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kicad/eeschema/sch_screen.cpp

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#include "fctsys.h"
#include "gr_basic.h"
#include "common.h"
#include "kicad_string.h"
#include "eeschema_id.h"
#include "appl_wxstruct.h"
#include "class_drawpanel.h"
#include "sch_item_struct.h"
#include "class_sch_screen.h"
#include "wxEeschemaStruct.h"
#include "general.h"
#include "protos.h"
#include "netlist.h"
#include "class_library.h"
#include "sch_junction.h"
#include "sch_bus_entry.h"
#include "sch_line.h"
#include "sch_marker.h"
#include "sch_no_connect.h"
#include "sch_sheet.h"
#include "sch_component.h"
#include <boost/foreach.hpp>
/* Default EESchema zoom values. Limited to 17 values to keep a decent size
* to menus
*/
static int SchematicZoomList[] =
{
5, 7, 10, 15, 20, 30, 40, 60, 80, 120, 160, 230, 320, 480, 640, 800, 1280
};
#define SCHEMATIC_ZOOM_LIST_CNT ( sizeof( SchematicZoomList ) / sizeof( int ) )
#define MM_TO_SCH_UNITS 1000.0 / 25.4 //schematic internal unites are mils
/* Default grid sizes for the schematic editor.
* Do NOT add others values (mainly grid values in mm),
* because they can break the schematic:
* because wires and pins are considered as connected when the are to the same coordinate
* we cannot mix coordinates in mils (internal units) and mm
* (that cannot exactly converted in mils in many cases
* in fact schematic must only use 50 and 25 mils to place labels, wires and components
* others values are useful only for graphic items (mainly in library editor)
* so use integer values in mils only.
*/
static GRID_TYPE SchematicGridList[] = {
{ ID_POPUP_GRID_LEVEL_50, wxRealPoint( 50, 50 ) },
{ ID_POPUP_GRID_LEVEL_25, wxRealPoint( 25, 25 ) },
{ ID_POPUP_GRID_LEVEL_10, wxRealPoint( 10, 10 ) },
{ ID_POPUP_GRID_LEVEL_5, wxRealPoint( 5, 5 ) },
{ ID_POPUP_GRID_LEVEL_2, wxRealPoint( 2, 2 ) },
{ ID_POPUP_GRID_LEVEL_1, wxRealPoint( 1, 1 ) },
};
#define SCHEMATIC_GRID_LIST_CNT ( sizeof( SchematicGridList ) / sizeof( GRID_TYPE ) )
SCH_SCREEN::SCH_SCREEN( KICAD_T type ) : BASE_SCREEN( type )
{
size_t i;
SetDrawItems( NULL ); /* Schematic items list */
m_Zoom = 32;
for( i = 0; i < SCHEMATIC_ZOOM_LIST_CNT; i++ )
m_ZoomList.Add( SchematicZoomList[i] );
for( i = 0; i < SCHEMATIC_GRID_LIST_CNT; i++ )
AddGrid( SchematicGridList[i] );
SetGrid( wxRealPoint( 50, 50 ) ); /* Default grid size. */
m_refCount = 0;
m_Center = false; /* Suitable for schematic only. For
* libedit and viewlib, must be set
* to true */
InitDatas();
}
SCH_SCREEN::~SCH_SCREEN()
{
ClearUndoRedoList();
FreeDrawList();
}
void SCH_SCREEN::IncRefCount()
{
m_refCount++;
}
void SCH_SCREEN::DecRefCount()
{
wxCHECK_RET( m_refCount != 0,
wxT( "Screen reference count already zero. Bad programmer!" ) );
m_refCount--;
}
void SCH_SCREEN::FreeDrawList()
{
SCH_ITEM* DrawStruct;
while( GetDrawItems() != NULL )
{
DrawStruct = GetDrawItems();
SetDrawItems( GetDrawItems()->Next() );
SAFE_DELETE( DrawStruct );
}
SetDrawItems( NULL );
}
/* If found in GetDrawItems(), remove DrawStruct from GetDrawItems().
* DrawStruct is not deleted or modified
*/
void SCH_SCREEN::RemoveFromDrawList( SCH_ITEM * DrawStruct )
{
if( DrawStruct == GetDrawItems() )
{
SetDrawItems( GetDrawItems()->Next() );
}
else
{
EDA_ITEM* DrawList = GetDrawItems();
while( DrawList && DrawList->Next() )
{
if( DrawList->Next() == DrawStruct )
{
DrawList->SetNext( DrawList->Next()->Next() );
break;
}
DrawList = DrawList->Next();
}
}
}
void SCH_SCREEN::DeleteItem( SCH_ITEM* aItem )
{
wxCHECK_RET( aItem != NULL, wxT( "Cannot delete invaled item from screen." ) );
SetModify();
if( aItem->Type() == SCH_SHEET_LABEL_T )
{
// This structure is attached to a sheet, get the parent sheet object.
SCH_SHEET_PIN* sheetLabel = (SCH_SHEET_PIN*) aItem;
SCH_SHEET* sheet = sheetLabel->GetParent();
wxCHECK_RET( sheet != NULL,
wxT( "Sheet label parent not properly set, bad programmer!" ) );
sheet->RemoveLabel( sheetLabel );
return;
}
else
{
if( aItem == GetDrawItems() )
{
SetDrawItems( aItem->Next() );
SAFE_DELETE( aItem );
}
else
{
SCH_ITEM* itemList = GetDrawItems();
while( itemList && itemList->Next() )
{
if( itemList->Next() == aItem )
{
itemList->SetNext( aItem->Next() );
SAFE_DELETE( aItem );
return;
}
itemList = itemList->Next();
}
}
}
}
bool SCH_SCREEN::CheckIfOnDrawList( SCH_ITEM* st )
{
SCH_ITEM * itemList = GetDrawItems();
while( itemList )
{
if( itemList == st )
return true;
itemList = itemList->Next();
}
return false;
}
void SCH_SCREEN::AddToDrawList( SCH_ITEM* st )
{
st->SetNext( GetDrawItems() );
SetDrawItems( st );
}
int SCH_SCREEN::GetItems( const wxPoint& aPosition, SCH_ITEMS& aItemList ) const
{
for( SCH_ITEM* item = GetDrawItems(); item != NULL; item = item->Next() )
{
if( item->HitTest( aPosition ) )
aItemList.push_back( item );
}
return aItemList.size();
}
int SCH_SCREEN::GetItems( const wxPoint& aPosition, PICKED_ITEMS_LIST& aItemList,
int aAccuracy, int aFilter ) const
{
for( SCH_ITEM* item = GetDrawItems(); item != NULL; item = item->Next() )
{
if( item->HitTest( aPosition, aAccuracy, (SCH_FILTER_T) aFilter ) )
{
ITEM_PICKER picker( (EDA_ITEM*) item );
aItemList.PushItem( picker );
}
}
return aItemList.GetCount();
}
SCH_ITEM* SCH_SCREEN::GetItem( const wxPoint& aPosition, int aAccuracy, int aFilter ) const
{
for( SCH_ITEM* item = GetDrawItems(); item != NULL; item = item->Next() )
{
if( item->HitTest( aPosition, aAccuracy, (SCH_FILTER_T) aFilter ) )
{
if( (aFilter & FIELD_T) && (item->Type() == SCH_COMPONENT_T) )
{
SCH_COMPONENT* component = (SCH_COMPONENT*) item;
for( int i = REFERENCE; i < component->GetFieldCount(); i++ )
{
SCH_FIELD* field = component->GetField( i );
if( field->HitTest( aPosition, aAccuracy ) )
return (SCH_ITEM*) field;
}
if( !(aFilter & COMPONENT_T) )
return NULL;
}
return item;
}
}
return NULL;
}
SCH_ITEM* SCH_SCREEN::ExtractWires( bool CreateCopy )
{
SCH_ITEM* item, * next_item, * new_item, * List = NULL;
for( item = GetDrawItems(); item != NULL; item = next_item )
{
next_item = item->Next();
switch( item->Type() )
{
case SCH_JUNCTION_T:
case SCH_LINE_T:
RemoveFromDrawList( item );
item->SetNext( List );
List = item;
if( CreateCopy )
{
new_item = item->Clone();
new_item->SetNext( GetDrawItems() );
SetDrawItems( new_item );
}
break;
default:
break;
}
}
return List;
}
void SCH_SCREEN::ReplaceWires( SCH_ITEM* aWireList )
{
SCH_ITEM* item;
SCH_ITEM* next_item;
for( item = GetDrawItems(); item != NULL; item = next_item )
{
next_item = item->Next();
switch( item->Type() )
{
case SCH_JUNCTION_T:
case SCH_LINE_T:
RemoveFromDrawList( item );
delete item;
break;
default:
break;
}
}
while( aWireList )
{
next_item = aWireList->Next();
aWireList->SetNext( GetDrawItems() );
SetDrawItems( aWireList );
aWireList = next_item;
}
}
void SCH_SCREEN::MarkConnections( SCH_LINE* aSegment )
{
wxCHECK_RET( (aSegment != NULL) && (aSegment->Type() == SCH_LINE_T),
wxT( "Invalid object pointer." ) );
for( SCH_ITEM* item = GetDrawItems(); item != NULL; item = item->Next() )
{
if( item->GetFlags() & CANDIDATE )
continue;
if( item->Type() == SCH_JUNCTION_T )
{
SCH_JUNCTION* junction = (SCH_JUNCTION*) item;
if( aSegment->IsEndPoint( junction->m_Pos ) )
item->SetFlags( CANDIDATE );
continue;
}
if( item->Type() != SCH_LINE_T )
continue;
SCH_LINE* segment = (SCH_LINE*) item;
if( aSegment->IsEndPoint( segment->m_Start ) && !GetPin( segment->m_Start, NULL, true ) )
{
item->SetFlags( CANDIDATE );
MarkConnections( segment );
}
if( aSegment->IsEndPoint( segment->m_End ) && !GetPin( segment->m_End, NULL, true ) )
{
item->SetFlags( CANDIDATE );
MarkConnections( segment );
}
}
}
bool SCH_SCREEN::IsJunctionNeeded( const wxPoint& aPosition ) const
{
if( GetItem( aPosition, 0, JUNCTION_T ) )
return false;
if( GetItem( aPosition, 0, WIRE_T | EXCLUDE_ENDPOINTS_T ) )
{
if( GetItem( aPosition, 0, WIRE_T | ENDPOINTS_ONLY_T ) )
return true;
if( GetPin( aPosition, NULL, true ) )
return true;
}
return false;
}
/* Routine cleaning:
* - Includes segments or buses aligned in only 1 segment
* - Detects identical objects superimposed
*/
bool SCH_SCREEN::SchematicCleanUp( EDA_DRAW_PANEL* aCanvas, wxDC* aDC )
{
SCH_ITEM* DrawList, * TstDrawList;
bool Modify = false;
DrawList = GetDrawItems();
for( ; DrawList != NULL; DrawList = DrawList->Next() )
{
if( DrawList->Type() == SCH_LINE_T )
{
TstDrawList = DrawList->Next();
while( TstDrawList )
{
if( TstDrawList->Type() == SCH_LINE_T )
{
SCH_LINE* line = (SCH_LINE*) DrawList;
if( line->MergeOverlap( (SCH_LINE*) TstDrawList ) )
{
// Keep the current flags, because the deleted segment can be flagged.
DrawList->SetFlags( TstDrawList->GetFlags() );
DeleteItem( TstDrawList );
TstDrawList = GetDrawItems();
Modify = true;
}
else
{
TstDrawList = TstDrawList->Next();
}
}
else
{
TstDrawList = TstDrawList->Next();
}
}
}
}
TestDanglingEnds( aCanvas, aDC );
if( aCanvas && Modify )
aCanvas->Refresh();
return Modify;
}
/**
* Function Save
* writes the data structures for this object out to a FILE in "*.sch" format.
* @param aFile The FILE to write to.
* @return bool - true if success writing else false.
*/
bool SCH_SCREEN::Save( FILE* aFile ) const
{
// Creates header
if( fprintf( aFile, "%s %s %d", EESCHEMA_FILE_STAMP,
SCHEMATIC_HEAD_STRING, EESCHEMA_VERSION ) < 0
|| fprintf( aFile, " date %s\n", TO_UTF8( DateAndTime() ) ) < 0 )
return false;
BOOST_FOREACH( const CMP_LIBRARY& lib, CMP_LIBRARY::GetLibraryList() )
{
if( fprintf( aFile, "LIBS:%s\n", TO_UTF8( lib.GetName() ) ) < 0 )
return false;
}
if( fprintf( aFile, "EELAYER %2d %2d\n", g_LayerDescr.NumberOfLayers,
g_LayerDescr.CurrentLayer ) < 0
|| fprintf( aFile, "EELAYER END\n" ) < 0 )
return false;
/* Write page info, ScreenNumber and NumberOfScreen; not very meaningful for
* SheetNumber and Sheet Count in a complex hierarchy, but useful in
* simple hierarchy and flat hierarchy. Used also to search the root
* sheet ( ScreenNumber = 1 ) within the files
*/
if( fprintf( aFile, "$Descr %s %d %d\n", TO_UTF8( m_CurrentSheetDesc->m_Name ),
m_CurrentSheetDesc->m_Size.x, m_CurrentSheetDesc->m_Size.y ) < 0
|| fprintf( aFile, "encoding utf-8\n") < 0
|| fprintf( aFile, "Sheet %d %d\n", m_ScreenNumber, m_NumberOfScreen ) < 0
|| fprintf( aFile, "Title \"%s\"\n", TO_UTF8( m_Title ) ) < 0
|| fprintf( aFile, "Date \"%s\"\n", TO_UTF8( m_Date ) ) < 0
|| fprintf( aFile, "Rev \"%s\"\n", TO_UTF8( m_Revision ) ) < 0
|| fprintf( aFile, "Comp \"%s\"\n", TO_UTF8( m_Company ) ) < 0
|| fprintf( aFile, "Comment1 \"%s\"\n", TO_UTF8( m_Commentaire1 ) ) < 0
|| fprintf( aFile, "Comment2 \"%s\"\n", TO_UTF8( m_Commentaire2 ) ) < 0
|| fprintf( aFile, "Comment3 \"%s\"\n", TO_UTF8( m_Commentaire3 ) ) < 0
|| fprintf( aFile, "Comment4 \"%s\"\n", TO_UTF8( m_Commentaire4 ) ) < 0
|| fprintf( aFile, "$EndDescr\n" ) < 0 )
return false;
for( SCH_ITEM* item = GetDrawItems(); item; item = item->Next() )
{
if( !item->Save( aFile ) )
return false;
}
if( fprintf( aFile, "$EndSCHEMATC\n" ) < 0 )
return false;
return true;
}
void SCH_SCREEN::Draw( EDA_DRAW_PANEL* aCanvas, wxDC* aDC, int aDrawMode, int aColor )
{
for( SCH_ITEM* item = GetDrawItems(); item != NULL; item = item->Next() )
{
if( item->IsMoving() )
continue;
// uncomment line below when there is a virtual
// EDA_ITEM::GetBoundingBox()
// if( panel->m_ClipBox.Intersects( Structs->GetBoundingBox()
// ) )
item->Draw( aCanvas, aDC, wxPoint( 0, 0 ), aDrawMode, aColor );
}
}
void SCH_SCREEN::ClearUndoORRedoList( UNDO_REDO_CONTAINER& aList, int aItemCount )
{
if( aItemCount == 0 )
return;
unsigned icnt = aList.m_CommandsList.size();
if( aItemCount > 0 )
icnt = aItemCount;
for( unsigned ii = 0; ii < icnt; ii++ )
{
if( aList.m_CommandsList.size() == 0 )
break;
PICKED_ITEMS_LIST* curr_cmd = aList.m_CommandsList[0];
aList.m_CommandsList.erase( aList.m_CommandsList.begin() );
curr_cmd->ClearListAndDeleteItems();
delete curr_cmd; // Delete command
}
}
void SCH_SCREEN::ClearDrawingState()
{
for( SCH_ITEM* item = GetDrawItems(); item != NULL; item = item->Next() )
item->ClearFlags();
}
LIB_PIN* SCH_SCREEN::GetPin( const wxPoint& aPosition, SCH_COMPONENT** aComponent,
bool aEndPointOnly ) const
{
SCH_ITEM* item;
SCH_COMPONENT* component = NULL;
LIB_PIN* pin = NULL;
for( item = GetDrawItems(); item != NULL; item = item->Next() )
{
if( item->Type() != SCH_COMPONENT_T )
continue;
component = (SCH_COMPONENT*) item;
pin = (LIB_PIN*) component->GetDrawItem( aPosition, LIB_PIN_T );
if( pin )
break;
}
if( pin && aEndPointOnly && ( component->GetPinPhysicalPosition( pin ) != aPosition ) )
pin = NULL;
if( aComponent )
*aComponent = component;
return pin;
}
SCH_SHEET_PIN* SCH_SCREEN::GetSheetLabel( const wxPoint& aPosition )
{
SCH_SHEET_PIN* sheetLabel = NULL;
for( SCH_ITEM* item = GetDrawItems(); item != NULL; item = item->Next() )
{
if( item->Type() != SCH_SHEET_T )
continue;
SCH_SHEET* sheet = (SCH_SHEET*) item;
sheetLabel = sheet->GetLabel( aPosition );
if( sheetLabel )
break;
}
return sheetLabel;
}
int SCH_SCREEN::CountConnectedItems( const wxPoint& aPos, bool aTestJunctions ) const
{
SCH_ITEM* item;
int count = 0;
for( item = GetDrawItems(); item != NULL; item = item->Next() )
{
if( item->Type() == SCH_JUNCTION_T && !aTestJunctions )
continue;
if( item->IsConnected( aPos ) )
count++;
}
return count;
}
void SCH_SCREEN::ClearAnnotation( SCH_SHEET_PATH* aSheetPath )
{
for( SCH_ITEM* item = GetDrawItems(); item != NULL; item = item->Next() )
{
if( item->Type() == SCH_COMPONENT_T )
{
SCH_COMPONENT* component = (SCH_COMPONENT*) item;
component->ClearAnnotation( aSheetPath );
}
}
}
void SCH_SCREEN::GetHierarchicalItems( std::vector <SCH_ITEM*>& aItems )
{
SCH_ITEM* item = GetDrawItems();
while( item )
{
if( ( item->Type() == SCH_SHEET_T ) || ( item->Type() == SCH_COMPONENT_T ) )
aItems.push_back( item );
item = item->Next();
}
}
void SCH_SCREEN::SelectBlockItems()
{
SCH_ITEM* item;
PICKED_ITEMS_LIST* pickedlist = &m_BlockLocate.m_ItemsSelection;
if( pickedlist->GetCount() == 0 )
return;
ClearDrawingState();
for( unsigned ii = 0; ii < pickedlist->GetCount(); ii++ )
{
item = (SCH_ITEM*) pickedlist->GetPickedItem( ii );
item->SetFlags( SELECTED );
}
if( !m_BlockLocate.IsDragging() )
return;
// Select all the items in the screen connected to the items in the block.
// be sure end lines that are on the block limits are seen inside this block
m_BlockLocate.Inflate(1);
unsigned last_select_id = pickedlist->GetCount();
unsigned ii = 0;
for( ; ii < last_select_id; ii++ )
{
item = (SCH_ITEM*)pickedlist->GetPickedItem( ii );
if( item->Type() == SCH_LINE_T )
{
item->IsSelectStateChanged( m_BlockLocate );
if( ( item->GetFlags() & SELECTED ) == 0 )
{ // This is a special case:
// this selected wire has no ends in block.
// But it was selected (because it intersects the selecting area),
// so we must keep it selected and select items connected to it
// Note: an other option could be: remove it from drag list
item->SetFlags( SELECTED | SKIP_STRUCT );
std::vector< wxPoint > connections;
item->GetConnectionPoints( connections );
for( size_t i = 0; i < connections.size(); i++ )
addConnectedItemsToBlock( connections[i] );
}
pickedlist->SetPickerFlags( item->GetFlags(), ii );
}
else if( item->IsConnectable() )
{
std::vector< wxPoint > connections;
item->GetConnectionPoints( connections );
for( size_t i = 0; i < connections.size(); i++ )
addConnectedItemsToBlock( connections[i] );
}
}
m_BlockLocate.Inflate(-1);
}
void SCH_SCREEN::addConnectedItemsToBlock( const wxPoint& position )
{
SCH_ITEM* item;
ITEM_PICKER picker;
bool addinlist = true;
for( item = GetDrawItems(); item != NULL; item = item->Next() )
{
picker.SetItem( item );
picker.SetItemType( item->Type() );
if( !item->IsConnectable() || !item->IsConnected( position )
|| (item->GetFlags() & SKIP_STRUCT) )
continue;
if( item->IsSelected() && item->Type() != SCH_LINE_T )
continue;
// A line having 2 ends, it can be tested twice: one time per end
if( item->Type() == SCH_LINE_T )
{
if( ! item->IsSelected() ) // First time this line is tested
item->SetFlags( SELECTED | STARTPOINT | ENDPOINT );
else // second time (or more) this line is tested
addinlist = false;
SCH_LINE* line = (SCH_LINE*) item;
if( line->m_Start == position )
item->ClearFlags( STARTPOINT );
else if( line->m_End == position )
item->ClearFlags( ENDPOINT );
}
else
item->SetFlags( SELECTED );
if( addinlist )
{
picker.m_PickerFlags = item->GetFlags();
m_BlockLocate.m_ItemsSelection.PushItem( picker );
}
}
}
int SCH_SCREEN::UpdatePickList()
{
ITEM_PICKER picker;
EDA_Rect area;
area.SetOrigin( m_BlockLocate.GetOrigin());
area.SetSize( m_BlockLocate.GetSize() );
area.Normalize();
for( SCH_ITEM* item = GetDrawItems(); item != NULL; item = item->Next() )
{
// An item is picked if its bounding box intersects the reference area.
if( item->HitTest( area ) )
{
picker.SetItem( item );
picker.SetItemType( item->Type() );
m_BlockLocate.PushItem( picker );
}
}
return m_BlockLocate.GetCount();
}
bool SCH_SCREEN::TestDanglingEnds( EDA_DRAW_PANEL* aCanvas, wxDC* aDC )
{
SCH_ITEM* item;
std::vector< DANGLING_END_ITEM > endPoints;
bool hasDanglingEnds = false;
for( item = GetDrawItems(); item != NULL; item = item->Next() )
item->GetEndPoints( endPoints );
for( item = GetDrawItems(); item; item = item->Next() )
{
if( item->IsDanglingStateChanged( endPoints ) && ( aCanvas != NULL ) && ( aDC != NULL ) )
{
item->Draw( aCanvas, aDC, wxPoint( 0, 0 ), g_XorMode );
item->Draw( aCanvas, aDC, wxPoint( 0, 0 ), GR_DEFAULT_DRAWMODE );
}
if( item->IsDangling() )
hasDanglingEnds = true;
}
return hasDanglingEnds;
}
bool SCH_SCREEN::BreakSegment( const wxPoint& aPoint )
{
SCH_LINE* segment;
SCH_LINE* newSegment;
bool brokenSegments = false;
SCH_FILTER_T filter = ( SCH_FILTER_T ) ( WIRE_T | BUS_T | EXCLUDE_ENDPOINTS_T );
for( SCH_ITEM* item = GetDrawItems(); item != NULL; item = item->Next() )
{
if( item->Type() != SCH_LINE_T )
continue;
segment = (SCH_LINE*) item;
if( !segment->HitTest( aPoint, 0, filter ) )
continue;
// Break the segment at aPoint and create a new segment.
newSegment = new SCH_LINE( *segment );
newSegment->m_Start = aPoint;
segment->m_End = newSegment->m_Start;
newSegment->SetNext( segment->Next() );
segment->SetNext( newSegment );
item = newSegment;
brokenSegments = true;
}
return brokenSegments;
}
bool SCH_SCREEN::BreakSegmentsOnJunctions()
{
bool brokenSegments = false;
for( SCH_ITEM* item = GetDrawItems(); item != NULL; item = item->Next() )
{
if( item->Type() == SCH_JUNCTION_T )
{
SCH_JUNCTION* junction = ( SCH_JUNCTION* ) item;
if( BreakSegment( junction->m_Pos ) )
brokenSegments = true;
}
else if( item->Type() == SCH_BUS_ENTRY_T )
{
SCH_BUS_ENTRY* busEntry = ( SCH_BUS_ENTRY* ) item;
if( BreakSegment( busEntry->m_Pos ) || BreakSegment( busEntry->m_End() ) )
brokenSegments = true;
}
}
return brokenSegments;
}
/******************************************************************/
/* Class SCH_SCREENS to handle the list of screens in a hierarchy */
/******************************************************************/
/**
* Function SortByTimeStamp
* sorts a list of schematic items by time stamp and type.
*/
static bool SortByTimeStamp( const SCH_ITEM* item1, const SCH_ITEM* item2 )
{
int ii = item1->m_TimeStamp - item2->m_TimeStamp;
/* If the time stamps are the same, compare type in order to have component objects
* before sheet object. This is done because changing the sheet time stamp
* before the component time stamp could cause the current annotation to be lost.
*/
if( ( ii == 0 && ( item1->Type() != item2->Type() ) ) && ( item1->Type() == SCH_SHEET_T ) )
ii = -1;
return ii < 0;
}
SCH_SCREENS::SCH_SCREENS()
{
m_index = 0;
BuildScreenList( g_RootSheet );
}
SCH_SCREENS::~SCH_SCREENS()
{
}
SCH_SCREEN* SCH_SCREENS::GetFirst()
{
m_index = 0;
if( m_screens.size() > 0 )
return m_screens[0];
return NULL;
}
SCH_SCREEN* SCH_SCREENS::GetNext()
{
if( m_index < m_screens.size() )
m_index++;
return GetScreen( m_index );
}
SCH_SCREEN* SCH_SCREENS::GetScreen( unsigned int aIndex )
{
if( aIndex < m_screens.size() )
return m_screens[ aIndex ];
return NULL;
}
void SCH_SCREENS::AddScreenToList( SCH_SCREEN* aScreen )
{
if( aScreen == NULL )
return;
for( unsigned int i = 0; i < m_screens.size(); i++ )
{
if( m_screens[i] == aScreen )
return;
}
m_screens.push_back( aScreen );
}
void SCH_SCREENS::BuildScreenList( EDA_ITEM* aItem )
{
if( aItem && aItem->Type() == SCH_SHEET_T )
{
SCH_SHEET* ds = (SCH_SHEET*) aItem;
aItem = ds->GetScreen();
}
if( aItem && aItem->Type() == SCH_SCREEN_T )
{
SCH_SCREEN* screen = (SCH_SCREEN*) aItem;
AddScreenToList( screen );
EDA_ITEM* strct = screen->GetDrawItems();
while( strct )
{
if( strct->Type() == SCH_SHEET_T )
{
BuildScreenList( strct );
}
strct = strct->Next();
}
}
}
void SCH_SCREENS::ClearAnnotation()
{
for( size_t i = 0; i < m_screens.size(); i++ )
m_screens[i]->ClearAnnotation( NULL );
}
void SCH_SCREENS::SchematicCleanUp()
{
for( size_t i = 0; i < m_screens.size(); i++ )
{
// if wire list has changed, delete the undo/redo list to avoid
// pointer problems with deleted data.
if( m_screens[i]->SchematicCleanUp() )
m_screens[i]->ClearUndoRedoList();
}
}
int SCH_SCREENS::ReplaceDuplicateTimeStamps()
{
std::vector <SCH_ITEM*> items;
SCH_ITEM* item;
for( size_t i = 0; i < m_screens.size(); i++ )
m_screens[i]->GetHierarchicalItems( items );
if( items.size() < 2 )
return 0;
sort( items.begin(), items.end(), SortByTimeStamp );
int count = 0;
for( size_t ii = 0; ii < items.size() - 1; ii++ )
{
item = items[ii];
SCH_ITEM* nextItem = items[ii + 1];
if( item->m_TimeStamp == nextItem->m_TimeStamp )
{
count++;
// for a component, update its Time stamp and its paths
// (m_PathsAndReferences field)
if( item->Type() == SCH_COMPONENT_T )
( (SCH_COMPONENT*) item )->SetTimeStamp( GetTimeStamp() );
// for a sheet, update only its time stamp (annotation of its
// components will be lost)
// @todo: see how to change sheet paths for its cmp list (can
// be possible in most cases)
else
item->m_TimeStamp = GetTimeStamp();
}
}
return count;
}
void SCH_SCREENS::SetDate( const wxString& aDate )
{
for( size_t i = 0; i < m_screens.size(); i++ )
m_screens[i]->m_Date = aDate;
}
void SCH_SCREENS::DeleteAllMarkers( int aMarkerType )
{
SCH_ITEM* item;
SCH_ITEM* nextItem;
SCH_MARKER* marker;
SCH_SCREEN* screen;
for( screen = GetFirst(); screen != NULL; screen = GetNext() )
{
for( item = screen->GetDrawItems(); item != NULL; item = nextItem )
{
nextItem = item->Next();
if( item->Type() != SCH_MARKER_T )
continue;
marker = (SCH_MARKER*) item;
if( marker->GetMarkerType() != aMarkerType )
continue;
screen->DeleteItem( marker );
}
}
}
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