bool SELECTION_TOOL::selectCursor( const VECTOR2I& aWhere, bool aOnDrag )
{
BOARD_ITEM* item;
GENERAL_COLLECTORS_GUIDE guide = m_frame->GetCollectorsGuide();
GENERAL_COLLECTOR collector;
if( m_editModules )
collector.Collect( getModel<BOARD>(), GENERAL_COLLECTOR::ModuleItems,
wxPoint( aWhere.x, aWhere.y ), guide );
else
collector.Collect( getModel<BOARD>(), GENERAL_COLLECTOR::AllBoardItems,
wxPoint( aWhere.x, aWhere.y ), guide );
bool anyCollected = collector.GetCount() != 0;
// Remove unselectable items
for( int i = collector.GetCount() - 1; i >= 0; --i )
{
if( !selectable( collector[i] ) || ( aOnDrag && collector[i]->IsLocked() ) )
collector.Remove( i );
}
switch( collector.GetCount() )
{
case 0:
if( !m_additive && anyCollected )
clearSelection();
return false;
case 1:
toggleSelection( collector[0] );
return true;
default:
// Apply some ugly heuristics to avoid disambiguation menus whenever possible
guessSelectionCandidates( collector );
// Let's see if there is still disambiguation in selection..
if( collector.GetCount() == 1 )
{
toggleSelection( collector[0] );
return true;
}
else if( collector.GetCount() > 1 )
{
if( aOnDrag )
Wait( TOOL_EVENT( TC_ANY, TA_MOUSE_UP, BUT_LEFT ) );
item = disambiguationMenu( &collector );
if( item )
{
toggleSelection( item );
return true;
}
}
break;
}
return false;
}
bool SELECTION_TOOL::selectSingle( const VECTOR2I& aWhere, bool aAllowDisambiguation )
{
BOARD_ITEM* item;
GENERAL_COLLECTORS_GUIDE guide = m_frame->GetCollectorsGuide();
GENERAL_COLLECTOR collector;
// Preferred types (they have the priority when if they are covered by a bigger item)
const KICAD_T types[] = { PCB_TRACE_T, PCB_VIA_T, PCB_LINE_T, PCB_MODULE_TEXT_T, EOT };
if( m_editModules )
collector.Collect( getModel<BOARD>(), GENERAL_COLLECTOR::ModuleItems,
wxPoint( aWhere.x, aWhere.y ), guide );
else
collector.Collect( getModel<BOARD>(), GENERAL_COLLECTOR::AllBoardItems,
wxPoint( aWhere.x, aWhere.y ), guide );
switch( collector.GetCount() )
{
case 0:
if( !m_additive )
clearSelection();
return false;
case 1:
toggleSelection( collector[0] );
return true;
default:
// Remove unselectable items
for( int i = collector.GetCount() - 1; i >= 0; --i )
{
if( !selectable( collector[i] ) )
collector.Remove( i );
}
// Check if among the selection candidates there is only one instance of preferred type
item = prefer( collector, types );
if( item )
{
toggleSelection( item );
return true;
}
// Let's see if there is still disambiguation in selection..
if( collector.GetCount() == 1 )
{
toggleSelection( collector[0] );
return true;
}
else if( aAllowDisambiguation && collector.GetCount() > 1 )
{
item = disambiguationMenu( &collector );
if( item )
{
toggleSelection( item );
return true;
}
}
break;
}
return false;
}
