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kicad/pcbnew/move_or_drag_track.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2012 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 2012 Wayne Stambaugh <stambaughw@verizon.net>
* Copyright (C) 1992-2012 KiCad Developers, see AUTHORS.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 move_or_drag_track.cpp
* @brief Track editing routines to move and drag track segments or node.
*/
#include <fctsys.h>
#include <class_drawpanel.h>
#include <confirm.h>
#include <wxPcbStruct.h>
#include <trigo.h>
#include <macros.h>
#include <gr_basic.h>
#include <pcbcommon.h>
#include <class_board.h>
#include <pcbnew.h>
#include <drc_stuff.h>
#include <drag.h>
#include <pcbnew_id.h>
#include <protos.h>
static void Show_MoveNode( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition,
bool aErase );
static void Show_Drag_Track_Segment_With_Cte_Slope( EDA_DRAW_PANEL* aPanel,
wxDC* aDC,
const wxPoint& aPosition,
bool aErase );
static void Abort_MoveTrack( EDA_DRAW_PANEL* Panel, wxDC* DC );
static bool InitialiseDragParameters();
static wxPoint PosInit, s_LastPos;
static double s_StartSegmentSlope, s_EndSegmentSlope,
s_MovingSegmentSlope,
s_StartSegment_Yorg, s_EndSegment_Yorg,
s_MovingSegment_Yorg; //slope and intercept parameters of lines
bool s_StartPointVertical, s_EndPointVertical,
s_MovingSegmentVertical, s_MovingSegmentHorizontal,
s_StartPointHorizontal, s_EndPointHorizontal; // vertical or
// horizontal line
// indicators
bool s_StartSegmentPresent, s_EndSegmentPresent;
static PICKED_ITEMS_LIST s_ItemsListPicker;
/** Abort function for drag or move track
*/
static void Abort_MoveTrack( EDA_DRAW_PANEL* aPanel, wxDC* aDC )
{
PCB_EDIT_FRAME* frame = (PCB_EDIT_FRAME*) aPanel->GetParent();
BOARD * pcb = frame->GetBoard();
pcb->HighLightOFF();
pcb->PopHighLight();
frame->SetCurItem( NULL );
aPanel->SetMouseCapture( NULL, NULL );
/* Undo move and redraw trace segments. */
for( unsigned jj=0 ; jj < g_DragSegmentList.size(); jj++ )
{
TRACK* track = g_DragSegmentList[jj].m_Track;
g_DragSegmentList[jj].RestoreInitialValues();
track->SetState( IN_EDIT, OFF );
track->ClearFlags();
}
// Clear the undo picker list:
s_ItemsListPicker.ClearListAndDeleteItems();
EraseDragList();
aPanel->Refresh();
}
/* Redraw the moved node according to the mouse cursor position */
static void Show_MoveNode( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition,
bool aErase )
{
wxPoint moveVector;
BASE_SCREEN* screen = aPanel->GetScreen();
int track_fill_copy = DisplayOpt.DisplayPcbTrackFill;
GR_DRAWMODE draw_mode = GR_XOR | GR_HIGHLIGHT;
DisplayOpt.DisplayPcbTrackFill = false;
#ifndef USE_WX_OVERLAY
aErase = true;
#else
aErase = false;
#endif
/* set the new track coordinates */
wxPoint Pos = screen->GetCrossHairPosition();
moveVector = Pos - s_LastPos;
s_LastPos = Pos;
TRACK *track = NULL;
for( unsigned ii = 0; ii < g_DragSegmentList.size(); ii++ )
{
track = g_DragSegmentList[ii].m_Track;
if( aErase )
track->Draw( aPanel, aDC, draw_mode );
if( track->GetFlags() & STARTPOINT )
track->SetStart( track->GetStart() + moveVector );
if( track->GetFlags() & ENDPOINT )
track->SetEnd( track->GetEnd() + moveVector );
if( track->Type() == PCB_VIA_T )
track->SetEnd( track->GetStart() );
track->Draw( aPanel, aDC, draw_mode );
}
DisplayOpt.DisplayPcbTrackFill = track_fill_copy;
// Display track length
if( track )
{
PCB_BASE_FRAME* frame = (PCB_BASE_FRAME*) aPanel->GetParent();
frame->SetMsgPanel( track );
}
}
/* drawing the track segment movement
* > s_MovingSegmentSlope slope = moving track segment slope
* > s_StartSegmentSlope slope = slope of the segment connected to the start
* point of the moving segment
* > s_EndSegmentSlope slope = slope of the segment connected to the end point
* of the moving segment
*
* moved segment function :
* yt=s_MovingSegmentSlope * x + s_MovingSegment_Yorg
*
* segment connected to moved segment's start:
* y1 = s_StartSegmentSlope * x + s_StartSegment_Yorg
*
* segment connected to moved segment's end:
* y2=s_EndSegmentSlope * x + s_EndSegment_Yorg
*
* first intersection point will be located at
* y1=yt ->
*
* xi1=(s_MovingSegment_Yorg-s_StartSegment_Yorg)/(s_StartSegmentSlope-s_MovingSegmentSlope)
* yi1=s_MovingSegmentSlope*xi1+s_MovingSegment_Yorg
* or yi1=s_StartSegmentSlope*xi1+s_MovingSegment_Yorg
*
* second intersection point
* y2=yt ->
*
* xi2=(s_MovingSegment_Yorg-s_StartSegment_Yorg)/(s_MovingSegmentSlope-s_MovingSegmentSlope)
* yi2=s_MovingSegmentSlope*xi2+s_MovingSegment_Yorg
* or yi1=s_EndSegmentSlope*xi2+s_MovingSegment_Yorg
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
* !!!!! special attention to vertical segments because
* !!!!! their slope=infinite
* !!!!! intersection point will be calculated using the
* !!!!! segment intersecting it
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
*
* Slope parameters are computed once, because they can become undetermined
* when moving segments
* (i.e. when a segment length is 0) and we want keep them constant
*/
static void Show_Drag_Track_Segment_With_Cte_Slope( EDA_DRAW_PANEL* aPanel, wxDC* aDC,
const wxPoint& aPosition, bool aErase )
{
double xi1 = 0, yi1 = 0, xi2 = 0, yi2 = 0; // calculated intersection points
double tx1, tx2, ty1, ty2; // temporary storage of points
int dx, dy;
BASE_SCREEN* screen = aPanel->GetScreen();
bool update = true;
TRACK* Track;
TRACK* tSegmentToStart = NULL, * tSegmentToEnd = NULL;
if( g_DragSegmentList.size() == 0 )
return;
/* get the segments :
* from last to first in list are:
* the segment to move
* the segment connected to its end point (if exists)
* the segment connected to its start point (if exists)
*/
int ii = g_DragSegmentList.size() - 1;
Track = g_DragSegmentList[ii].m_Track;
if( Track == NULL )
return;
ii--;
if( ii >= 0)
{
if( s_EndSegmentPresent )
{
// Get the segment connected to the end point
tSegmentToEnd = g_DragSegmentList[ii].m_Track;
ii--;
}
if( s_StartSegmentPresent )
{
// Get the segment connected to the start point
if( ii >= 0 )
tSegmentToStart = g_DragSegmentList[ii].m_Track;
}
}
GR_DRAWMODE draw_mode = GR_XOR | GR_HIGHLIGHT;
/* Undraw the current moved track segments before modification*/
#ifndef USE_WX_OVERLAY
// if( erase )
{
Track->Draw( aPanel, aDC, draw_mode );
if( tSegmentToStart )
tSegmentToStart->Draw( aPanel, aDC, draw_mode );
if( tSegmentToEnd )
tSegmentToEnd->Draw( aPanel, aDC, draw_mode );
}
#endif
/* Compute the new track segment position */
wxPoint Pos = screen->GetCrossHairPosition();
dx = Pos.x - s_LastPos.x;
dy = Pos.y - s_LastPos.y;
//move the line by dx and dy
tx1 = (double) ( Track->GetStart().x + dx );
ty1 = (double) ( Track->GetStart().y + dy );
tx2 = (double) ( Track->GetEnd().x + dx );
ty2 = (double) ( Track->GetEnd().y + dy );
// recalculate the segments new parameters and intersection points
// only the intercept will change, segment slopes does not change
// because we are moving parallel with is initial state
if( !s_MovingSegmentVertical )
{
s_MovingSegment_Yorg = ty1 - ( s_MovingSegmentSlope * tx1 );
}
if( ( !s_EndPointVertical ) && ( !s_MovingSegmentVertical ) )
{
xi2 = ( s_MovingSegment_Yorg - s_EndSegment_Yorg )
/ ( s_EndSegmentSlope - s_MovingSegmentSlope );
}
else
{
if( !s_EndPointVertical )
{
xi2 = tx2;
}
else
{
//P1=P2
if( !s_EndPointHorizontal )
{
xi2 = tx2 - dx;
}
else
{
update = false;
}
}
}
if( !s_MovingSegmentVertical )
{
yi2 = s_MovingSegmentSlope * ( xi2 ) + s_MovingSegment_Yorg;
}
else
{
if( !s_EndPointVertical )
{
yi2 = s_EndSegmentSlope * ( xi2 ) + s_EndSegment_Yorg;
}
else
{
if( !s_EndPointHorizontal )
{
update = false;
}
else
{
yi2 = s_MovingSegmentSlope * ( xi2 ) + s_MovingSegment_Yorg;
}
}
}
if( ( !s_StartPointVertical ) && ( !s_MovingSegmentVertical ) )
{
xi1 = ( s_MovingSegment_Yorg - s_StartSegment_Yorg )
/ ( s_StartSegmentSlope - s_MovingSegmentSlope );
}
else
{
if( !s_StartPointVertical )
{
xi1 = tx1;
}
else
{
//P1=P2
if( !s_StartPointHorizontal )
{
xi1 = tx1 - dx;
}
else
{
if( !s_StartPointHorizontal )
{
update = false;
}
}
}
}
if( !s_MovingSegmentVertical )
{
yi1 = s_MovingSegmentSlope * ( xi1 ) + s_MovingSegment_Yorg;
}
else
{
if( !s_StartPointVertical )
{
yi1 = s_StartSegmentSlope * ( xi1 ) + s_StartSegment_Yorg;
}
else
{
if( !s_StartPointHorizontal )
{
update = false;
}
else
{
yi2 = s_MovingSegmentSlope * ( xi1 ) + s_MovingSegment_Yorg;
}
}
}
// update the segment coordinates (if possible)
if( tSegmentToStart == NULL )
{
xi1 = tx1;
yi1 = ty1;
}
if( tSegmentToEnd == NULL )
{
xi2 = tx2;
yi2 = ty2;
}
if( update )
{
s_LastPos = Pos;
Track->SetStart( wxPoint( KiROUND( xi1 ), KiROUND( yi1 ) ) );
Track->SetEnd( wxPoint( KiROUND( xi2 ), KiROUND( yi2 ) ) );
if( tSegmentToEnd )
{
if( tSegmentToEnd->GetFlags() & STARTPOINT )
tSegmentToEnd->SetStart( Track->GetEnd() );
else
tSegmentToEnd->SetEnd( Track->GetEnd() );
}
if( tSegmentToStart )
{
if( tSegmentToStart->GetFlags() & STARTPOINT )
tSegmentToStart->SetStart( Track->GetStart() );
else
tSegmentToStart->SetEnd( Track->GetStart() );
}
}
Track->Draw( aPanel, aDC, draw_mode );
if( tSegmentToStart )
tSegmentToStart->Draw( aPanel, aDC, draw_mode );
if( tSegmentToEnd )
tSegmentToEnd->Draw( aPanel, aDC, draw_mode );
// Display track length
PCB_BASE_FRAME* frame = (PCB_BASE_FRAME*) aPanel->GetParent();
frame->SetMsgPanel( Track );
}
/* Init variables (slope, Y intersect point, flags) for
* Show_Drag_Track_Segment_With_Cte_Slope()
* return true if Ok, false if dragging is not possible
* (2 colinear segments)
*/
bool InitialiseDragParameters()
{
double tx1, tx2, ty1, ty2; // temporary storage of points
TRACK* Track;
TRACK* tSegmentToStart = NULL, * tSegmentToEnd = NULL;
if( g_DragSegmentList.size() == 0 )
return false;
/* get the segments :
* from last to first in list are:
* the segment to move
* the segment connected to its end point (if exists)
* the segment connected to its start point (if exists)
*/
int ii = g_DragSegmentList.size() - 1;
Track = g_DragSegmentList[ii].m_Track;
if( Track == NULL )
return false;
ii--;
if( ii >= 0)
{
if( s_EndSegmentPresent )
{
tSegmentToEnd = g_DragSegmentList[ii].m_Track; // Get the segment connected to
// the end point
ii--;
}
if( s_StartSegmentPresent )
{
if( ii >= 0 )
tSegmentToStart = g_DragSegmentList[ii].m_Track; // Get the segment connected to
// the start point
}
}
// would be nice to eliminate collinear segments here, so we don't
// have to deal with that annoying "Unable to drag this segment: two
// collinear segments"
s_StartPointVertical = false;
s_EndPointVertical = false;
s_MovingSegmentVertical = false;
s_StartPointHorizontal = false;
s_EndPointHorizontal = false;
s_MovingSegmentHorizontal = false;
// Init parameters for the starting point of the moved segment
if( tSegmentToStart )
{
if( tSegmentToStart->GetFlags() & ENDPOINT )
{
tx1 = (double) tSegmentToStart->GetStart().x;
ty1 = (double) tSegmentToStart->GetStart().y;
tx2 = (double) tSegmentToStart->GetEnd().x;
ty2 = (double) tSegmentToStart->GetEnd().y;
}
else
{
tx1 = (double) tSegmentToStart->GetEnd().x;
ty1 = (double) tSegmentToStart->GetEnd().y;
tx2 = (double) tSegmentToStart->GetStart().x;
ty2 = (double) tSegmentToStart->GetStart().y;
}
}
else // move the start point on a line starting at Track->GetStart(), and perpendicular to Track
{
tx1 = (double) Track->GetStart().x;
ty1 = (double) Track->GetStart().y;
tx2 = (double) Track->GetEnd().x;
ty2 = (double) Track->GetEnd().y;
RotatePoint( &tx2, &ty2, tx1, ty1, 900 );
}
if( tx1 != tx2 )
{
s_StartSegmentSlope = ( ty2 - ty1 ) / ( tx2 - tx1 );
s_StartSegment_Yorg = ty1 - ( ty2 - ty1 ) * tx1 / ( tx2 - tx1 );
}
else
{
s_StartPointVertical = true; //signal first segment vertical
}
if( ty1 == ty2 )
{
s_StartPointHorizontal = true;
}
// Init parameters for the ending point of the moved segment
if( tSegmentToEnd )
{
//check if second line is vertical
if( tSegmentToEnd->GetFlags() & STARTPOINT )
{
tx1 = (double) tSegmentToEnd->GetStart().x;
ty1 = (double) tSegmentToEnd->GetStart().y;
tx2 = (double) tSegmentToEnd->GetEnd().x;
ty2 = (double) tSegmentToEnd->GetEnd().y;
}
else
{
tx1 = (double) tSegmentToEnd->GetEnd().x;
ty1 = (double) tSegmentToEnd->GetEnd().y;
tx2 = (double) tSegmentToEnd->GetStart().x;
ty2 = (double) tSegmentToEnd->GetStart().y;
}
}
else // move the start point on a line starting at Track->GetEnd(), and perpendicular to Track
{
tx1 = (double) Track->GetEnd().x;
ty1 = (double) Track->GetEnd().y;
tx2 = (double) Track->GetStart().x;
ty2 = (double) Track->GetStart().y;
RotatePoint( &tx2, &ty2, tx1, ty1, -900 );
}
if( tx2 != tx1 )
{
s_EndSegmentSlope = ( ty2 - ty1 ) / ( tx2 - tx1 );
s_EndSegment_Yorg = ty1 - ( ty2 - ty1 ) * tx1 / ( tx2 - tx1 );
}
else
{
s_EndPointVertical = true; //signal second segment vertical
}
if( ty1 == ty2 )
{
s_EndPointHorizontal = true;
}
// Init parameters for the moved segment
tx1 = (double) Track->GetStart().x;
ty1 = (double) Track->GetStart().y;
tx2 = (double) Track->GetEnd().x;
ty2 = (double) Track->GetEnd().y;
if( tx2 != tx1 )
{
s_MovingSegmentSlope = ( ty2 - ty1 ) / ( tx2 - tx1 );
}
else
{
s_MovingSegmentVertical = true; // signal vertical line
}
if( ty1 == ty2 )
{
s_MovingSegmentHorizontal = true;
}
// Test if drag is possible:
if( s_MovingSegmentVertical )
{
if( s_EndPointVertical || s_StartPointVertical )
return false;
}
else
{
if( !s_EndPointVertical && ( s_MovingSegmentSlope == s_EndSegmentSlope ) )
return false;
if( !s_StartPointVertical && ( s_MovingSegmentSlope == s_StartSegmentSlope ) )
return false;
}
return true;
}
void PCB_EDIT_FRAME::StartMoveOneNodeOrSegment( TRACK* aTrack, wxDC* aDC, int aCommand )
{
if( !aTrack )
return;
EraseDragList();
/* Change highlighted net: the new one will be highlighted */
GetBoard()->PushHighLight();
if( GetBoard()->IsHighLightNetON() )
HighLight( aDC );
PosInit = GetScreen()->GetCrossHairPosition();
if( aTrack->Type() == PCB_VIA_T )
{
aTrack->SetFlags( IS_DRAGGED | STARTPOINT | ENDPOINT );
AddSegmentToDragList( aTrack->GetFlags(), aTrack );
if( aCommand != ID_POPUP_PCB_MOVE_TRACK_SEGMENT )
{
Collect_TrackSegmentsToDrag( GetBoard(), aTrack->GetStart(),
aTrack->ReturnMaskLayer(),
aTrack->GetNet(), aTrack->GetWidth() / 2 );
}
PosInit = aTrack->GetStart();
}
else
{
int diag = aTrack->IsPointOnEnds( GetScreen()->GetCrossHairPosition(), -1 );
wxPoint pos;
switch( aCommand )
{
case ID_POPUP_PCB_MOVE_TRACK_SEGMENT: // Move segment
aTrack->SetFlags( IS_DRAGGED | ENDPOINT | STARTPOINT );
AddSegmentToDragList( aTrack->GetFlags(), aTrack );
break;
case ID_POPUP_PCB_DRAG_TRACK_SEGMENT: // drag a segment
pos = aTrack->GetStart();
Collect_TrackSegmentsToDrag( GetBoard(), pos, aTrack->ReturnMaskLayer(),
aTrack->GetNet(), aTrack->GetWidth() / 2 );
pos = aTrack->GetEnd();
aTrack->SetFlags( IS_DRAGGED | ENDPOINT | STARTPOINT );
Collect_TrackSegmentsToDrag( GetBoard(), pos, aTrack->ReturnMaskLayer(),
aTrack->GetNet(), aTrack->GetWidth() / 2 );
break;
case ID_POPUP_PCB_MOVE_TRACK_NODE: // Drag via or move node
pos = (diag & STARTPOINT) ? aTrack->GetStart() : aTrack->GetEnd();
Collect_TrackSegmentsToDrag( GetBoard(), pos, aTrack->ReturnMaskLayer(),
aTrack->GetNet(), aTrack->GetWidth() / 2 );
PosInit = pos;
break;
}
aTrack->SetFlags( IS_DRAGGED );
}
// Prepare the Undo command
ITEM_PICKER picker( aTrack, UR_CHANGED );
picker.SetLink( aTrack->Clone() );
s_ItemsListPicker.PushItem( picker );
for( unsigned ii = 0; ii < g_DragSegmentList.size(); ii++ )
{
TRACK* draggedtrack = g_DragSegmentList[ii].m_Track;
picker.SetItem( draggedtrack );
picker.SetLink( draggedtrack->Clone() );
s_ItemsListPicker.PushItem( picker );
draggedtrack = (TRACK*) picker.GetLink();
draggedtrack->SetStatus( 0 );
draggedtrack->ClearFlags();
}
s_LastPos = PosInit;
m_canvas->SetMouseCapture( Show_MoveNode, Abort_MoveTrack );
GetBoard()->SetHighLightNet( aTrack->GetNet() );
GetBoard()->HighLightON();
GetBoard()->DrawHighLight( m_canvas, aDC, GetBoard()->GetHighLightNetCode() );
m_canvas->CallMouseCapture( aDC, wxDefaultPosition, true );
UndrawAndMarkSegmentsToDrag( m_canvas, aDC );
}
void PCB_EDIT_FRAME::Start_DragTrackSegmentAndKeepSlope( TRACK* track, wxDC* DC )
{
TRACK* TrackToStartPoint = NULL;
TRACK* TrackToEndPoint = NULL;
bool error = false;
if( !track )
return;
// TODO: Use clenup functions to merge collinear segments if track
// is connected to a collinear segment.
s_StartSegmentPresent = s_EndSegmentPresent = true;
if( ( track->start == NULL ) || ( track->start->Type() == PCB_TRACE_T ) )
TrackToStartPoint = track->GetTrace( GetBoard()->m_Track, NULL, FLG_START );
// Test if more than one segment is connected to this point
if( TrackToStartPoint )
{
TrackToStartPoint->SetState( BUSY, ON );
if( ( TrackToStartPoint->Type() == PCB_VIA_T )
|| track->GetTrace( GetBoard()->m_Track, NULL, FLG_START ) )
error = true;
TrackToStartPoint->SetState( BUSY, OFF );
}
if( ( track->end == NULL ) || ( track->end->Type() == PCB_TRACE_T ) )
TrackToEndPoint = track->GetTrace( GetBoard()->m_Track, NULL, FLG_END );
// Test if more than one segment is connected to this point
if( TrackToEndPoint )
{
TrackToEndPoint->SetState( BUSY, ON );
if( (TrackToEndPoint->Type() == PCB_VIA_T)
|| track->GetTrace( GetBoard()->m_Track, NULL, FLG_END ) )
error = true;
TrackToEndPoint->SetState( BUSY, OFF );
}
if( error )
{
DisplayError( this,
_( "Unable to drag this segment: too many segments connected" ) );
return;
}
if( !TrackToStartPoint || ( TrackToStartPoint->Type() != PCB_TRACE_T ) )
s_StartSegmentPresent = false;
if( !TrackToEndPoint || ( TrackToEndPoint->Type() != PCB_TRACE_T ) )
s_EndSegmentPresent = false;
/* Change high light net: the new one will be highlighted */
GetBoard()->PushHighLight();
if( GetBoard()->IsHighLightNetON() )
HighLight( DC );
EraseDragList();
track->SetFlags( IS_DRAGGED );
if( TrackToStartPoint )
{
int flag = STARTPOINT;
if( track->GetStart() != TrackToStartPoint->GetStart() )
flag = ENDPOINT;
AddSegmentToDragList( flag, TrackToStartPoint );
track->SetFlags( STARTPOINT );
}
if( TrackToEndPoint )
{
int flag = STARTPOINT;
if( track->GetEnd() != TrackToEndPoint->GetStart() )
flag = ENDPOINT;
AddSegmentToDragList( flag, TrackToEndPoint );
track->SetFlags( ENDPOINT );
}
AddSegmentToDragList( track->GetFlags(), track );
UndrawAndMarkSegmentsToDrag( m_canvas, DC );
PosInit = GetScreen()->GetCrossHairPosition();
s_LastPos = GetScreen()->GetCrossHairPosition();
m_canvas->SetMouseCapture( Show_Drag_Track_Segment_With_Cte_Slope, Abort_MoveTrack );
GetBoard()->SetHighLightNet( track->GetNet() );
GetBoard()->HighLightON();
GetBoard()->DrawHighLight( m_canvas, DC, GetBoard()->GetHighLightNetCode() );
// Prepare the Undo command
ITEM_PICKER picker( NULL, UR_CHANGED );
for( unsigned ii = 0; ii < g_DragSegmentList.size(); ii++ )
{
TRACK* draggedtrack = g_DragSegmentList[ii].m_Track;
picker.SetItem( draggedtrack);
picker.SetLink ( draggedtrack->Clone() );
s_ItemsListPicker.PushItem( picker );
draggedtrack = (TRACK*) picker.GetLink();
draggedtrack->SetStatus( 0 );
draggedtrack->ClearFlags();
}
if( !InitialiseDragParameters() )
{
DisplayError( this, _( "Unable to drag this segment: two collinear segments" ) );
m_canvas->SetMouseCaptureCallback( NULL );
Abort_MoveTrack( m_canvas, DC );
return;
}
}
/* Place a dragged (or moved) track segment or via */
bool PCB_EDIT_FRAME::PlaceDraggedOrMovedTrackSegment( TRACK* Track, wxDC* DC )
{
int errdrc;
if( Track == NULL )
return false;
int current_net_code = Track->GetNet();
// DRC control:
if( Drc_On )
{
errdrc = m_drc->Drc( Track, GetBoard()->m_Track );
if( errdrc == BAD_DRC )
return false;
/* Redraw the dragged segments */
for( unsigned ii = 0; ii < g_DragSegmentList.size(); ii++ )
{
errdrc = m_drc->Drc( g_DragSegmentList[ii].m_Track, GetBoard()->m_Track );
if( errdrc == BAD_DRC )
return false;
}
}
// DRC Ok: place track segments
Track->ClearFlags();
Track->SetState( IN_EDIT, OFF );
/* Draw dragged tracks */
for( unsigned ii = 0; ii < g_DragSegmentList.size(); ii++ )
{
Track = g_DragSegmentList[ii].m_Track;
Track->SetState( IN_EDIT, OFF );
Track->ClearFlags();
/* Test the connections modified by the move
* (only pad connection must be tested, track connection will be
* tested by TestNetConnection() ) */
int layerMask = GetLayerMask( Track->GetLayer() );
Track->start = GetBoard()->GetPadFast( Track->GetStart(), layerMask );
if( Track->start )
Track->SetState( BEGIN_ONPAD, ON );
else
Track->SetState( BEGIN_ONPAD, OFF );
Track->end = GetBoard()->GetPadFast( Track->GetEnd(), layerMask );
if( Track->end )
Track->SetState( END_ONPAD, ON );
else
Track->SetState( END_ONPAD, OFF );
}
EraseDragList();
SaveCopyInUndoList( s_ItemsListPicker, UR_UNSPECIFIED );
s_ItemsListPicker.ClearItemsList(); // s_ItemsListPicker is no more owner of picked items
GetBoard()->PopHighLight();
OnModify();
m_canvas->SetMouseCapture( NULL, NULL );
if( current_net_code > 0 )
TestNetConnection( DC, current_net_code );
m_canvas->Refresh();
return true;
}
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