Fixed bug 1321936: changing a footprint for a set of modules relocates them in GAL canvas.

Changes introduced by the module editor are updated in GAL canvas.

pcbnew/tools/edit_tool.cpp

@@ -229,6 +229,8 @@ int EDIT_TOOL::Properties( TOOL_EVENT& aEvent )
         // Check if user wants to edit pad or module properties
         if( item->Type() == PCB_MODULE_T )
         {
+            item->ClearFlags();         // Necessary for having an undo entry
+
             for( D_PAD* pad = static_cast<MODULE*>( item )->Pads(); pad; pad = pad->Next() )
             {
                 if( pad->ViewBBox().Contains( getViewControls()->GetCursorPosition() ) )
@@ -240,20 +242,34 @@ int EDIT_TOOL::Properties( TOOL_EVENT& aEvent )
             }
         }
 
-        editFrame->SaveCopyInUndoList( item, UR_CHANGED );
-        editFrame->OnModify();
+        std::vector<PICKED_ITEMS_LIST*>& undoList = editFrame->GetScreen()->m_UndoList.m_CommandsList;
+
+        // It is necessary to determine if anything has changed
+        PICKED_ITEMS_LIST* lastChange = undoList.empty() ? NULL : undoList.back();
+
+        // Display properties dialog
         editFrame->OnEditItemRequest( NULL, item );
 
-        item->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
+        PICKED_ITEMS_LIST* currentChange = undoList.empty() ? NULL : undoList.back();
 
-        updateRatsnest( true );
-        getModel<BOARD>( PCB_T )->GetRatsnest()->Recalculate();
+        if( lastChange != currentChange )        // Something has changed
+        {
+            // Some of properties dialogs alter pointers, so we should deselect them
+            m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear );
+
+            processChanges( currentChange );
+
+            // Seems unnecessary, as the items are removed/added to the board
+            // updateRatsnest( true );
+            // getModel<BOARD>( PCB_T )->GetRatsnest()->Recalculate();
+
+            m_toolMgr->RunAction( COMMON_ACTIONS::pointEditorUpdate );
+        }
+    }
 
     if( unselect )
         m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear );
-    }
 
-    m_toolMgr->RunAction( COMMON_ACTIONS::pointEditorUpdate );
     setTransitions();
 
     return 0;
@@ -509,3 +525,40 @@ bool EDIT_TOOL::makeSelection( const SELECTION_TOOL::SELECTION& aSelection )
 
     return !aSelection.Empty();
 }
+
+
+void EDIT_TOOL::processChanges( const PICKED_ITEMS_LIST* aList )
+{
+    for( unsigned int i = 0; i < aList->GetCount(); ++i )
+    {
+        UNDO_REDO_T operation = aList->GetPickedItemStatus( i );
+        EDA_ITEM* updItem = aList->GetPickedItem( i );
+
+        switch( operation )
+        {
+        case UR_CHANGED:
+            updItem->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
+            break;
+
+        case UR_DELETED:
+            if( updItem->Type() == PCB_MODULE_T )
+                static_cast<MODULE*>( updItem )->RunOnChildren( boost::bind( &KIGFX::VIEW::Remove,
+                                                                             getView(), _1 ) );
+
+            getView()->Remove( updItem );
+            break;
+
+        case UR_NEW:
+            if( updItem->Type() == PCB_MODULE_T )
+                static_cast<MODULE*>( updItem )->RunOnChildren( boost::bind( &KIGFX::VIEW::Add,
+                                                                             getView(), _1 ) );
+
+            getView()->Add( updItem );
+            break;
+
+        default:
+            assert( false );    // Not handled
+            break;
+        }
+    }
+}

pcbnew/tools/edit_tool.h

@@ -133,6 +133,9 @@ private:
     ///> If there are no items currently selected, it tries to choose the item that is under
     ///> the cursor or displays a disambiguation menu if there are multpile items.
     bool makeSelection( const SELECTION_TOOL::SELECTION& aSelection );
+
+    ///> Updates view with the changes in the list.
+    void processChanges( const PICKED_ITEMS_LIST* aList );
 };
 
 #endif

pcbnew/xchgmod.cpp

@@ -428,10 +428,8 @@ void PCB_EDIT_FRAME::Exchange_Module( MODULE*            aOldModule,
     /* place module without ratsnest refresh: this will be made later
      * when all modules are on board
      */
-    wxPoint oldpos = GetCrossHairPosition();
-    SetCrossHairPosition( aOldModule->GetPosition(), false );
     PlaceModule( aNewModule, NULL, true );
-    SetCrossHairPosition( oldpos, false );
+    aNewModule->SetPosition( aOldModule->GetPosition() );
 
     // Flip footprint if needed
     if( aOldModule->GetLayer() != aNewModule->GetLayer() )
@@ -457,9 +455,8 @@ void PCB_EDIT_FRAME::Exchange_Module( MODULE*            aOldModule,
     for( D_PAD* pad = aNewModule->Pads(); pad != NULL; pad = pad->Next() )
     {
         pad->SetNetCode( NETINFO_LIST::UNCONNECTED );
-        D_PAD*  old_pad = aOldModule->Pads();
 
-        for( ; old_pad != NULL; old_pad = old_pad->Next() )
+        for( D_PAD* old_pad = aOldModule->Pads(); old_pad != NULL; old_pad = old_pad->Next() )
         {
             if( pad->PadNameEqual( old_pad ) )
                 pad->SetNetCode( old_pad->GetNetCode() );