551 lines
17 KiB
C++
551 lines
17 KiB
C++
/*
|
|
* This program source code file is part of KiCad, a free EDA CAD application.
|
|
*
|
|
* Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
|
|
* Copyright (C) 2008-2011 Wayne Stambaugh <stambaughw@verizon.net>
|
|
* Copyright (C) 2004-2011 KiCad Developers, see change_log.txt for contributors.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, you may find one here:
|
|
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
|
|
* or you may search the http://www.gnu.org website for the version 2 license,
|
|
* or you may write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
/**
|
|
* @file bus-wire-junction.cpp
|
|
* @brief Code for editing buses, wires, and junctions.
|
|
*/
|
|
|
|
#include <fctsys.h>
|
|
#include <gr_basic.h>
|
|
#include <class_drawpanel.h>
|
|
#include <confirm.h>
|
|
#include <wxEeschemaStruct.h>
|
|
|
|
#include <lib_draw_item.h>
|
|
#include <lib_pin.h>
|
|
#include <general.h>
|
|
#include <protos.h>
|
|
#include <sch_bus_entry.h>
|
|
#include <sch_junction.h>
|
|
#include <sch_line.h>
|
|
#include <sch_no_connect.h>
|
|
#include <sch_polyline.h>
|
|
#include <sch_text.h>
|
|
#include <sch_component.h>
|
|
#include <sch_sheet.h>
|
|
|
|
|
|
static void AbortCreateNewLine( EDA_DRAW_PANEL* Panel, wxDC* DC );
|
|
static void ComputeBreakPoint( SCH_LINE* segment, const wxPoint& new_pos );
|
|
|
|
SCH_ITEM* s_OldWiresList;
|
|
wxPoint s_ConnexionStartPoint;
|
|
|
|
|
|
/**
|
|
* Mouse capture callback for drawing line segments.
|
|
*/
|
|
static void DrawSegment( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition,
|
|
bool aErase )
|
|
{
|
|
SCH_LINE* CurrentLine = (SCH_LINE*) aPanel->GetScreen()->GetCurItem();
|
|
SCH_LINE* segment;
|
|
int color;
|
|
|
|
if( CurrentLine == NULL )
|
|
return;
|
|
|
|
color = ReturnLayerColor( CurrentLine->GetLayer() ) ^ HIGHLIGHT_FLAG;
|
|
|
|
if( aErase )
|
|
{
|
|
segment = CurrentLine;
|
|
|
|
while( segment )
|
|
{
|
|
if( !segment->IsNull() ) // Redraw if segment length != 0
|
|
segment->Draw( aPanel, aDC, wxPoint( 0, 0 ), g_XorMode, color );
|
|
|
|
segment = segment->Next();
|
|
}
|
|
}
|
|
|
|
wxPoint endpos = aPanel->GetScreen()->GetCrossHairPosition();
|
|
|
|
if( g_HVLines ) /* Coerce the line to vertical or horizontal one: */
|
|
ComputeBreakPoint( CurrentLine, endpos );
|
|
else
|
|
CurrentLine->SetEndPoint( endpos );
|
|
|
|
segment = CurrentLine;
|
|
|
|
while( segment )
|
|
{
|
|
if( !segment->IsNull() ) // Redraw if segment length != 0
|
|
segment->Draw( aPanel, aDC, wxPoint( 0, 0 ), g_XorMode, color );
|
|
|
|
segment = segment->Next();
|
|
}
|
|
}
|
|
|
|
|
|
void SCH_EDIT_FRAME::BeginSegment( wxDC* DC, int type )
|
|
{
|
|
SCH_LINE* oldsegment, * newsegment, * nextsegment;
|
|
wxPoint cursorpos = GetScreen()->GetCrossHairPosition();
|
|
|
|
if( GetScreen()->GetCurItem() && (GetScreen()->GetCurItem()->GetFlags() == 0) )
|
|
GetScreen()->SetCurItem( NULL );
|
|
|
|
if( GetScreen()->GetCurItem() )
|
|
{
|
|
switch( GetScreen()->GetCurItem()->Type() )
|
|
{
|
|
case SCH_LINE_T:
|
|
case SCH_POLYLINE_T:
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
}
|
|
|
|
oldsegment = newsegment = (SCH_LINE*) GetScreen()->GetCurItem();
|
|
|
|
if( !newsegment ) /* first point : Create first wire or bus */
|
|
{
|
|
s_ConnexionStartPoint = cursorpos;
|
|
s_OldWiresList = GetScreen()->ExtractWires( true );
|
|
GetScreen()->SchematicCleanUp( m_canvas );
|
|
|
|
switch( type )
|
|
{
|
|
default:
|
|
newsegment = new SCH_LINE( cursorpos, LAYER_NOTES );
|
|
break;
|
|
|
|
case LAYER_WIRE:
|
|
newsegment = new SCH_LINE( cursorpos, LAYER_WIRE );
|
|
|
|
/* A junction will be created later, when we'll know the
|
|
* segment end position, and if the junction is really needed */
|
|
break;
|
|
|
|
case LAYER_BUS:
|
|
newsegment = new SCH_LINE( cursorpos, LAYER_BUS );
|
|
break;
|
|
}
|
|
|
|
newsegment->SetFlags( IS_NEW );
|
|
|
|
if( g_HVLines ) // We need 2 segments to go from a given start pin to an end point
|
|
{
|
|
nextsegment = new SCH_LINE( *newsegment );
|
|
nextsegment->SetFlags( IS_NEW );
|
|
newsegment->SetNext( nextsegment );
|
|
nextsegment->SetBack( newsegment );
|
|
}
|
|
|
|
GetScreen()->SetCurItem( newsegment );
|
|
m_canvas->SetMouseCapture( DrawSegment, AbortCreateNewLine );
|
|
m_itemToRepeat = NULL;
|
|
}
|
|
else // A segment is in progress: terminates the current segment and add a new segment.
|
|
{
|
|
nextsegment = oldsegment->Next();
|
|
|
|
if( !g_HVLines )
|
|
{
|
|
// if only one segment is needed and it has length = 0, do not create a new one.
|
|
if( oldsegment->IsNull() )
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
/* if we want 2 segment and the last two have len = 0, do not
|
|
* create a new one */
|
|
if( oldsegment->IsNull() && nextsegment && nextsegment->IsNull() )
|
|
return;
|
|
}
|
|
|
|
m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );
|
|
|
|
/* Creates the new segment, or terminates the command
|
|
* if the end point is on a pin, junction or an other wire or bus */
|
|
if( GetScreen()->IsTerminalPoint( cursorpos, oldsegment->GetLayer() ) )
|
|
{
|
|
EndSegment( DC );
|
|
return;
|
|
}
|
|
|
|
oldsegment->SetNext( GetScreen()->GetDrawItems() );
|
|
GetScreen()->SetDrawItems( oldsegment );
|
|
m_canvas->CrossHairOff( DC ); // Erase schematic cursor
|
|
oldsegment->Draw( m_canvas, DC, wxPoint( 0, 0 ), GR_DEFAULT_DRAWMODE );
|
|
m_canvas->CrossHairOn( DC ); // Display schematic cursor
|
|
|
|
/* Create a new segment, and chain it after the current new segment */
|
|
if( nextsegment )
|
|
{
|
|
newsegment = new SCH_LINE( *nextsegment );
|
|
nextsegment->SetStartPoint( newsegment->GetEndPoint() );
|
|
nextsegment->SetNext( NULL );
|
|
nextsegment->SetBack( newsegment );
|
|
newsegment->SetNext( nextsegment );
|
|
newsegment->SetBack( NULL );
|
|
}
|
|
else
|
|
{
|
|
newsegment = new SCH_LINE( *oldsegment );
|
|
newsegment->SetStartPoint( oldsegment->GetEndPoint() );
|
|
}
|
|
|
|
newsegment->SetEndPoint( cursorpos );
|
|
oldsegment->ClearFlags( IS_NEW );
|
|
oldsegment->SetFlags( SELECTED );
|
|
newsegment->SetFlags( IS_NEW );
|
|
GetScreen()->SetCurItem( newsegment );
|
|
m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );
|
|
|
|
/* This is the first segment: Now we know the start segment position.
|
|
* Create a junction if needed. Note: a junction can be needed later,
|
|
* if the new segment is merged (after a cleanup) with an older one
|
|
* (tested when the connection will be finished)*/
|
|
if( oldsegment->GetStartPoint() == s_ConnexionStartPoint )
|
|
{
|
|
if( GetScreen()->IsJunctionNeeded( s_ConnexionStartPoint ) )
|
|
AddJunction( DC, s_ConnexionStartPoint );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void SCH_EDIT_FRAME::EndSegment( wxDC* DC )
|
|
{
|
|
SCH_LINE* firstsegment = (SCH_LINE*) GetScreen()->GetCurItem();
|
|
SCH_LINE* lastsegment = firstsegment;
|
|
SCH_LINE* segment;
|
|
|
|
if( firstsegment == NULL )
|
|
return;
|
|
|
|
if( !firstsegment->IsNew() )
|
|
return;
|
|
|
|
/* Delete Null segments and Put line it in Drawlist */
|
|
lastsegment = firstsegment;
|
|
|
|
while( lastsegment )
|
|
{
|
|
SCH_LINE* nextsegment = lastsegment->Next();
|
|
|
|
if( lastsegment->IsNull() )
|
|
{
|
|
SCH_LINE* previous_segment = lastsegment->Back();
|
|
|
|
if( firstsegment == lastsegment )
|
|
firstsegment = nextsegment;
|
|
|
|
if( nextsegment )
|
|
nextsegment->SetBack( NULL );
|
|
|
|
if( previous_segment )
|
|
previous_segment->SetNext( nextsegment );
|
|
|
|
delete lastsegment;
|
|
}
|
|
|
|
lastsegment = nextsegment;
|
|
}
|
|
|
|
/* put the segment list to the main linked list */
|
|
segment = lastsegment = firstsegment;
|
|
|
|
while( segment )
|
|
{
|
|
lastsegment = segment;
|
|
segment = segment->Next();
|
|
lastsegment->SetNext( GetScreen()->GetDrawItems() );
|
|
GetScreen()->SetDrawItems( lastsegment );
|
|
}
|
|
|
|
m_canvas->EndMouseCapture( -1, -1, wxEmptyString, false );
|
|
GetScreen()->SetCurItem( NULL );
|
|
|
|
wxPoint end_point, alt_end_point;
|
|
|
|
/* A junction can be needed to connect the last segment
|
|
* usually to m_end coordinate.
|
|
* But if the last segment is removed by a cleanup, because of redundancy,
|
|
* a junction can be needed to connect the previous segment m_end
|
|
* coordinate with is also the lastsegment->m_start coordinate */
|
|
if( lastsegment )
|
|
{
|
|
end_point = lastsegment->GetEndPoint();
|
|
alt_end_point = lastsegment->GetStartPoint();
|
|
}
|
|
|
|
GetScreen()->SchematicCleanUp( m_canvas );
|
|
|
|
/* clear flags and find last segment entered, for repeat function */
|
|
segment = (SCH_LINE*) GetScreen()->GetDrawItems();
|
|
|
|
while( segment )
|
|
{
|
|
if( segment->GetFlags() )
|
|
{
|
|
if( !m_itemToRepeat )
|
|
m_itemToRepeat = segment;
|
|
}
|
|
|
|
segment->ClearFlags();
|
|
segment = segment->Next();
|
|
}
|
|
|
|
// Automatic place of a junction on the end point, if needed
|
|
if( lastsegment )
|
|
{
|
|
if( GetScreen()->IsJunctionNeeded( end_point ) )
|
|
AddJunction( DC, end_point );
|
|
else if( GetScreen()->IsJunctionNeeded( alt_end_point ) )
|
|
AddJunction( DC, alt_end_point );
|
|
}
|
|
|
|
/* Automatic place of a junction on the start point if necessary because
|
|
* the cleanup can suppress intermediate points by merging wire segments */
|
|
if( GetScreen()->IsJunctionNeeded( s_ConnexionStartPoint ) )
|
|
AddJunction( DC, s_ConnexionStartPoint );
|
|
|
|
GetScreen()->TestDanglingEnds( m_canvas, DC );
|
|
|
|
/* Redraw wires and junctions which can be changed by TestDanglingEnds() */
|
|
m_canvas->CrossHairOff( DC ); // Erase schematic cursor
|
|
EDA_ITEM* item = GetScreen()->GetDrawItems();
|
|
|
|
while( item )
|
|
{
|
|
switch( item->Type() )
|
|
{
|
|
case SCH_JUNCTION_T:
|
|
case SCH_LINE_T:
|
|
m_canvas->RefreshDrawingRect( item->GetBoundingBox() );
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
item = item->Next();
|
|
}
|
|
|
|
m_canvas->CrossHairOn( DC ); // Display schematic cursor
|
|
|
|
SaveCopyInUndoList( s_OldWiresList, UR_WIRE_IMAGE );
|
|
s_OldWiresList = NULL;
|
|
|
|
OnModify( );
|
|
}
|
|
|
|
|
|
/**
|
|
* Function ComputeBreakPoint
|
|
* computes the middle coordinate for 2 segments from the start point to \a aPosition
|
|
* with the segments kept in the horizontal or vertical axis only.
|
|
*/
|
|
static void ComputeBreakPoint( SCH_LINE* aSegment, const wxPoint& aPosition )
|
|
{
|
|
SCH_LINE* nextsegment = aSegment->Next();
|
|
wxPoint middle_position = aPosition;
|
|
|
|
if( nextsegment == NULL )
|
|
return;
|
|
#if 0
|
|
if( ABS( middle_position.x - aSegment->GetStartPoint().x ) <
|
|
ABS( middle_position.y - aSegment->GetStartPoint().y ) )
|
|
middle_position.x = aSegment->GetStartPoint().x;
|
|
else
|
|
middle_position.y = aSegment->GetStartPoint().y;
|
|
#else
|
|
int iDx = aSegment->GetEndPoint().x - aSegment->GetStartPoint().x;
|
|
int iDy = aSegment->GetEndPoint().y - aSegment->GetStartPoint().y;
|
|
|
|
if( iDy != 0 ) // keep the first segment orientation (currently horizontal)
|
|
{
|
|
middle_position.x = aSegment->GetStartPoint().x;
|
|
}
|
|
else if( iDx != 0 ) // keep the first segment orientation (currently vertical)
|
|
{
|
|
middle_position.y = aSegment->GetStartPoint().y;
|
|
}
|
|
else
|
|
{
|
|
if( ABS( middle_position.x - aSegment->GetStartPoint().x ) <
|
|
ABS( middle_position.y - aSegment->GetStartPoint().y ) )
|
|
middle_position.x = aSegment->GetStartPoint().x;
|
|
else
|
|
middle_position.y = aSegment->GetStartPoint().y;
|
|
}
|
|
#endif
|
|
|
|
aSegment->SetEndPoint( middle_position );
|
|
nextsegment->SetStartPoint( middle_position );
|
|
nextsegment->SetEndPoint( aPosition );
|
|
}
|
|
|
|
|
|
void SCH_EDIT_FRAME::DeleteCurrentSegment( wxDC* DC )
|
|
{
|
|
SCH_SCREEN* screen = GetScreen();
|
|
|
|
m_itemToRepeat = NULL;
|
|
|
|
if( ( screen->GetCurItem() == NULL ) || !screen->GetCurItem()->IsNew() )
|
|
return;
|
|
|
|
/* Cancel trace in progress */
|
|
if( screen->GetCurItem()->Type() == SCH_POLYLINE_T )
|
|
{
|
|
SCH_POLYLINE* polyLine = (SCH_POLYLINE*) screen->GetCurItem();
|
|
wxPoint endpos;
|
|
|
|
endpos = screen->GetCrossHairPosition();
|
|
|
|
int idx = polyLine->GetCornerCount() - 1;
|
|
wxPoint pt = (*polyLine)[idx];
|
|
|
|
if( g_HVLines )
|
|
{
|
|
/* Coerce the line to vertical or horizontal one: */
|
|
if( ABS( endpos.x - pt.x ) < ABS( endpos.y - pt.y ) )
|
|
endpos.x = pt.x;
|
|
else
|
|
endpos.y = pt.y;
|
|
}
|
|
|
|
polyLine->SetPoint( idx, endpos );
|
|
polyLine->Draw( m_canvas, DC, wxPoint( 0, 0 ), g_XorMode );
|
|
}
|
|
else
|
|
{
|
|
DrawSegment( m_canvas, DC, wxDefaultPosition, false );
|
|
}
|
|
|
|
screen->RemoveFromDrawList( screen->GetCurItem() );
|
|
m_canvas->SetMouseCaptureCallback( NULL );
|
|
screen->SetCurItem( NULL );
|
|
}
|
|
|
|
|
|
SCH_JUNCTION* SCH_EDIT_FRAME::AddJunction( wxDC* aDC, const wxPoint& aPosition,
|
|
bool aPutInUndoList )
|
|
{
|
|
SCH_JUNCTION* junction = new SCH_JUNCTION( aPosition );
|
|
|
|
m_itemToRepeat = junction;
|
|
|
|
m_canvas->CrossHairOff( aDC ); // Erase schematic cursor
|
|
junction->Draw( m_canvas, aDC, wxPoint( 0, 0 ), GR_DEFAULT_DRAWMODE );
|
|
m_canvas->CrossHairOn( aDC ); // Display schematic cursor
|
|
|
|
junction->SetNext( GetScreen()->GetDrawItems() );
|
|
GetScreen()->SetDrawItems( junction );
|
|
OnModify();
|
|
|
|
if( aPutInUndoList )
|
|
SaveCopyInUndoList( junction, UR_NEW );
|
|
|
|
return junction;
|
|
}
|
|
|
|
|
|
SCH_NO_CONNECT* SCH_EDIT_FRAME::AddNoConnect( wxDC* aDC, const wxPoint& aPosition )
|
|
{
|
|
SCH_NO_CONNECT* NewNoConnect;
|
|
|
|
NewNoConnect = new SCH_NO_CONNECT( aPosition );
|
|
m_itemToRepeat = NewNoConnect;
|
|
|
|
m_canvas->CrossHairOff( aDC ); // Erase schematic cursor
|
|
NewNoConnect->Draw( m_canvas, aDC, wxPoint( 0, 0 ), GR_DEFAULT_DRAWMODE );
|
|
m_canvas->CrossHairOn( aDC ); // Display schematic cursor
|
|
|
|
NewNoConnect->SetNext( GetScreen()->GetDrawItems() );
|
|
GetScreen()->SetDrawItems( NewNoConnect );
|
|
OnModify();
|
|
SaveCopyInUndoList( NewNoConnect, UR_NEW );
|
|
return NewNoConnect;
|
|
}
|
|
|
|
|
|
/* Abort function for wire, bus or line creation
|
|
*/
|
|
static void AbortCreateNewLine( EDA_DRAW_PANEL* Panel, wxDC* DC )
|
|
{
|
|
SCH_SCREEN* screen = (SCH_SCREEN*) Panel->GetScreen();
|
|
|
|
if( screen->GetCurItem() )
|
|
{
|
|
screen->RemoveFromDrawList( (SCH_ITEM*) screen->GetCurItem() );
|
|
screen->SetCurItem( NULL );
|
|
screen->ReplaceWires( s_OldWiresList );
|
|
Panel->Refresh();
|
|
}
|
|
else
|
|
{
|
|
SCH_EDIT_FRAME* parent = ( SCH_EDIT_FRAME* ) Panel->GetParent();
|
|
parent->SetRepeatItem( NULL );
|
|
}
|
|
|
|
// Clear flags used in edit functions.
|
|
screen->ClearDrawingState();
|
|
}
|
|
|
|
|
|
void SCH_EDIT_FRAME::RepeatDrawItem( wxDC* DC )
|
|
{
|
|
if( m_itemToRepeat == NULL )
|
|
return;
|
|
|
|
m_itemToRepeat = m_itemToRepeat->Clone();
|
|
|
|
if( m_itemToRepeat->Type() == SCH_COMPONENT_T ) // If repeat component then put in move mode
|
|
{
|
|
wxPoint pos = GetScreen()->GetCrossHairPosition() -
|
|
( (SCH_COMPONENT*) m_itemToRepeat )->GetPosition();
|
|
m_itemToRepeat->SetFlags( IS_NEW );
|
|
( (SCH_COMPONENT*) m_itemToRepeat )->SetTimeStamp( GetNewTimeStamp() );
|
|
m_itemToRepeat->Move( pos );
|
|
m_itemToRepeat->Draw( m_canvas, DC, wxPoint( 0, 0 ), g_XorMode );
|
|
MoveItem( m_itemToRepeat, DC );
|
|
return;
|
|
}
|
|
|
|
m_itemToRepeat->Move( wxPoint( g_RepeatStep.GetWidth(), g_RepeatStep.GetHeight() ) );
|
|
|
|
if( m_itemToRepeat->CanIncrementLabel() )
|
|
( (SCH_TEXT*) m_itemToRepeat )->IncrementLabel();
|
|
|
|
if( m_itemToRepeat )
|
|
{
|
|
m_itemToRepeat->SetNext( GetScreen()->GetDrawItems() );
|
|
GetScreen()->SetDrawItems( m_itemToRepeat );
|
|
GetScreen()->TestDanglingEnds();
|
|
m_itemToRepeat->Draw( m_canvas, DC, wxPoint( 0, 0 ), GR_DEFAULT_DRAWMODE );
|
|
SaveCopyInUndoList( m_itemToRepeat, UR_NEW );
|
|
m_itemToRepeat->ClearFlags();
|
|
}
|
|
}
|