Cvpcb: fix incorrect behavior when clicking on a component

cvpcb/cvframe.cpp

@@ -500,36 +500,47 @@ void CVPCB_MAINFRAME::OnLeftDClick( wxListEvent& event )
 }
 
 
+/* Called when clicking on a component in component list window
+ * * Updates the filtered foorprint list, if the filtered list option is selected
+ * * Updates the current selected footprint in footprint list
+ * * Updates the footprint shown in footprint display window (if opened)
+ */
 void CVPCB_MAINFRAME::OnSelectComponent( wxListEvent& event )
 {
-    int selection;
+    #define REDRAW_LIST true
+    #define SELECT_FULL_LIST true
+    int selection = -1;
 
     if( !m_mainToolBar->GetToolToggled( ID_CVPCB_FOOTPRINT_DISPLAY_FILTERED_LIST ) )
-    {
-        m_FootprintList->SetActiveFootprintList( true, true );
-        return;
-    }
+        m_FootprintList->SetActiveFootprintList( SELECT_FULL_LIST, REDRAW_LIST );
 
+    else
+    {
         selection = m_ListCmp->GetSelection();
 
         if( selection < 0 )
-    {
-        m_FootprintList->SetActiveFootprintList( true, true );
-        return;
-    }
+            m_FootprintList->SetActiveFootprintList( SELECT_FULL_LIST, REDRAW_LIST );
 
-    if( &m_components[ selection ] == NULL )
+        else
         {
-        m_FootprintList->SetActiveFootprintList( true, true );
-        return;
+            if( &m_components[ selection ] == NULL )
+                m_FootprintList->SetActiveFootprintList( SELECT_FULL_LIST, REDRAW_LIST );
+            else
+                m_FootprintList->SetFootprintFilteredList( &m_components[ selection ],
+                                                           m_footprints );
+        }
     }
 
-    m_FootprintList->SetFootprintFilteredList( &m_components[ selection ], m_footprints );
+    selection = m_ListCmp->GetSelection();
+
+    if( selection < 0 )
+        return;
 
     // Preview of the already assigned footprint.
     // Find the footprint that was already choosen for this component and select it.
     wxString module = *(&m_components[ selection ].m_Module);
 
+    bool found = false;
     for( int ii = 0; ii < m_FootprintList->GetCount(); ii++ )
     {
         wxString footprintName;
@@ -539,11 +550,24 @@ void CVPCB_MAINFRAME::OnSelectComponent( wxListEvent& event )
         footprintName = msg.AfterFirst( wxChar( ' ' ) );
 
         if( module.Cmp( footprintName ) == 0 )
+        {
             m_FootprintList->SetSelection( ii, true );
-        else
+            found = true;
+            break;
+        }
+    }
+    if( ! found )
+    {
+        int ii = m_FootprintList->GetSelection();
+        if ( ii >= 0 )
             m_FootprintList->SetSelection( ii, false );
+        if( m_DisplayFootprintFrame )
+        {
+            CreateScreenCmp();
+        }
     }
 
+
     SendMessageToEESCHEMA();
     DisplayStatus();
 }

cvpcb/cvpcb_mainframe.h

@@ -54,6 +54,14 @@ public:
 
     void             OnLeftClick( wxListEvent& event );
     void             OnLeftDClick( wxListEvent& event );
+
+    /**
+     * Function OnSelectComponent
+     * Called when clicking on a component in component list window
+     * * Updates the filtered foorprint list, if the filtered list option is selected
+     * * Updates the current selected footprint in footprint list
+     * * Updates the footprint shown in footprint display window (if opened)
+     */
     void             OnSelectComponent( wxListEvent& event );
 
     void             OnQuit( wxCommandEvent& event );

cvpcb/setvisu.cpp

@@ -84,13 +84,22 @@ void CVPCB_MAINFRAME::CreateScreenCmp()
 
         m_DisplayFootprintFrame->Zoom_Automatique( false );
         m_DisplayFootprintFrame->DrawPanel->Refresh();
-        m_DisplayFootprintFrame->UpdateStatusBar();    /* Display new cursor coordinates and zoom value */
+        // Display new cursor coordinates and zoom value:
+        m_DisplayFootprintFrame->UpdateStatusBar();
 
         if( m_DisplayFootprintFrame->m_Draw3DFrame )
             m_DisplayFootprintFrame->m_Draw3DFrame->NewDisplay();
     }
-    else if( !IsNew )
+    else if( !IsNew )   // No footprint to display. Erase old footprint, if any
     {
+        if( m_DisplayFootprintFrame->GetBoard()->m_Modules.GetCount() )
+        {
+            m_DisplayFootprintFrame->GetBoard()->m_Modules.DeleteAll();
+            m_DisplayFootprintFrame->Zoom_Automatique( false );
+            m_DisplayFootprintFrame->SetStatusText( wxEmptyString, 0 );
+            m_DisplayFootprintFrame->UpdateStatusBar();
+        }
+
         m_DisplayFootprintFrame->Refresh();
 
         if( m_DisplayFootprintFrame->m_Draw3DFrame )
@@ -98,8 +107,6 @@ void CVPCB_MAINFRAME::CreateScreenCmp()
     }
 }
 
-
-
 /*
  * Draws the current highlighted footprint.
  */
@@ -131,21 +138,3 @@ void BOARD::Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, int aDrawMode, const wxPoin
         m_Modules->Draw( aPanel, aDC, GR_COPY );
     }
 }
-
-/* dummy_functions:
- *
- *  These functions are used in some classes.
- *  they are useful in Pcbnew, but have no meaning or are never used
- *  in CvPcb or GerbView.
- *  but they must exist because they appear in some classes.
- *  Do nothing in CvPcb.
- */
-TRACK* MarkTrace( BOARD* aPcb,
-                  TRACK* aStartSegm,
-                  int*   aSegmCount,
-                  int*   aTrackLen,
-                  int*   aLenDie,
-                  bool   aReorder )
-{
-    return NULL;
-}