Fix unannotated fall-through warnings

samples/widgets/bmpcombobox.cpp

@@ -433,7 +433,7 @@ void BitmapComboBoxWidgetsPage::CreateCombo()
     {
         default:
             wxFAIL_MSG( "unknown combo kind" );
-            // fall through
+            wxFALLTHROUGH;
 
         case ComboKind_Default:
             break;

samples/widgets/button.cpp

@@ -416,7 +416,7 @@ void ButtonWidgetsPage::CreateButton()
 
         default:
             wxFAIL_MSG("unexpected radiobox selection");
-            // fall through
+            wxFALLTHROUGH;
 
         case ButtonHAlign_Centre:
             break;
@@ -434,7 +434,7 @@ void ButtonWidgetsPage::CreateButton()
 
         default:
             wxFAIL_MSG("unexpected radiobox selection");
-            // fall through
+            wxFALLTHROUGH;
 
         case ButtonVAlign_Centre:
             // centre vertical alignment is the default (no style)

samples/widgets/checkbox.cpp

@@ -259,7 +259,7 @@ void CheckBoxWidgetsPage::CreateCheckbox()
     {
         default:
             wxFAIL_MSG("unexpected radiobox selection");
-            // fall through
+            wxFALLTHROUGH;
 
         case CheckboxKind_2State:
             flags |= wxCHK_2STATE;
@@ -267,7 +267,7 @@ void CheckBoxWidgetsPage::CreateCheckbox()
 
         case CheckboxKind_3StateUser:
             flags |= wxCHK_ALLOW_3RD_STATE_FOR_USER;
-            // fall through
+            wxFALLTHROUGH;
 
         case CheckboxKind_3State:
             flags |= wxCHK_3STATE;

samples/widgets/combobox.cpp

@@ -431,7 +431,7 @@ void ComboboxWidgetsPage::CreateCombo()
     {
         default:
             wxFAIL_MSG( "unknown combo kind" );
-            // fall through
+            wxFALLTHROUGH;
 
         case ComboKind_Default:
             break;

samples/widgets/hyperlnk.cpp

@@ -366,7 +366,7 @@ void HyperlinkWidgetsPage::OnAlignment(wxCommandEvent& WXUNUSED(event))
         default:
         case Align_Max:
             wxFAIL_MSG( "unknown alignment" );
-            // fall through
+            wxFALLTHROUGH;
 
         case Align_Left:
             addstyle = wxHL_ALIGN_LEFT;

samples/widgets/notebook.cpp

@@ -343,7 +343,7 @@ void BookWidgetsPage::RecreateBook()
     {
         default:
             wxFAIL_MSG( "unknown orientation" );
-            // fall through
+            wxFALLTHROUGH;
 
         case Orient_Top:
             flags |= wxBK_TOP;

samples/widgets/radiobox.cpp

@@ -376,7 +376,7 @@ void RadioWidgetsPage::CreateRadio()
     {
         default:
             wxFAIL_MSG( "unexpected wxRadioBox layout direction" );
-            // fall through
+            wxFALLTHROUGH;
 
         case RadioDir_Default:
             break;

samples/widgets/spinbtn.cpp

@@ -368,7 +368,7 @@ void SpinBtnWidgetsPage::CreateSpin()
     {
         default:
             wxFAIL_MSG("unexpected radiobox selection");
-            // fall through
+            wxFALLTHROUGH;
 
         case Align_Left:
             textFlags |= wxALIGN_LEFT;  // no-op

samples/widgets/static.cpp

@@ -417,7 +417,7 @@ void StaticWidgetsPage::CreateStatic()
     {
         default:
             wxFAIL_MSG("unexpected radiobox selection");
-            // fall through
+            wxFALLTHROUGH;
 
         case StaticHAlign_Left:
             align |= wxALIGN_LEFT;
@@ -436,7 +436,7 @@ void StaticWidgetsPage::CreateStatic()
     {
         default:
             wxFAIL_MSG("unexpected radiobox selection");
-            // fall through
+            wxFALLTHROUGH;
 
         case StaticVAlign_Top:
             align |= wxALIGN_TOP;
@@ -457,7 +457,7 @@ void StaticWidgetsPage::CreateStatic()
         {
             default:
                 wxFAIL_MSG("unexpected radiobox selection");
-                // fall through
+                wxFALLTHROUGH;
 
             case StaticEllipsize_Start:
                 flagsDummyText |= wxST_ELLIPSIZE_START;

samples/widgets/textctrl.cpp

@@ -293,7 +293,7 @@ private:
         {
             default:
                 wxFAIL_MSG( "unexpected HitTest() result" );
-                // fall through
+                wxFALLTHROUGH;
 
             case wxTE_HT_UNKNOWN:
                 x = y = -1;
@@ -690,6 +690,7 @@ void TextWidgetsPage::CreateText()
     {
         default:
             wxFAIL_MSG( "unexpected lines radio box selection" );
+            wxFALLTHROUGH;
 
         case TextLines_Single:
             break;
@@ -755,6 +756,7 @@ void TextWidgetsPage::CreateText()
     {
         default:
             wxFAIL_MSG( "unexpected kind radio box selection" );
+            wxFALLTHROUGH;
 
         case TextKind_Plain:
             break;

samples/widgets/toggle.cpp

@@ -379,7 +379,7 @@ void ToggleWidgetsPage::CreateToggle()
 
         default:
             wxFAIL_MSG("unexpected radiobox selection");
-            // fall through
+            wxFALLTHROUGH;
 
         case ToggleHAlign_Centre:
             break;
@@ -397,7 +397,7 @@ void ToggleWidgetsPage::CreateToggle()
 
         default:
             wxFAIL_MSG("unexpected radiobox selection");
-            // fall through
+            wxFALLTHROUGH;
 
         case ToggleVAlign_Centre:
             // centre vertical alignment is the default (no style)

samples/widgets/widgets.cpp

@@ -902,7 +902,7 @@ void WidgetsFrame::OnSetBorder(wxCommandEvent& event)
 
         default:
             wxFAIL_MSG( "unknown border style" );
-            // fall through
+            wxFALLTHROUGH;
 
         case Widgets_BorderDefault: border = wxBORDER_DEFAULT; break;
     }