Event and Message code.

xfa/fwl/core/cfwl_edit.cpp

Index: xfa/fwl/core/cfwl_edit.cpp
diff --git a/xfa/fwl/core/cfwl_edit.cpp b/xfa/fwl/core/cfwl_edit.cpp
index 4544ebcb824018907d75b74e0e69aaef32f6213d..44f7775ec1dbc7a1490142dd6f3b0a34e9642879 100644
--- a/xfa/fwl/core/cfwl_edit.cpp
+++ b/xfa/fwl/core/cfwl_edit.cpp
@@ -20,9 +20,9 @@
 #include "xfa/fgas/font/cfgas_gefont.h"
 #include "xfa/fwl/core/cfwl_app.h"
 #include "xfa/fwl/core/cfwl_caret.h"
+#include "xfa/fwl/core/cfwl_event.h"
 #include "xfa/fwl/core/cfwl_evtcheckword.h"
 #include "xfa/fwl/core/cfwl_evttextchanged.h"
-#include "xfa/fwl/core/cfwl_evttextfull.h"
 #include "xfa/fwl/core/cfwl_evtvalidate.h"
 #include "xfa/fwl/core/cfwl_msgkey.h"
 #include "xfa/fwl/core/cfwl_msgmouse.h"
@@ -454,9 +454,6 @@ void CFWL_Edit::On_TextChanged(CFDE_TxtEdtEngine* pEdit,
 
   CFWL_EvtTextChanged event;
   event.m_pSrcTarget = this;
-  event.nChangeType = ChangeInfo.nChangeType;
-  event.wsInsert = ChangeInfo.wsInsert;
-  event.wsDelete = ChangeInfo.wsDelete;
   event.wsPrevText = ChangeInfo.wsPrevText;
   DispatchEvent(&event);
 
@@ -503,7 +500,6 @@ bool CFWL_Edit::On_Validate(CFDE_TxtEdtEngine* pEdit, CFX_WideString& wsText) {
     pDst = this;
 
   CFWL_EvtValidate event;
-  event.pDstWidget = pDst;
   event.m_pSrcTarget = this;
   event.wsInsert = wsText;
   event.bValidate = true;
@@ -1277,7 +1273,7 @@ void CFWL_Edit::ProcessInsertError(int32_t iError) {
   if (iError != -2)
     return;
 
-  CFWL_EvtTextFull textFullEvent;
+  CFWL_Event textFullEvent(CFWL_EventType::TextFull);
   textFullEvent.m_pSrcTarget = this;
   DispatchEvent(&textFullEvent);
 }
@@ -1522,11 +1518,7 @@ void CFWL_Edit::OnKeyDown(CFWL_MsgKey* pMsg) {
       break;
     }
     case FWL_VKEY_F2:
-      break;
-    case FWL_VKEY_Tab: {
-      DispatchKeyEvent(pMsg);
-      break;
-    }
+    case FWL_VKEY_Tab:
     default:
       break;
   }