576 lines
19 KiB
C++
576 lines
19 KiB
C++
/************************************/
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/* Delete.cpp: routines d'effacement */
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/************************************/
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#include "fctsys.h"
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#include "gr_basic.h"
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#include "common.h"
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#include "program.h"
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#include "libcmp.h"
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#include "general.h"
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#include "protos.h"
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/********************************************************************************/
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static int CountConnectedItems( WinEDA_SchematicFrame* frame,
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SCH_ITEM* ListStruct, wxPoint pos, bool TstJunction )
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/********************************************************************************/
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/* Count number of items connected to point pos :
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* pins, end wire or bus, and junctions if TstJunction == TRUE
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* Return this count
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*
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* Used by WinEDA_SchematicFrame::DeleteConnection()
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*/
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{
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SCH_ITEM* Struct;
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int count = 0;
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if( frame->LocatePinEnd( ListStruct, pos ) )
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count++;
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for( Struct = ListStruct; Struct != NULL; Struct = Struct->Next() )
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{
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if( Struct->m_Flags & STRUCT_DELETED )
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continue;
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if( Struct->m_Flags & SKIP_STRUCT )
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continue;
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if( TstJunction && (Struct->Type() == DRAW_JUNCTION_STRUCT_TYPE) )
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{
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#define JUNCTION ( (DrawJunctionStruct*) Struct )
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if( (JUNCTION->m_Pos.x == pos.x) && (JUNCTION->m_Pos.y == pos.y) )
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count++;
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#undef JUNCTION
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}
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if( Struct->Type() != DRAW_SEGMENT_STRUCT_TYPE )
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continue;
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#define SEGM ( (EDA_DrawLineStruct*) Struct )
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if( SEGM->IsOneEndPointAt( pos ) )
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count++;
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#undef SEGM
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}
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return count;
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}
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/************************************************************************************/
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static bool MarkConnected( WinEDA_SchematicFrame* frame, SCH_ITEM* ListStruct,
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EDA_DrawLineStruct* segment )
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/************************************************************************************/
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/* Mark to "CANDIDATE" all wires or junction connected to "segment" in list "ListStruct"
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* Search wire stop at an any pin
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*
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* Used by WinEDA_SchematicFrame::DeleteConnection()
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*/
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{
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EDA_BaseStruct* Struct;
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for( Struct = ListStruct; Struct != NULL; Struct = Struct->Next() )
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{
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if( Struct->m_Flags )
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continue;
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if( Struct->Type() == DRAW_JUNCTION_STRUCT_TYPE )
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{
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#define JUNCTION ( (DrawJunctionStruct*) Struct )
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if( segment->IsOneEndPointAt( JUNCTION->m_Pos ) )
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Struct->m_Flags |= CANDIDATE;
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continue;
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#undef JUNCTION
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}
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if( Struct->Type() != DRAW_SEGMENT_STRUCT_TYPE )
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continue;
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#define SEGM ( (EDA_DrawLineStruct*) Struct )
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if( segment->IsOneEndPointAt( SEGM->m_Start ) )
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{
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if( !frame->LocatePinEnd( ListStruct, SEGM->m_Start ) )
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{
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Struct->m_Flags |= CANDIDATE;
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MarkConnected( frame, ListStruct, SEGM );
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}
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}
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if( segment->IsOneEndPointAt( SEGM->m_End ) )
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{
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if( !frame->LocatePinEnd( ListStruct, SEGM->m_End ) )
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{
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Struct->m_Flags |= CANDIDATE;
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MarkConnected( frame, ListStruct, SEGM );
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}
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}
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#undef SEGM
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}
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return TRUE;
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}
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/********************************************************************************/
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void WinEDA_SchematicFrame::DeleteConnection( wxDC* DC, bool DeleteFullConnection )
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/********************************************************************************/
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/* Delete a connection, i.e wires or bus connected
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* stop on a node (more than 2 wires (bus) connected)
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*/
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{
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wxPoint refpos = GetScreen()->m_Curseur;
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SCH_ITEM* DelStruct;
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DrawPickedStruct* PickedItem, * PickedList = NULL;
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/* Clear .m_Flags member for all items */
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for( DelStruct = GetScreen()->EEDrawList; DelStruct != NULL; DelStruct = DelStruct->Next() )
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DelStruct->m_Flags = 0;
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BreakSegmentOnJunction( (SCH_SCREEN*) GetScreen() );
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DelStruct = GetScreen()->EEDrawList;
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/* Locate all the wires, bus or junction under the mouse cursor, and put them in a list
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* of items to delete
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*/
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SCH_SCREEN* screen = (SCH_SCREEN*) GetScreen();
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SCH_ITEM* savedEEDrawList = screen->EEDrawList;
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while( DelStruct
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&& ( DelStruct = PickStruct( screen->m_Curseur,
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screen, JUNCTIONITEM | WIREITEM | BUSITEM ) ) != NULL )
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{
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DelStruct->m_Flags = SELECTEDNODE | STRUCT_DELETED;
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/* Put this structure in the picked list: */
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PickedItem = new DrawPickedStruct( DelStruct );
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PickedItem->Pnext = PickedList;
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PickedList = PickedItem;
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DelStruct = DelStruct->Next();
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screen->EEDrawList = DelStruct;
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}
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GetScreen()->EEDrawList = savedEEDrawList;
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/* Mark all wires, junctions, .. connected to one of the item to delete
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*/
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if( DeleteFullConnection )
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{
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for( DelStruct = GetScreen()->EEDrawList; DelStruct != NULL; DelStruct = DelStruct->Next() )
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{
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if( !(DelStruct->m_Flags & SELECTEDNODE) )
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continue;
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#define SEGM ( (EDA_DrawLineStruct*) DelStruct )
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if( DelStruct->Type() != DRAW_SEGMENT_STRUCT_TYPE )
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continue;
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MarkConnected( this, GetScreen()->EEDrawList, SEGM );
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#undef SEGM
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}
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// Search all removable wires (i.e wire with one new dangling end )
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for( DelStruct = GetScreen()->EEDrawList; DelStruct != NULL; DelStruct = DelStruct->Next() )
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{
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bool noconnect = FALSE;
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if( DelStruct->m_Flags & STRUCT_DELETED )
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continue; // Already seen
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if( !(DelStruct->m_Flags & CANDIDATE) )
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continue; // Already seen
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if( DelStruct->Type() != DRAW_SEGMENT_STRUCT_TYPE )
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continue;
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DelStruct->m_Flags |= SKIP_STRUCT;
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#define SEGM ( (EDA_DrawLineStruct*) DelStruct )
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/* Test the SEGM->m_Start point: if this point was connected to an STRUCT_DELETED wire,
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* and now is not connected, the wire can be deleted */
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EDA_BaseStruct* removed_struct;
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for( removed_struct = GetScreen()->EEDrawList;
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removed_struct != NULL;
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removed_struct = removed_struct->Pnext )
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{
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if( (removed_struct->m_Flags & STRUCT_DELETED) == 0 )
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continue;
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if( removed_struct->Type() != DRAW_SEGMENT_STRUCT_TYPE )
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continue;
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#define WIRE ( (EDA_DrawLineStruct*) removed_struct )
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if( WIRE->IsOneEndPointAt( SEGM->m_Start ) )
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break;
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}
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if( WIRE && !CountConnectedItems( this, GetScreen()->EEDrawList, SEGM->m_Start, TRUE ) )
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noconnect = TRUE;
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/* Test the SEGM->m_End point: if this point was connected to an STRUCT_DELETED wire,
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* and now is not connected, the wire can be deleted */
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for( removed_struct = GetScreen()->EEDrawList;
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removed_struct != NULL;
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removed_struct = removed_struct->Pnext )
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{
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if( (removed_struct->m_Flags & STRUCT_DELETED) == 0 )
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continue;
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if( removed_struct->Type() != DRAW_SEGMENT_STRUCT_TYPE )
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continue;
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if( WIRE->IsOneEndPointAt( SEGM->m_End ) )
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break;
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}
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if( removed_struct &&
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!CountConnectedItems( this, GetScreen()->EEDrawList, SEGM->m_End, TRUE ) )
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noconnect = TRUE;
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DelStruct->m_Flags &= ~SKIP_STRUCT;
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if( noconnect )
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{
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DelStruct->m_Flags |= STRUCT_DELETED;
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/* Put this structure in the picked list: */
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PickedItem = new DrawPickedStruct( DelStruct );
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PickedItem->Pnext = PickedList;
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PickedList = PickedItem;
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DelStruct = GetScreen()->EEDrawList;
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}
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#undef SEGM
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}
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// Delete redundant junctions (junctions which connect < 3 end wires and no pin are removed)
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for( DelStruct = GetScreen()->EEDrawList; DelStruct != NULL; DelStruct = DelStruct->Next() )
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{
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int count;
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if( DelStruct->m_Flags & STRUCT_DELETED )
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continue;
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if( !(DelStruct->m_Flags & CANDIDATE) )
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continue;
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if( DelStruct->Type() == DRAW_JUNCTION_STRUCT_TYPE )
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{
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#define JUNCTION ( (DrawJunctionStruct*) DelStruct )
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count = CountConnectedItems( this, GetScreen()->EEDrawList, JUNCTION->m_Pos, FALSE );
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if( count <= 2 )
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{
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DelStruct->m_Flags |= STRUCT_DELETED;
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/* Put this structure in the picked list: */
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PickedItem = new DrawPickedStruct( DelStruct );
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PickedItem->Pnext = PickedList;
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PickedList = PickedItem;
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}
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#undef JUNCTION
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}
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}
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// Delete labels attached to wires
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wxPoint pos = GetScreen()->m_Curseur;
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for( DelStruct = GetScreen()->EEDrawList; DelStruct != NULL; DelStruct = DelStruct->Next() )
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{
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if( DelStruct->m_Flags & STRUCT_DELETED )
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continue;
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if( DelStruct->Type() != TYPE_SCH_LABEL )
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continue;
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GetScreen()->m_Curseur = ( (SCH_TEXT*) DelStruct )->m_Pos;
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EDA_BaseStruct* TstStruct =
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PickStruct( GetScreen()->m_Curseur, GetScreen(), WIREITEM | BUSITEM );
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if( TstStruct && TstStruct->m_Flags & STRUCT_DELETED )
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{
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DelStruct->m_Flags |= STRUCT_DELETED;
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/* Put this structure in the picked list: */
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PickedItem = new DrawPickedStruct( DelStruct );
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PickedItem->Pnext = PickedList;
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PickedList = PickedItem;
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}
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}
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GetScreen()->m_Curseur = pos;
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}
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for( DelStruct = GetScreen()->EEDrawList; DelStruct != NULL; DelStruct = DelStruct->Next() )
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DelStruct->m_Flags = 0;
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if( PickedList )
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{
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DeleteStruct( DrawPanel, DC, PickedList );
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GetScreen()->SetModify();
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}
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}
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/*****************************************************************/
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bool LocateAndDeleteItem( WinEDA_SchematicFrame* frame, wxDC* DC )
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/*****************************************************************/
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/* Locate and delete the item found under the mouse cousor
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* If more than one item found: the priority order is:
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* 1 : MARKER
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* 2 : JUNCTION
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* 2 : NOCONNECT
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* 3 : WIRE ou BUS
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* 4 : DRAWITEM
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* 5 : TEXT
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* 6 : COMPOSANT
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* 7 : SHEET
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*
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* return TRUE if an item was deleted
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*/
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{
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SCH_ITEM* DelStruct;
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SCH_SCREEN* screen = (SCH_SCREEN*) ( frame->GetScreen() );
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bool item_deleted = FALSE;
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DelStruct = PickStruct( screen->m_Curseur, screen, MARKERITEM );
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if( DelStruct == NULL )
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DelStruct = PickStruct( screen->m_Curseur, screen, JUNCTIONITEM );
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if( DelStruct == NULL )
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DelStruct = PickStruct( screen->m_Curseur, screen, NOCONNECTITEM );
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if( DelStruct == NULL )
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DelStruct = PickStruct( screen->m_Curseur, screen, RACCORDITEM );
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if( DelStruct == NULL )
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DelStruct = PickStruct( screen->m_Curseur, screen, WIREITEM | BUSITEM );
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if( DelStruct == NULL )
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DelStruct = PickStruct( screen->m_Curseur, screen, DRAWITEM );
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if( DelStruct == NULL )
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DelStruct = PickStruct( screen->m_Curseur, screen, TEXTITEM | LABELITEM );
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if( DelStruct == NULL )
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DelStruct = PickStruct( screen->m_Curseur, screen, LIBITEM );
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if( DelStruct == NULL )
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DelStruct = PickStruct( screen->m_Curseur, screen, SHEETITEM );
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if( DelStruct )
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{
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g_ItemToRepeat = NULL;
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DeleteStruct( frame->DrawPanel, DC, DelStruct );
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frame->TestDanglingEnds( frame->GetScreen()->EEDrawList, DC );
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frame->GetScreen()->SetModify();
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item_deleted = TRUE;
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}
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return item_deleted;
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}
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/***************************************************************/
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void EraseStruct( SCH_ITEM* DrawStruct, SCH_SCREEN* Screen )
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/***************************************************************/
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/* Suppression definitive d'une structure dans une liste chainee
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* d'elements de dessin
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* DrawStruct = pointeur sur la structure
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* Screen = pointeur sur l'ecran d'appartenance
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* Le chainage de la liste est modifie.
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*
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* Remarque:
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* pour les structures DRAW_SHEET_STRUCT_TYPE, l'ecran et les structures
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* correspondantes ne sont pas touches.
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* Ils doivent etre traites separement
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*/
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{
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EDA_BaseStruct* DrawList;
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DrawPickedStruct* PickedList = NULL;
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Hierarchical_PIN_Sheet_Struct* SheetLabel, * NextLabel;
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if( DrawStruct == NULL )
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return;
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if( Screen == NULL )
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return;
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Screen->SetModify();
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if( DrawStruct->Type() == DRAW_HIERARCHICAL_PIN_SHEET_STRUCT_TYPE )
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{
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/* Cette stucture est rattachee a une feuille, et n'est pas
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* accessible par la liste globale directement */
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//this structure has a sheet attached, which we must find.
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DrawList = Screen->EEDrawList;
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for( ; DrawList != NULL; DrawList = DrawList->Pnext )
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{
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if( DrawList->Type() != DRAW_SHEET_STRUCT_TYPE )
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continue;
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/* Examen de la Sheet */
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SheetLabel = ( (DrawSheetStruct*) DrawList )->m_Label;
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if( SheetLabel == NULL )
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continue;
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if( SheetLabel == (Hierarchical_PIN_Sheet_Struct*) DrawStruct )
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{
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( (DrawSheetStruct*) DrawList )->m_Label =
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(Hierarchical_PIN_Sheet_Struct*) SheetLabel->Pnext;
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SAFE_DELETE( DrawStruct );
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return;
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}
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else
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{
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while( SheetLabel->Pnext ) /* Examen de la liste dependante */
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{
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NextLabel = (Hierarchical_PIN_Sheet_Struct*) SheetLabel->Pnext;
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if( NextLabel == (Hierarchical_PIN_Sheet_Struct*) DrawStruct )
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{
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SheetLabel->Pnext = (EDA_BaseStruct*) NextLabel->Pnext;
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SAFE_DELETE( DrawStruct );
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return;
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}
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SheetLabel = NextLabel;
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}
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}
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}
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return;
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}
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if( DrawStruct->Type() == DRAW_PICK_ITEM_STRUCT_TYPE )
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{
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PickedList = (DrawPickedStruct*) DrawStruct;
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while( PickedList )
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{
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if( PickedList->m_PickedStruct == Screen->EEDrawList )
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{
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Screen->EEDrawList = Screen->EEDrawList->Next();
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SAFE_DELETE( DrawStruct );
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}
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else
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{
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DrawList = Screen->EEDrawList;
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while( DrawList && DrawList->Pnext )
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{
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if( DrawList->Pnext == PickedList->m_PickedStruct )
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{
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DrawList->Pnext = DrawList->Pnext->Pnext;
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SAFE_DELETE( DrawStruct );
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return;
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}
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DrawList = DrawList->Pnext;
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}
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}
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PickedList = (DrawPickedStruct*) PickedList->Pnext;
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}
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}
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else // structure usuelle */
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{
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if( DrawStruct == Screen->EEDrawList )
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{
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Screen->EEDrawList = DrawStruct->Next();
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SAFE_DELETE( DrawStruct );
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}
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else
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{
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DrawList = Screen->EEDrawList;
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while( DrawList && DrawList->Pnext )
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{
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if( DrawList->Pnext == DrawStruct )
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{
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DrawList->Pnext = DrawStruct->Pnext;
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SAFE_DELETE( DrawStruct );
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return;
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}
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DrawList = DrawList->Pnext;
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}
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}
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}
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}
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/********************************/
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void DeleteAllMarkers( int type )
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/********************************/
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/* Effacement des marqueurs du type "type" */
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{
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SCH_SCREEN* screen;
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SCH_ITEM * DrawStruct, * NextStruct;
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DrawMarkerStruct* Marker;
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EDA_ScreenList ScreenList;
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for( screen = ScreenList.GetFirst(); screen != NULL; screen = ScreenList.GetNext() )
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{
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for( DrawStruct = screen->EEDrawList; DrawStruct != NULL; DrawStruct = NextStruct )
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{
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NextStruct = DrawStruct->Next();
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if( DrawStruct->Type() != DRAW_MARKER_STRUCT_TYPE )
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continue;
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/* Marqueur trouve */
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Marker = (DrawMarkerStruct*) DrawStruct;
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if( Marker->m_Type != type )
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continue;
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/* Suppression du marqueur */
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EraseStruct( DrawStruct, screen );
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}
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}
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}
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/********************************************************************/
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void DeleteOneLibraryDrawStruct( WinEDA_DrawPanel* panel, wxDC* DC,
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EDA_LibComponentStruct* LibEntry,
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LibEDA_BaseStruct* DrawItem, int Affiche )
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/********************************************************************/
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/* Routine d'effacement d'un "LibraryDrawStruct"
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* (d'un element de dessin d'un composant )
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*
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* Parametres d'entree
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* Pointeur sur le composant comportant la structure
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* (Si NULL la structure a effacer est supposee non rattachee
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* a un composant)
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* Pointeur sur la structure a effacer
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*
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* Efface egalement le graphique correspondant de l'ecran
|
|
*/
|
|
{
|
|
LibEDA_BaseStruct* PreviousDrawItem;
|
|
|
|
/* Effacement du graphique */
|
|
if( Affiche && DC )
|
|
DrawLibraryDrawStruct( panel, DC, LibEntry, 0, 0, DrawItem, CurrentUnit, g_XorMode );
|
|
|
|
/* Effacement de la structure en memoire */
|
|
if( LibEntry ) /* Recherche du predecesseur */
|
|
{
|
|
PreviousDrawItem = LibEntry->m_Drawings;
|
|
|
|
/* Cas du 1er symbole graphique = struct a supprimer */
|
|
if( LibEntry->m_Drawings == DrawItem )
|
|
{
|
|
LibEntry->m_Drawings = DrawItem->Next();
|
|
SAFE_DELETE( DrawItem );
|
|
}
|
|
else /* Cas des autres items */
|
|
{
|
|
while( PreviousDrawItem )
|
|
{
|
|
if( PreviousDrawItem->Pnext == DrawItem )
|
|
{
|
|
PreviousDrawItem->Pnext = DrawItem->Pnext;
|
|
SAFE_DELETE( DrawItem );
|
|
break;
|
|
}
|
|
PreviousDrawItem = PreviousDrawItem->Next();
|
|
}
|
|
}
|
|
}
|
|
|
|
else /* Structure non reliee a un composant */
|
|
{
|
|
SAFE_DELETE( DrawItem );
|
|
}
|
|
}
|