Fix unannotated fall-through warnings

samples/calendar/calendar.cpp

@@ -625,7 +625,7 @@ void MyFrame::OnCalRClick(wxMouseEvent& event)
     {
         default:
             wxFAIL_MSG( "unexpected" );
-            // fall through
+            wxFALLTHROUGH;
 
         case wxCAL_HITTEST_NOWHERE:
             msg += "nowhere";

samples/dataview/mymodels.cpp

@@ -525,6 +525,7 @@ bool MyListModel::GetAttrByRow( unsigned int row, unsigned int col,
                     return true;
                 }
             }
+            wxFALLTHROUGH;
 
         case Col_Custom:
             // do what the labels defined in GetValueByRow() hint at

samples/dialogs/dialogs.cpp

@@ -3707,6 +3707,7 @@ long TestMessageBoxDialog::GetStyle()
     {
         case MsgDlgIcon_Max:
             wxFAIL_MSG( "unexpected selection" );
+            wxFALLTHROUGH;
 
         case MsgDlgIcon_No:
             break;

samples/exec/exec.cpp

@@ -627,7 +627,7 @@ void MyFrame::OnKill(wxCommandEvent& WXUNUSED(event))
     {
         default:
             wxFAIL_MSG( "unexpected return value" );
-            // fall through
+            wxFALLTHROUGH;
 
         case -1:
             // cancelled

samples/image/image.cpp

@@ -802,7 +802,7 @@ void MyFrame::OnImageInfo( wxCommandEvent &WXUNUSED(event) )
             {
                 default:
                     wxFAIL_MSG( "unknown image resolution units" );
-                    // fall through
+                    wxFALLTHROUGH;
 
                 case wxIMAGE_RESOLUTION_NONE:
                     info += " in default units";

samples/power/power.cpp

@@ -142,7 +142,7 @@ private:
 
             default:
                 wxFAIL_MSG("unknown wxPowerType value");
-                // fall through
+                wxFALLTHROUGH;
 
             case wxPOWER_UNKNOWN:
                 powerStr = "psychic";
@@ -170,7 +170,7 @@ private:
 
             default:
                 wxFAIL_MSG("unknown wxBatteryState value");
-                // fall through
+                wxFALLTHROUGH;
 
             case wxBATTERY_UNKNOWN_STATE:
                 batteryStr = "unknown";

samples/regtest/regtest.cpp

@@ -1074,8 +1074,7 @@ bool RegTreeCtrl::TreeNode::OnExpand()
             m_pKey->QueryValue(str, &l);
             strItem << l;
         }
-
-        // fall through
+        wxFALLTHROUGH;
 
         default:
             icon = RegImageList::BinaryValue;

samples/treelist/treelist.cpp

@@ -695,7 +695,7 @@ void MyFrame::OnItemContextMenu(wxTreeListEvent& event)
 
         default:
             wxFAIL_MSG( "Unexpected menu selection" );
-            // Fall through.
+            wxFALLTHROUGH;
 
         case wxID_NONE:
             return;

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;
     }