mirror of https://gitlab.com/kicad/code/kicad.git
496 lines
15 KiB
C++
496 lines
15 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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EDA_BaseStruct * 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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Used by WinEDA_SchematicFrame::DeleteConnection()
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*/
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{
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EDA_BaseStruct * Struct;
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int count = 0;
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if ( frame->LocatePinEnd(ListStruct, pos) ) count++;
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for ( Struct = ListStruct; Struct != NULL; Struct = Struct->Pnext)
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{
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if ( Struct->m_Flags & STRUCT_DELETED ) continue;
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if ( Struct->m_Flags & SKIP_STRUCT ) continue;
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if ( TstJunction && (Struct->m_StructType == 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->m_StructType != DRAW_SEGMENT_STRUCT_TYPE ) continue;
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#define SEGM ((EDA_DrawLineStruct*)Struct)
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if ( SEGM->IsOneEndPointAt(pos) ) 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, EDA_BaseStruct * 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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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->Pnext)
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{
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if ( Struct->m_Flags ) continue;
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if ( Struct->m_StructType == 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) ) 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->m_StructType != DRAW_SEGMENT_STRUCT_TYPE ) 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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EDA_BaseStruct * 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->Pnext)
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DelStruct->m_Flags = 0;
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BreakSegmentOnJunction( 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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while ( DelStruct &&
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(DelStruct = PickStruct(GetScreen()->m_Curseur,
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DelStruct, 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->Pnext;
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}
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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->Pnext)
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{
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if ( ! (DelStruct->m_Flags & SELECTEDNODE) ) continue;
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#define SEGM ((EDA_DrawLineStruct*)DelStruct)
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if ( DelStruct->m_StructType != DRAW_SEGMENT_STRUCT_TYPE ) 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->Pnext)
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{
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bool noconnect = FALSE;
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if ( DelStruct->m_Flags & STRUCT_DELETED ) continue; // Already seen
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if ( ! (DelStruct->m_Flags & CANDIDATE) ) continue; // Already seen
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if ( DelStruct->m_StructType != DRAW_SEGMENT_STRUCT_TYPE ) 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; removed_struct != NULL; removed_struct = removed_struct->Pnext)
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{
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if( (removed_struct->m_Flags & STRUCT_DELETED) == 0 ) continue;
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if ( removed_struct->m_StructType != DRAW_SEGMENT_STRUCT_TYPE ) continue;
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#define WIRE ((EDA_DrawLineStruct*)removed_struct)
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if ( WIRE->IsOneEndPointAt(SEGM->m_Start) ) 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; removed_struct != NULL; removed_struct = removed_struct->Pnext)
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{
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if( (removed_struct->m_Flags & STRUCT_DELETED) == 0 ) continue;
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if ( removed_struct->m_StructType != DRAW_SEGMENT_STRUCT_TYPE ) continue;
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if ( WIRE->IsOneEndPointAt(SEGM->m_End) ) break;
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}
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if ( removed_struct && ! 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->Pnext)
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{
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int count;
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if ( DelStruct->m_Flags & STRUCT_DELETED ) continue;
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if ( ! (DelStruct->m_Flags & CANDIDATE) ) continue;
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if ( DelStruct->m_StructType == 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->Pnext)
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{
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if ( DelStruct->m_Flags & STRUCT_DELETED ) continue;
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if ( DelStruct->m_StructType != DRAW_LABEL_STRUCT_TYPE ) continue;
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GetScreen()->m_Curseur = ((DrawTextStruct*)DelStruct)->m_Pos;
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EDA_BaseStruct * TstStruct =
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PickStruct(GetScreen()->m_Curseur, GetScreen()->EEDrawList,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->Pnext)
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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 : MARQUEUR
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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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return TRUE if an item was deleted
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*/
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{
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EDA_BaseStruct * DelStruct;
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SCH_SCREEN * screen = frame->GetScreen();
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bool item_deleted = FALSE;
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DelStruct = PickStruct(screen->m_Curseur,
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screen->EEDrawList, MARKERITEM);
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if( DelStruct == NULL ) DelStruct = PickStruct(screen->m_Curseur,
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screen->EEDrawList, JUNCTIONITEM);
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if( DelStruct == NULL ) DelStruct = PickStruct(screen->m_Curseur,
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screen->EEDrawList, NOCONNECTITEM);
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if( DelStruct == NULL ) DelStruct = PickStruct(screen->m_Curseur,
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screen->EEDrawList, RACCORDITEM);
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if( DelStruct == NULL ) DelStruct = PickStruct(screen->m_Curseur,
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screen->EEDrawList, WIREITEM|BUSITEM);
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if( DelStruct == NULL ) DelStruct = PickStruct(screen->m_Curseur,
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screen->EEDrawList, DRAWITEM);
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if( DelStruct == NULL ) DelStruct = PickStruct(screen->m_Curseur,
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screen->EEDrawList, TEXTITEM|LABELITEM);
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if( DelStruct == NULL ) DelStruct = PickStruct(screen->m_Curseur,
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screen->EEDrawList, LIBITEM);
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if( DelStruct == NULL ) DelStruct = PickStruct(screen->m_Curseur,
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screen->EEDrawList, 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->m_CurrentScreen->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(EDA_BaseStruct *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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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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DrawSheetLabelStruct* SheetLabel, *NextLabel;
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if( DrawStruct == NULL ) return;
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if( Screen == NULL ) return;
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Screen->SetModify();
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if (DrawStruct->m_StructType == DRAW_SHEETLABEL_STRUCT_TYPE)
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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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DrawList = Screen->EEDrawList;
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for ( ; DrawList != NULL; DrawList = DrawList->Pnext )
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{
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if(DrawList->m_StructType != DRAW_SHEET_STRUCT_TYPE) 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) continue;
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if (SheetLabel == (DrawSheetLabelStruct*) DrawStruct)
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{
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((DrawSheetStruct *) DrawList)->m_Label =
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(DrawSheetLabelStruct *)SheetLabel->Pnext;
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delete DrawStruct;
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return;
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}
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else while( SheetLabel->Pnext )/* Examen de la liste dependante */
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{
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NextLabel = (DrawSheetLabelStruct *)SheetLabel->Pnext;
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if( NextLabel == (DrawSheetLabelStruct*) DrawStruct )
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{
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SheetLabel->Pnext = (EDA_BaseStruct *)NextLabel->Pnext;
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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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return;
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}
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if (DrawStruct->m_StructType == 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->Pnext;
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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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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->Pnext;
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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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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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EDA_BaseStruct * DrawStruct, * NextStruct;
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DrawMarkerStruct * Marker;
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EDA_ScreenList ScreenList(NULL);
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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->Pnext;
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if(DrawStruct->m_StructType != DRAW_MARKER_STRUCT_TYPE ) continue;
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/* Marqueur trouve */
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Marker = (DrawMarkerStruct * ) DrawStruct;
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if( Marker->m_Type != type ) 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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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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Efface egalement le graphique correspondant de l'ecran
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*/
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{
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LibEDA_BaseStruct *PreviousDrawItem;
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/* Effacement du graphique */
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if( Affiche && DC)
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DrawLibraryDrawStruct(panel, DC, LibEntry, 0 , 0, DrawItem, CurrentUnit, g_XorMode);
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/* Effacement de la structure en memoire */
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if( LibEntry ) /* Recherche du predecesseur */
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{
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PreviousDrawItem = LibEntry->m_Drawings;
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/* Cas du 1er symbole graphique = struct a supprimer */
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if( LibEntry->m_Drawings == DrawItem )
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{
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LibEntry->m_Drawings = DrawItem->Next();
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delete DrawItem;
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}
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else /* Cas des autres items */
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while(PreviousDrawItem)
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{
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if(PreviousDrawItem->Pnext == DrawItem)
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{
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PreviousDrawItem->Pnext = DrawItem->Pnext;
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delete DrawItem; break;
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}
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PreviousDrawItem = PreviousDrawItem->Next();
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}
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}
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else /* Structure non reliee a un composant */
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{
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delete DrawItem;
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}
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}
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