Add tooltips to netclass setup panel column headers

Change router tooltips to be more straightforward

common/dialogs/panel_setup_netclasses.cpp

@@ -73,7 +73,8 @@ PANEL_SETUP_NETCLASSES::PANEL_SETUP_NETCLASSES( PAGED_DIALOG* aParent, NETCLASSE
         PANEL_SETUP_NETCLASSES_BASE( aParent->GetTreebook() ),
         m_Parent( aParent ),
         m_netclasses( aNetclasses ),
-        m_netNames( aNetNames )
+        m_netNames( aNetNames ),
+        m_hoveredCol( -1 )
 {
     if( g_lineStyleIcons.empty() )
     {
@@ -177,6 +178,11 @@ PANEL_SETUP_NETCLASSES::PANEL_SETUP_NETCLASSES( PAGED_DIALOG* aParent, NETCLASSE
                              wxGridEventHandler( PANEL_SETUP_NETCLASSES::OnNetclassGridCellChanging ),
                              NULL, this );
 
+    // Handle tooltips for grid
+    m_netclassGrid->GetGridColLabelWindow()->Bind( wxEVT_MOTION,
+                                                   &PANEL_SETUP_NETCLASSES::OnNetclassGridMouseEvent,
+                                                   this );
+
     m_netclassGrid->EndBatch();
     m_membershipGrid->EndBatch();
     Thaw();
@@ -441,6 +447,56 @@ void PANEL_SETUP_NETCLASSES::OnNetclassGridCellChanging( wxGridEvent& event )
 }
 
 
+void PANEL_SETUP_NETCLASSES::OnNetclassGridMouseEvent( wxMouseEvent& aEvent )
+{
+    int col = m_netclassGrid->XToCol( aEvent.GetPosition().x );
+
+    if( aEvent.Moving() || aEvent.Entering() )
+    {
+        aEvent.Skip();
+
+        if( col == wxNOT_FOUND )
+        {
+            m_netclassGrid->GetGridColLabelWindow()->UnsetToolTip();
+            return;
+        }
+
+        if( col == m_hoveredCol )
+            return;
+
+        m_hoveredCol = col;
+
+        wxString tip;
+
+        switch( col )
+        {
+        case GRID_CLEARANCE:        tip = _( "Minimum copper clearance" );      break;
+        case GRID_TRACKSIZE:        tip = _( "Minimum track width" );           break;
+        case GRID_VIASIZE:          tip = _( "Via pad diameter" );              break;
+        case GRID_VIADRILL:         tip = _( "Via plated hole diameter" );      break;
+        case GRID_uVIASIZE:         tip = _( "Microvia pad diameter" );         break;
+        case GRID_uVIADRILL:        tip = _( "Microvia plated hole diameter" ); break;
+        case GRID_DIFF_PAIR_WIDTH:  tip = _( "Differential pair track width" ); break;
+        case GRID_DIFF_PAIR_GAP:    tip = _( "Differential pair gap" );         break;
+        case GRID_WIREWIDTH:        tip = _( "Schematic wire thickness" );      break;
+        case GRID_BUSWIDTH:         tip = _( "Bus wire thickness" );            break;
+        case GRID_SCHEMATIC_COLOR:  tip = _( "Schematic wire color" );          break;
+        case GRID_LINESTYLE:        tip = _( "Schematic wire line style" );     break;
+        }
+
+        m_netclassGrid->GetGridColLabelWindow()->UnsetToolTip();
+        m_netclassGrid->GetGridColLabelWindow()->SetToolTip( tip );
+    }
+    else if( aEvent.Leaving() )
+    {
+        m_netclassGrid->GetGridColLabelWindow()->UnsetToolTip();
+        aEvent.Skip();
+    }
+
+    aEvent.Skip();
+}
+
+
 void PANEL_SETUP_NETCLASSES::OnAddNetclassClick( wxCommandEvent& event )
 {
     if( !m_netclassGrid->CommitPendingChanges() )