The dispatch-behind & whitelist stuff got broken again, so I've

retired them in favour of a much dumber hack that special-cases
only ctrl-U for units switch.

common/dialog_shim.cpp

@@ -487,11 +487,16 @@ void DIALOG_SHIM::OnButton( wxCommandEvent& aEvent )
 
 void DIALOG_SHIM::OnCharHook( wxKeyEvent& aEvt )
 {
-    if( m_parentFrame && m_parentFrame->DispatchBehindModalDialog( aEvt ) )
+    if( aEvt.GetKeyCode() == 'U' && aEvt.GetModifiers() == wxMOD_CONTROL )
+    {
+        if( m_parentFrame )
+        {
+            m_parentFrame->ToggleUserUnits();
             return;
-
+        }
+    }
     // shift-return (Mac default) or Ctrl-Return (GTK) for OK
-    if( aEvt.GetKeyCode() == WXK_RETURN && ( aEvt.ShiftDown() || aEvt.ControlDown() ) )
+    else if( aEvt.GetKeyCode() == WXK_RETURN && ( aEvt.ShiftDown() || aEvt.ControlDown() ) )
     {
         wxPostEvent( this, wxCommandEvent( wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK ) );
         return;

common/eda_draw_frame.cpp

@@ -195,23 +195,13 @@ void EDA_DRAW_FRAME::unitsChangeRefresh()
 }
 
 
-bool EDA_DRAW_FRAME::DispatchBehindModalDialog( wxKeyEvent& aEvent )
+void EDA_DRAW_FRAME::ToggleUserUnits()
 {
-    // Never process hotkeys when a text entry field is focused
-    if( dynamic_cast<wxTextEntry*>( FindFocus() ) )
-        return false;
+    SetUserUnits( m_userUnits == EDA_UNITS::INCHES ? EDA_UNITS::MILLIMETRES : EDA_UNITS::INCHES );
+    unitsChangeRefresh();
 
-    static std::set<const TOOL_ACTION*> whiteList = { &ACTIONS::toggleUnits,
-                                                      &ACTIONS::imperialUnits,
-                                                      &ACTIONS::metricUnits };
-
-    bool dummy;
-    OPT<TOOL_EVENT> evt = m_toolDispatcher->GetToolEvent( &aEvent, &dummy );
-
-    if( evt && evt->Action() == TA_KEY_PRESSED )
-        return m_toolManager->DispatchHotKey( *evt, &whiteList );
-
-    return false;
+    wxCommandEvent e( UNITS_CHANGED );
+    ProcessEventLocally( e );
 }
 
 

common/tool/action_manager.cpp

@@ -85,7 +85,7 @@ TOOL_ACTION* ACTION_MANAGER::FindAction( const std::string& aActionName ) const
 }
 
 
-bool ACTION_MANAGER::RunHotKey( int aHotKey, std::set<const TOOL_ACTION*>* aWhiteList ) const
+bool ACTION_MANAGER::RunHotKey( int aHotKey ) const
 {
     int key = aHotKey & ~MD_MODIFIER_MASK;
     int mod = aHotKey & MD_MODIFIER_MASK;
@@ -125,9 +125,6 @@ bool ACTION_MANAGER::RunHotKey( int aHotKey, std::set<const TOOL_ACTION*>* aWhit
 
     for( const TOOL_ACTION* action : actions )
     {
-        if( aWhiteList && !aWhiteList->count( action ) )
-            continue;
-
         if( action->GetScope() == AS_GLOBAL )
         {
             // Store the global action in case there are no context actions to run

common/tool/tool_manager.cpp

@@ -767,11 +767,10 @@ bool TOOL_MANAGER::dispatchInternal( const TOOL_EVENT& aEvent )
 }
 
 
-bool TOOL_MANAGER::DispatchHotKey( const TOOL_EVENT& aEvent,
-                                   std::set<const TOOL_ACTION*>* aWhiteList )
+bool TOOL_MANAGER::DispatchHotKey( const TOOL_EVENT& aEvent )
 {
     if( aEvent.Action() == TA_KEY_PRESSED )
-        return m_actionMgr->RunHotKey( aEvent.Modifier() | aEvent.KeyCode(), aWhiteList );
+        return m_actionMgr->RunHotKey( aEvent.Modifier() | aEvent.KeyCode() );
 
     return false;
 }

include/eda_base_frame.h

@@ -222,7 +222,7 @@ public:
 
     void ChangeUserUnits( EDA_UNITS aUnits );
 
-    virtual bool DispatchBehindModalDialog( wxKeyEvent& aEvent ) { return false; }
+    virtual void ToggleUserUnits() { }
 
     SETTINGS_MANAGER* GetSettingsManager() const { return m_settingsManager; }
 

include/eda_draw_frame.h

@@ -60,8 +60,6 @@ using KIGFX::RENDER_SETTINGS;
 #define FOOTPRINT_VIEWER_FRAME_NAME         wxT( "ModViewFrame" )
 #define FOOTPRINT_VIEWER_FRAME_NAME_MODAL   wxT( "ModViewFrameModal" )
 #define PCB_EDIT_FRAME_NAME                 wxT( "PcbFrame" )
-#define SHAPE_EDIT_FRAME_NAME               wxT( "ShapeEditFrame" )
-#define SHAPE_EDIT_FRAME_NAME_MODAL         wxT( "ShapeEditFrameModal" )
 
 
 /**
@@ -117,8 +115,6 @@ protected:
 
     void unitsChangeRefresh() override;
 
-    bool DispatchBehindModalDialog( wxKeyEvent& aEvent ) override;
-
     void CommonSettingsChanged( bool aEnvVarsChanged ) override;
 
     /**
@@ -187,6 +183,8 @@ public:
     bool GetShowPolarCoords() const { return m_PolarCoords; }
     void SetShowPolarCoords( bool aShow ) { m_PolarCoords = aShow; }
 
+    void ToggleUserUnits() override;
+
     /**
      * Return the origin of the axis used for plotting and various exports.
      */

include/tool/action_manager.h

@@ -87,7 +87,7 @@ public:
      * @param aHotKey is the hotkey to be handled.
      * @return True if there was an action associated with the hotkey, false otherwise.
      */
-    bool RunHotKey( int aHotKey, std::set<const TOOL_ACTION*>* aWhiteList ) const;
+    bool RunHotKey( int aHotKey ) const;
 
     /**
      * Function GetHotKey()

include/tool/tool_manager.h

@@ -420,11 +420,9 @@ public:
      * Function dispatchHotKey()
      * Handles specific events, that are intended for TOOL_MANAGER rather than tools.
      * @param aEvent is the event to be processed.
-     * @param aWhiteList an optional list of allowed actions to run
      * @return true if the event was processed and should not go any further.
      */
-    bool DispatchHotKey( const TOOL_EVENT& aEvent,
-                         std::set<const TOOL_ACTION*>* aWhiteList = nullptr );
+    bool DispatchHotKey( const TOOL_EVENT& aEvent );
 
 private:
     typedef std::pair<TOOL_EVENT_LIST, TOOL_STATE_FUNC> TRANSITION;