EESchema schematic item hit test improvements.

* Merge LocateAnyPin() and LocatePinEnd() into single method and move to
  SCH_SCREEN object.

eeschema/bus-wire-junction.cpp

@@ -753,7 +753,7 @@ bool IsJunctionNeeded( SCH_EDIT_FRAME* frame, wxPoint& pos )
         if( PickStruct( pos, frame->GetScreen(), WIREITEM | WIRE_BUS_ENDPOINTS_ONLY ) )
             return TRUE;
 
-        if( frame->LocatePinEnd( frame->GetScreen()->GetDrawItems(), pos ) )
+        if( frame->GetScreen()->GetPin( pos, NULL, true ) )
             return TRUE;
     }
 

eeschema/controle.cpp

@@ -156,7 +156,7 @@ SCH_ITEM* SCH_EDIT_FRAME::SchematicGeneralLocateAndDisplay( const wxPoint& refpo
 
     if( DrawStruct )  // We have found a wire: Search for a connected pin at the same location
     {
-        Pin = LocateAnyPin( (SCH_ITEM*) m_CurrentSheet->LastDrawList(), refpoint, &LibItem );
+        Pin = GetScreen()->GetPin( refpoint, &LibItem );
 
         if( Pin )
         {
@@ -192,7 +192,7 @@ SCH_ITEM* SCH_EDIT_FRAME::SchematicGeneralLocateAndDisplay( const wxPoint& refpo
     }
 
     /* search for a pin */
-    Pin = LocateAnyPin( (SCH_ITEM*) m_CurrentSheet->LastDrawList(), refpoint, &LibItem );
+    Pin = GetScreen()->GetPin( refpoint, &LibItem );
 
     if( Pin )
     {

eeschema/dangling_ends.cpp

@@ -6,6 +6,7 @@
 #include "gr_basic.h"
 #include "sch_item_struct.h"
 #include "wxEeschemaStruct.h"
+#include "class_sch_screen.h"
 
 #include "general.h"
 #include "protos.h"
@@ -49,37 +50,3 @@ void SCH_EDIT_FRAME::TestDanglingEnds( SCH_ITEM* aDrawList, wxDC* aDC )
         }
     }
 }
-
-
-/**
- * Test if point pos is on a pin end.
- *
- * @param DrawList = List of SCH_ITEMs to check.
- * @param pos - Position of pin end to locate.
- * @return a LIB_PIN pointer to the located pin or NULL if no pin was found.
- */
-LIB_PIN* SCH_EDIT_FRAME::LocatePinEnd( SCH_ITEM* DrawList, const wxPoint& pos )
-{
-    SCH_COMPONENT* DrawLibItem;
-    LIB_PIN* Pin;
-    wxPoint pinpos;
-
-    Pin = LocateAnyPin( DrawList, pos, &DrawLibItem );
-
-    if( !Pin )
-        return NULL;
-
-    pinpos = Pin->GetPosition();
-
-    if( DrawLibItem == NULL )
-        NEGATE( pinpos.y );     // In libraries Y axis is bottom to top
-                                // and in schematic Y axis is top to bottom
-
-    else                        // calculate the pin position in schematic
-        pinpos = DrawLibItem->GetTransform().TransformCoordinate( pinpos ) + DrawLibItem->m_Pos;
-
-    if( pos == pinpos )
-        return Pin;
-
-    return NULL;
-}

eeschema/delete.cpp

@@ -51,7 +51,7 @@ static bool MarkConnected( SCH_EDIT_FRAME* frame, SCH_ITEM* ListStruct, SCH_LINE
         #define SEGM ( (SCH_LINE*) Struct )
         if( segment->IsEndPoint( SEGM->m_Start ) )
         {
-            if( !frame->LocatePinEnd( ListStruct, SEGM->m_Start ) )
+            if( !frame->GetScreen()->GetPin( SEGM->m_Start, NULL, true ) )
             {
                 Struct->m_Flags |= CANDIDATE;
                 MarkConnected( frame, ListStruct, SEGM );
@@ -59,7 +59,7 @@ static bool MarkConnected( SCH_EDIT_FRAME* frame, SCH_ITEM* ListStruct, SCH_LINE
         }
         if( segment->IsEndPoint( SEGM->m_End ) )
         {
-            if( !frame->LocatePinEnd( ListStruct, SEGM->m_End ) )
+            if( !frame->GetScreen()->GetPin( SEGM->m_End, NULL, true ) )
             {
                 Struct->m_Flags |= CANDIDATE;
                 MarkConnected( frame, ListStruct, SEGM );

eeschema/hotkeys.cpp

@@ -689,9 +689,10 @@ void SCH_EDIT_FRAME::OnHotKey( wxDC* DC, int hotkey, EDA_ITEM* DrawStruct )
                 break;
             if( DrawStruct->Type() == SCH_SHEET_T )
             {
+                SCH_SHEET* sheet = (SCH_SHEET*) DrawStruct;
                 // If it's a sheet, then check if a pinsheet is under the cursor
-                SCH_SHEET_PIN* slabel = LocateSheetLabel( (SCH_SHEET*) DrawStruct,
-                                                          GetScreen()->m_Curseur );
+                SCH_SHEET_PIN* slabel = sheet->GetLabel( GetScreen()->m_Curseur );
+
                 if( slabel )
                     DrawStruct = slabel;
             }
@@ -707,8 +708,7 @@ void SCH_EDIT_FRAME::OnHotKey( wxDC* DC, int hotkey, EDA_ITEM* DrawStruct )
         if( HK_Descr->m_Idcommand == HK_COPY_COMPONENT_OR_LABEL )
         {
             GetScreen()->SetCurItem( (SCH_ITEM*) DrawStruct );
-            wxCommandEvent event( wxEVT_COMMAND_TOOL_CLICKED,
-                                  HK_Descr->m_IdMenuEvent );
+            wxCommandEvent event( wxEVT_COMMAND_TOOL_CLICKED, HK_Descr->m_IdMenuEvent );
             wxPostEvent( this, event );
             break;
         }

eeschema/locate.cpp

@@ -324,38 +324,6 @@ bool SnapPoint2( const wxPoint& aPosRef, int SearchMask, SCH_ITEM* DrawList )
 }
 
 
-SCH_SHEET_PIN* LocateSheetLabel( SCH_SHEET* Sheet, const wxPoint& pos )
-{
-    return Sheet->GetLabel( pos );
-}
-
-
-LIB_PIN* LocateAnyPin( SCH_ITEM* DrawList, const wxPoint& RefPos, SCH_COMPONENT** libpart )
-{
-    SCH_ITEM* item;
-    SCH_COMPONENT* component = NULL;
-    LIB_PIN* pin = NULL;
-
-    for( item = DrawList; item != NULL; item = item->Next() )
-    {
-        if( item->Type() != SCH_COMPONENT_T )
-            continue;
-
-        component = (SCH_COMPONENT*) item;
-
-        pin = (LIB_PIN*) component->GetDrawItem( RefPos, LIB_PIN_T );
-
-        if( pin )
-            break;
-    }
-
-    if( libpart )
-        *libpart = component;
-
-    return pin;
-}
-
-
 SCH_SHEET_PIN* LocateAnyPinSheet( const wxPoint& RefPos, SCH_ITEM* DrawList )
 {
     SCH_ITEM* DrawStruct;
@@ -366,7 +334,8 @@ SCH_SHEET_PIN* LocateAnyPinSheet( const wxPoint& RefPos, SCH_ITEM* DrawList )
         if( DrawStruct->Type() != SCH_SHEET_T )
             continue;
 
-        PinSheet = LocateSheetLabel( (SCH_SHEET*) DrawStruct, RefPos );
+        SCH_SHEET* sheet = (SCH_SHEET*) DrawStruct;
+        PinSheet = sheet->GetLabel( RefPos );
 
         if( PinSheet )
             break;

eeschema/onrightclick.cpp

@@ -70,8 +70,9 @@ bool SCH_EDIT_FRAME::OnRightClick( const wxPoint& MousePos, wxMenu* PopMenu )
 
         if( DrawStruct && (DrawStruct->Type() == SCH_SHEET_T) )
         {
-            SCH_SHEET_PIN* slabel;
-            slabel = LocateSheetLabel( (SCH_SHEET*) DrawStruct, GetScreen()->m_Curseur );
+            SCH_SHEET* sheet = (SCH_SHEET*) DrawStruct;
+            SCH_SHEET_PIN* slabel = sheet->GetLabel( GetScreen()->m_Curseur );
+
             if( slabel )
                 DrawStruct = slabel;
         }

eeschema/protos.h

@@ -114,12 +114,7 @@ SCH_COMPONENT*  LocateSmallestComponent( SCH_SCREEN* Screen );
  *     Pointer to the structure if only 1 item is selected.
  *     NULL if no items are selects.
  */
-SCH_ITEM*          PickStruct( const wxPoint& refpos, SCH_SCREEN* screen, int SearchMask );
-
-SCH_SHEET_PIN* LocateSheetLabel( SCH_SHEET* Sheet, const wxPoint& pos );
-LIB_PIN*       LocateAnyPin( SCH_ITEM*       DrawList,
-                             const wxPoint&  RefPos,
-                             SCH_COMPONENT** libpart = NULL );
+SCH_ITEM*      PickStruct( const wxPoint& refpos, SCH_SCREEN* screen, int SearchMask );
 
 SCH_SHEET_PIN* LocateAnyPinSheet( const wxPoint& RefPos, SCH_ITEM* DrawList );
 

eeschema/sch_screen.cpp

@@ -378,7 +378,8 @@ void SCH_SCREEN::ClearDrawingState()
 }
 
 
-LIB_PIN* SCH_SCREEN::GetPin( const wxPoint& aPosition, SCH_COMPONENT** aComponent )
+LIB_PIN* SCH_SCREEN::GetPin( const wxPoint& aPosition, SCH_COMPONENT** aComponent,
+                             bool aEndPointOnly )
 {
     SCH_ITEM* item;
     SCH_COMPONENT* component = NULL;
@@ -397,6 +398,9 @@ LIB_PIN* SCH_SCREEN::GetPin( const wxPoint& aPosition, SCH_COMPONENT** aComponen
             break;
     }
 
+    if( pin && aEndPointOnly && ( component->GetPinPhysicalPosition( pin ) != aPosition ) )
+        pin = NULL;
+
     if( aComponent )
         *aComponent = component;
 

include/class_sch_screen.h

@@ -128,7 +128,17 @@ public:
 
     int CountConnectedItems( const wxPoint& aPos, bool aTestJunctions ) const;
 
-    LIB_PIN* GetPin( const wxPoint& aPosition, SCH_COMPONENT** aComponent = NULL );
+    /**
+     * Function GetPin
+     * test the screen for a component pin item at \a aPosition.
+     * @param aPosition Position to test.
+     * @param aComponent The component if a pin was found, otherwise NULL.
+     * @param aEndPointOnly Set to true to test if \a aPosition is the connection
+     *                      point of the pin.
+     * @return The pin item if found, otherwise NULL.
+     */
+    LIB_PIN* GetPin( const wxPoint& aPosition, SCH_COMPONENT** aComponent = NULL,
+                     bool aEndPointOnly = false );
 
     /**
      * Function ClearAnnotation

include/wxEeschemaStruct.h

@@ -668,7 +668,6 @@ public:
     void     RepeatDrawItem( wxDC* DC );
 
     void     TestDanglingEnds( SCH_ITEM* DrawList, wxDC* DC );
-    LIB_PIN* LocatePinEnd( SCH_ITEM* DrawList, const wxPoint& pos );
 
     // ERC: