463 lines
14 KiB
C++
463 lines
14 KiB
C++
/************************************/
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/* delete.cpp */
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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 "general.h"
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#include "protos.h"
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#include "class_marker_sch.h"
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// Imported function:
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void DeleteItemsInList( WinEDA_DrawPanel* panel,
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PICKED_ITEMS_LIST& aItemsList );
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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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static int CountConnectedItems( WinEDA_SchematicFrame* frame,
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SCH_ITEM* ListStruct, wxPoint pos,
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bool TstJunction )
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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 ( (SCH_JUNCTION*) Struct )
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if( JUNCTION->m_Pos == pos )
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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 ( (SCH_LINE*) 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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* Mark to "CANDIDATE" all wires or junction connected to "segment" in list
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* "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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static bool MarkConnected( WinEDA_SchematicFrame* frame, SCH_ITEM* ListStruct,
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SCH_LINE* segment )
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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 ( (SCH_JUNCTION*) 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 ( (SCH_LINE*) 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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* 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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void WinEDA_SchematicFrame::DeleteConnection( bool DeleteFullConnection )
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{
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wxPoint refpos = GetScreen()->m_Curseur;
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SCH_ITEM* DelStruct;
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PICKED_ITEMS_LIST pickList;
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/* Clear .m_Flags member for all items */
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for( DelStruct = GetScreen()->EEDrawList; DelStruct != NULL;
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DelStruct = DelStruct->Next() )
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DelStruct->m_Flags = 0;
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BreakSegmentOnJunction( (SCH_SCREEN*) GetScreen() );
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/* Locate all the wires, bus or junction under the mouse cursor, and put
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* them in a list of items to delete
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*/
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ITEM_PICKER picker(NULL, UR_DELETED);
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SCH_SCREEN* screen = (SCH_SCREEN*) GetScreen();
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// Save the list entry point of this screen
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SCH_ITEM* savedEEDrawList = screen->EEDrawList;
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DelStruct = GetScreen()->EEDrawList;
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while( DelStruct
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&& ( DelStruct = PickStruct( screen->m_Curseur, screen,
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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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picker.m_PickedItem = DelStruct;
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picker.m_PickedItemType = DelStruct->Type();
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pickList.PushItem(picker);
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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;
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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 ( (SCH_LINE*) 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;
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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 ( (SCH_LINE*) DelStruct )
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/* Test the SEGM->m_Start point: if this point was connected to
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* an STRUCT_DELETED wire, and now is not connected, the wire can
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* 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->Next() )
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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 ( (SCH_LINE*) 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,
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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
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* an STRUCT_DELETED wire, and now is not connected, the wire
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* 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->Next() )
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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,
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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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picker.m_PickedItem = DelStruct;
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picker.m_PickedItemType = DelStruct->Type();
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pickList.PushItem(picker);
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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
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// and no pin are removed)
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for( DelStruct = GetScreen()->EEDrawList; DelStruct != NULL;
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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 ( (SCH_JUNCTION*) DelStruct )
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count = CountConnectedItems( this, GetScreen()->EEDrawList,
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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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picker.m_PickedItem = DelStruct;
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picker.m_PickedItemType = DelStruct->Type();
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pickList.PushItem(picker);
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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;
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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(),
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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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picker.m_PickedItem = DelStruct;
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picker.m_PickedItemType = DelStruct->Type();
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pickList.PushItem(picker);
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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;
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DelStruct = DelStruct->Next() )
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DelStruct->m_Flags = 0;
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if( pickList.GetCount() )
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{
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DeleteItemsInList( DrawPanel, pickList );
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OnModify( );
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}
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}
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/*
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* Locate and delete the item found under the mouse cursor
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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 or 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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bool LocateAndDeleteItem( WinEDA_SchematicFrame* frame, wxDC* DC )
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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,
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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->OnModify( );
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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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* Remove definition of a structure in a linked list
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* Elements of Drawing
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* DrawStruct * = pointer to the structure
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* Screen = pointer on the screen of belonging
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*
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* Note:
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* DRAW_SHEET_STRUCT_TYPE structures for the screen and structures
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* Corresponding keys are not.
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* They must be treated separately
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*/
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void EraseStruct( SCH_ITEM* DrawStruct, SCH_SCREEN* Screen )
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{
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EDA_BaseStruct* DrawList;
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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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// This structure is attached to a sheet, get the parent sheet object.
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SCH_SHEET_PIN* sheetLabel = (SCH_SHEET_PIN*) DrawStruct;
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SCH_SHEET* sheet = sheetLabel->GetParent();
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wxASSERT_MSG( sheet != NULL,
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wxT( "Sheet label parent not properly set, bad programmer!" ) );
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sheet->RemoveLabel( sheetLabel );
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return;
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}
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else
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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->Next() )
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{
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if( DrawList->Next() == DrawStruct )
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{
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DrawList->SetNext( DrawStruct->Next() );
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SAFE_DELETE( DrawStruct );
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return;
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}
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DrawList = DrawList->Next();
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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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SCH_SCREEN* screen;
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SCH_ITEM * DrawStruct, * NextStruct;
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SCH_MARKER* Marker;
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EDA_ScreenList ScreenList;
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for( screen = ScreenList.GetFirst(); screen != NULL;
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screen = ScreenList.GetNext() )
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{
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for( DrawStruct = screen->EEDrawList; DrawStruct != NULL;
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DrawStruct = NextStruct )
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{
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NextStruct = DrawStruct->Next();
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if( DrawStruct->Type() != TYPE_SCH_MARKER )
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continue;
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Marker = (SCH_MARKER*) DrawStruct;
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if( Marker->GetMarkerType() != type )
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continue;
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/* Remove marker */
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EraseStruct( DrawStruct, screen );
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}
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}
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}
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