some minor bug fixes and enhancements

eeschema/class_sch_component.cpp

@@ -110,9 +110,10 @@ SCH_COMPONENT::SCH_COMPONENT( LIB_COMPONENT& libComponent, DrawSheetPath* sheet,
 
     if( msg.IsEmpty() )
         msg = wxT( "U" );
-    msg += wxT( "?" );
+    m_PrefixString = msg;
 
     // update the reference -- just the prefix for now.
+    msg += wxT( "?" );
     SetRef( sheet, msg );
 
     /* Use the schematic component name instead of the library value field

eeschema/find.cpp

@@ -656,6 +656,7 @@ void WinEDA_FindFrame::LocatePartInLibs( wxCommandEvent& event )
 
     BOOST_FOREACH( CMP_LIBRARY& lib, CMP_LIBRARY::GetLibraryList() )
     {
+        nameList.Clear();
         lib.SearchEntryNames( nameList, Text );
 
         if( nameList.IsEmpty() )

eeschema/getpart.cpp

@@ -200,10 +200,12 @@ SCH_COMPONENT* WinEDA_SchematicFrame::Load_Component( wxDC*           DC,
     Component = new SCH_COMPONENT( *Entry, GetSheet(), unit, convert,
                                    GetScreen()->m_Curseur, true );
 
-    DrawStructsInGhost( DrawPanel, DC, Component, wxPoint( 0, 0 ) );
-
+    // Set the component value (that can differ from component name in lib, for aliases)
+    Component->GetField( VALUE )->m_Text = Name;
     Component->DisplayInfo( this );
 
+    DrawStructsInGhost( DrawPanel, DC, Component, wxPoint( 0, 0 ) );
+
     return Component;
 }
 

pcbnew/class_track.cpp

@@ -558,7 +558,8 @@ void TRACK::Draw( WinEDA_DrawPanel* panel, wxDC* DC, int draw_mode, const wxPoin
     {
         color = g_DesignSettings.m_LayerColor[m_Layer];
 
-        if( g_DesignSettings.IsLayerVisible( m_Layer ) == false && ( color & HIGHT_LIGHT_FLAG ) != HIGHT_LIGHT_FLAG )
+        if( g_DesignSettings.IsLayerVisible( m_Layer ) == false && ( color & HIGHT_LIGHT_FLAG ) !=
+            HIGHT_LIGHT_FLAG )
             return;
 
         if( DisplayOpt.ContrastModeDisplay )
@@ -723,7 +724,8 @@ void SEGVIA::Draw( WinEDA_DrawPanel* panel, wxDC* DC, int draw_mode, const wxPoi
 
     color = g_DesignSettings.m_ViaColor[m_Shape];
 
-    if( g_DesignSettings.IsElementVisible( VIAS_VISIBLE + m_Shape ) == false && ( color & HIGHT_LIGHT_FLAG ) != HIGHT_LIGHT_FLAG )
+    if( g_DesignSettings.IsElementVisible( VIAS_VISIBLE + m_Shape ) == false
+        && ( color & HIGHT_LIGHT_FLAG ) != HIGHT_LIGHT_FLAG )
         return;
 
     if( DisplayOpt.ContrastModeDisplay )
@@ -750,30 +752,36 @@ void SEGVIA::Draw( WinEDA_DrawPanel* panel, wxDC* DC, int draw_mode, const wxPoi
 
 
     rayon = m_Width >> 1;
-    if( panel->GetScreen()->Scale( rayon ) <= 4 )
+    // for small via size on screen (rayon < 4 pixels) draw a simplified shape
+    int radius_in_pixels = panel->GetScreen()->Scale( rayon );
+    bool fast_draw = false;
+
+    // Vias are drawn as a filled circle or a double circle. The hole will be drawn later
+    int drill_rayon = GetDrillValue() / 2;
+    int inner_rayon = rayon - panel->GetScreen()->Unscale( 2 );
+    if( radius_in_pixels < 3 )
     {
-        GRCircle( &panel->m_ClipBox, DC, m_Start.x, m_Start.y, rayon, color );
-        return;
+        fast_draw = true;
+        fillvia = false;
     }
 
     if( fillvia )
         GRFilledCircle( &panel->m_ClipBox, DC, m_Start.x, m_Start.y, rayon, 0, color, color );
+
     else
+    {
         GRCircle( &panel->m_ClipBox, DC, m_Start.x, m_Start.y, rayon, color );
-
-    int drill_rayon = GetDrillValue() / 2;
-    int inner_rayon = rayon - panel->GetScreen()->Unscale( 2 );
-
+        if ( fast_draw )
+            return;
         GRCircle( &panel->m_ClipBox, DC, m_Start.x, m_Start.y,
                   inner_rayon, color );
+    }
 
     // Draw the via hole if the display option allows it
     if( DisplayOpt.m_DisplayViaMode != VIA_HOLE_NOT_SHOW )
     {
         if( (DisplayOpt.m_DisplayViaMode == ALL_VIA_HOLE_SHOW)          // Display all drill holes requested
            || ( (drill_rayon > 0 ) && !IsDrillDefault() ) )             // Or Display non default holes requested
-        {
-            if( drill_rayon < inner_rayon )                             // We can show the via hole
         {
             if( fillvia )
             {
@@ -801,12 +809,12 @@ void SEGVIA::Draw( WinEDA_DrawPanel* panel, wxDC* DC, int draw_mode, const wxPoi
             }
             else
             {
+                if( drill_rayon < inner_rayon )         // We can show the via hole
                     GRCircle( &panel->m_ClipBox, DC, m_Start.x, m_Start.y,
                               drill_rayon, color );
             }
         }
     }
-    }
 
     if( DisplayOpt.ShowTrackClearanceMode == SHOW_CLEARANCE_ALWAYS )
         GRCircle( &panel->m_ClipBox, DC, m_Start.x, m_Start.y,
@@ -912,6 +920,7 @@ void TRACK::DisplayInfo( WinEDA_DrawFrame* frame )
     }
 }
 
+
 /*
  * Function DisplayInfoBase
  * has knowledge about the frame and how and where to put status information