411 lines
12 KiB
C++
411 lines
12 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 "class_sch_screen.h"
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#include "wxEeschemaStruct.h"
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#include "general.h"
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#include "protos.h"
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#include "sch_marker.h"
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#include "sch_junction.h"
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#include "sch_line.h"
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#include "sch_sheet.h"
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#include "sch_text.h"
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// Imported function:
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void DeleteItemsInList( EDA_DRAW_PANEL* panel, PICKED_ITEMS_LIST& aItemsList );
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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 SCH_EDIT_FRAME::DeleteConnection()
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*/
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static bool MarkConnected( SCH_EDIT_FRAME* frame, SCH_ITEM* ListStruct, SCH_LINE* segment )
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{
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EDA_ITEM* 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() == SCH_JUNCTION_T )
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{
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#define JUNCTION ( (SCH_JUNCTION*) Struct )
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if( segment->IsEndPoint( 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() != SCH_LINE_T )
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continue;
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#define SEGM ( (SCH_LINE*) Struct )
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if( segment->IsEndPoint( SEGM->m_Start ) )
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{
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if( !frame->GetScreen()->GetPin( SEGM->m_Start, NULL, true ) )
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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->IsEndPoint( SEGM->m_End ) )
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{
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if( !frame->GetScreen()->GetPin( SEGM->m_End, NULL, true ) )
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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 SCH_EDIT_FRAME::DeleteConnection( bool DeleteFullConnection )
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{
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SCH_SCREEN* screen = GetScreen();
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wxPoint refpos = screen->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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screen->ClearDrawingState();
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screen->BreakSegmentsOnJunctions();
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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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// Save the list entry point of this screen
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SCH_ITEM* savedItems = screen->GetDrawItems();
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DelStruct = screen->GetDrawItems();
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while( DelStruct
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&& ( DelStruct = PickStruct( screen->m_Curseur, screen,
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JUNCTION_T | WIRE_T | BUS_T ) ) != 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->SetDrawItems( DelStruct );
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}
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screen->SetDrawItems( savedItems ); // Restore the list entry point.
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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 = screen->GetDrawItems(); 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() != SCH_LINE_T )
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continue;
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MarkConnected( this, screen->GetDrawItems(), 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 = screen->GetDrawItems(); 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() != SCH_LINE_T )
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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_ITEM* removed_struct;
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for( removed_struct = screen->GetDrawItems();
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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() != SCH_LINE_T )
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continue;
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#define WIRE ( (SCH_LINE*) removed_struct )
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if( WIRE->IsEndPoint( SEGM->m_Start ) )
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break;
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}
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if( WIRE && !screen->CountConnectedItems( 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 = screen->GetDrawItems();
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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() != SCH_LINE_T )
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continue;
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if( WIRE->IsEndPoint( SEGM->m_End ) )
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break;
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}
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if( removed_struct && !screen->CountConnectedItems( 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 = screen->GetDrawItems();
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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 = screen->GetDrawItems(); 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->m_Flags & CANDIDATE) )
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continue;
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if( DelStruct->Type() == SCH_JUNCTION_T )
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{
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#define JUNCTION ( (SCH_JUNCTION*) DelStruct )
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if( screen->CountConnectedItems( JUNCTION->m_Pos, false ) <= 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 = screen->m_Curseur;
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for( DelStruct = screen->GetDrawItems(); 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() != SCH_LABEL_T )
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continue;
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GetScreen()->m_Curseur = ( (SCH_TEXT*) DelStruct )->m_Pos;
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EDA_ITEM* TstStruct = PickStruct( screen->m_Curseur, GetScreen(), WIRE_T | BUS_T );
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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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screen->m_Curseur = pos;
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}
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screen->ClearDrawingState();
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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 : GRAPHIC ITEM
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* 5 : TEXT
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* 6 : COMPONENT
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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( SCH_EDIT_FRAME* 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, MARKER_T );
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if( DelStruct == NULL )
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DelStruct = PickStruct( screen->m_Curseur, screen, JUNCTION_T );
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if( DelStruct == NULL )
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DelStruct = PickStruct( screen->m_Curseur, screen, NO_CONNECT_T );
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if( DelStruct == NULL )
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DelStruct = PickStruct( screen->m_Curseur, screen, BUS_ENTRY_T );
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if( DelStruct == NULL )
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DelStruct = PickStruct( screen->m_Curseur, screen, WIRE_T | BUS_T );
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if( DelStruct == NULL )
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DelStruct = PickStruct( screen->m_Curseur, screen, DRAW_ITEM_T );
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if( DelStruct == NULL )
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DelStruct = PickStruct( screen->m_Curseur, screen, TEXT_T | LABEL_T );
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if( DelStruct == NULL )
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DelStruct = PickStruct( screen->m_Curseur, screen, COMPONENT_T );
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if( DelStruct == NULL )
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DelStruct = PickStruct( screen->m_Curseur, screen, SHEET_T );
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if( DelStruct )
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{
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frame->SetRepeatItem( NULL );
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DeleteStruct( frame->DrawPanel, DC, DelStruct );
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frame->GetScreen()->TestDanglingEnds( frame->DrawPanel, 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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* SCH_SHEET_T 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_ITEM* 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() == SCH_SHEET_LABEL_T )
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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->GetDrawItems() )
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{
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Screen->SetDrawItems( 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->GetDrawItems();
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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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SCH_SCREENS 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->GetDrawItems(); DrawStruct != NULL; DrawStruct = NextStruct )
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{
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NextStruct = DrawStruct->Next();
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if( DrawStruct->Type() != SCH_MARKER_T )
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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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