kicad/pcbnew/move_or_drag_track.cpp

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/****************************************************/
/* Track editing */
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/* routines to move and drag track segments or node */
/****************************************************/
#include "fctsys.h"
#include "common.h"
#include "class_drawpanel.h"
#include "confirm.h"
#include "pcbnew.h"
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#include "wxPcbStruct.h"
#include "trigo.h"
#include "drag.h"
#include "pcbnew_id.h"
#include "protos.h"
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static void Show_MoveNode( WinEDA_DrawPanel* panel, wxDC* DC, bool erase );
static void Show_Drag_Track_Segment_With_Cte_Slope( WinEDA_DrawPanel* panel,
wxDC* DC,
bool erase );
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static void Abort_MoveTrack( WinEDA_DrawPanel* Panel, wxDC* DC );
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static bool InitialiseDragParameters();
static wxPoint PosInit, s_LastPos;
static TRACK* NewTrack; /* New track or track being moved. */
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static int NbPtNewTrack;
static int Old_HighLigth_NetCode;
static bool Old_HighLigt_Status;
static double s_StartSegmentSlope, s_EndSegmentSlope,
s_MovingSegmentSlope,
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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;
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static PICKED_ITEMS_LIST s_ItemsListPicker;
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/** Abort function for commands drag, copy or move track
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*/
static void Abort_MoveTrack( WinEDA_DrawPanel* Panel, wxDC* DC )
{
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TRACK* NextS;
int ii;
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/* Erase the current drawings */
wxPoint oldpos = Panel->GetScreen()->m_Curseur;
Panel->GetScreen()->m_Curseur = PosInit;
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if( Panel->ManageCurseur )
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Panel->ManageCurseur( Panel, DC, true );
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Panel->GetScreen()->m_Curseur = oldpos;
g_HighLight_Status = FALSE;
( (WinEDA_PcbFrame*) Panel->GetParent() )->GetBoard()->DrawHighLight(
Panel,
DC,
g_HighLight_NetCode );
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if( NewTrack )
{
if( NewTrack->m_Flags & IS_NEW )
{
for( ii = 0; ii < NbPtNewTrack; ii++, NewTrack = NextS )
{
if( NewTrack == NULL )
break;
NextS = NewTrack->Next();
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delete NewTrack;
}
}
else /* Move existing trace. */
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{
TRACK* Track = NewTrack;
int dx = s_LastPos.x - PosInit.x;
int dy = s_LastPos.y - PosInit.y;
for( ii = 0; ii < NbPtNewTrack; ii++, Track = Track->Next() )
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{
if( Track == NULL )
break;
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Track->m_Start.x -= dx;
Track->m_Start.y -= dy;
Track->m_End.x -= dx;
Track->m_End.y -= dy;
Track->m_Flags = 0;
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}
Trace_Une_Piste( Panel, DC, NewTrack, NbPtNewTrack, GR_OR );
}
NewTrack = NULL;
}
Panel->ManageCurseur = NULL;
Panel->ForceCloseManageCurseur = NULL;
( (WinEDA_PcbFrame*) Panel->GetParent() )->SetCurItem( NULL );
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/* Undo move and redraw trace segments. */
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DRAG_SEGM* pt_drag = g_DragSegmentList;
for( ; pt_drag != NULL; pt_drag = pt_drag->Pnext )
{
TRACK* Track = pt_drag->m_Segm;
pt_drag->SetInitialValues();
Track->SetState( EDIT, OFF );
Track->m_Flags = 0;
Track->Draw( Panel, DC, GR_OR );
}
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// Clear the undo picker list:
s_ItemsListPicker.ClearListAndDeleteItems();
g_HighLight_NetCode = Old_HighLigth_NetCode;
g_HighLight_Status = Old_HighLigt_Status;
if( g_HighLight_Status )
( (WinEDA_PcbFrame*) Panel->GetParent() )->GetBoard()->DrawHighLight(
Panel,
DC,
g_HighLight_NetCode );
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EraseDragListe();
}
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/* Redraw the moved node according to the mouse cursor position */
static void Show_MoveNode( WinEDA_DrawPanel* panel, wxDC* DC, bool erase )
{
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int ii;
wxPoint moveVector;
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TRACK* Track;
BASE_SCREEN* screen = panel->GetScreen();
int track_fill_copy = DisplayOpt.DisplayPcbTrackFill;
int draw_mode = GR_XOR | GR_SURBRILL;
DisplayOpt.DisplayPcbTrackFill = FALSE;
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erase = true;
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/* erase the current moved track segments from screen */
if( erase )
{
if( NewTrack )
Trace_Une_Piste( panel, DC, NewTrack, NbPtNewTrack, draw_mode );
}
/* set the new track coordinates */
wxPoint Pos = screen->m_Curseur;
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moveVector = Pos - s_LastPos;
s_LastPos = Pos;
ii = NbPtNewTrack;
Track = NewTrack;
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for( ; (ii > 0) && (Track != NULL); ii--, Track = Track->Next() )
{
if( Track->m_Flags & STARTPOINT )
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Track->m_Start += moveVector;
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if( Track->m_Flags & ENDPOINT )
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Track->m_End += moveVector;
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}
/* Redraw the current moved track segments */
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Trace_Une_Piste( panel, DC, NewTrack, NbPtNewTrack, draw_mode );
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DRAG_SEGM* pt_drag = g_DragSegmentList;
for( ; pt_drag != NULL; pt_drag = pt_drag->Pnext )
{
Track = pt_drag->m_Segm;
if( erase )
Track->Draw( panel, DC, draw_mode );
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if( Track->m_Flags & STARTPOINT )
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Track->m_Start += moveVector;
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if( Track->m_Flags & ENDPOINT )
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Track->m_End += moveVector;
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Track->Draw( panel, DC, draw_mode );
}
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DisplayOpt.DisplayPcbTrackFill = track_fill_copy;
// Display track length
WinEDA_BasePcbFrame* frame = (WinEDA_BasePcbFrame*) panel->GetParent();
Track->DisplayInfo( frame );
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}
/* drawing the track segment movement
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* > 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
*
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* moved segment function :
* yt=s_MovingSegmentSlope * x + s_MovingSegment_Yorg
*
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* segment connected to moved segment's start:
* y1 = s_StartSegmentSlope * x + s_StartSegment_Yorg
*
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* segment connected to moved segment's end:
* y2=s_EndSegmentSlope * x + s_EndSegment_Yorg
*
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* first intersection point will be located at
* y1=yt ->
*
* xi1=(s_MovingSegment_Yorg-s_StartSegment_Yorg)/(s_StartSegmentSlope-s_MovingSegmentSlope)
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* yi1=s_MovingSegmentSlope*xi1+s_MovingSegment_Yorg
* or yi1=s_StartSegmentSlope*xi1+s_MovingSegment_Yorg
*
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* second intersection point
* y2=yt ->
*
* xi2=(s_MovingSegment_Yorg-s_StartSegment_Yorg)/(s_MovingSegmentSlope-s_MovingSegmentSlope)
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* 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
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*/
static void Show_Drag_Track_Segment_With_Cte_Slope( WinEDA_DrawPanel* panel,
wxDC* DC, bool erase )
{
double xi1 = 0, yi1 = 0, xi2 = 0, yi2 = 0; // calculated
// intersection points
double tx1, tx2, ty1, ty2; // temporary storage of
// points
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int dx, dy;
BASE_SCREEN* screen = panel->GetScreen();
bool update = true;
TRACK* Track;
DRAG_SEGM* TrackSegWrapper = g_DragSegmentList;
TRACK* tSegmentToStart = NULL, * tSegmentToEnd = NULL;
if( TrackSegWrapper == NULL )
return;
Track = TrackSegWrapper->m_Segm;
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if( Track == NULL )
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return;
TrackSegWrapper = TrackSegWrapper->Pnext;
if( TrackSegWrapper )
{
if( s_EndSegmentPresent )
{
tSegmentToEnd = TrackSegWrapper->m_Segm; // Get the segment
// connected to the end
// point
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TrackSegWrapper = TrackSegWrapper->Pnext;
}
if( s_StartSegmentPresent )
{
if( TrackSegWrapper )
tSegmentToStart = TrackSegWrapper->m_Segm; // Get the segment
// connected to the
// start point
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}
}
int draw_mode = GR_XOR | GR_SURBRILL;
/* Undraw the current moved track segments before modification*/
// if( erase )
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{
Track->Draw( panel, DC, draw_mode );
if( tSegmentToStart )
tSegmentToStart->Draw( panel, DC, draw_mode );
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if( tSegmentToEnd )
tSegmentToEnd->Draw( panel, DC, draw_mode );
}
/* Compute the new track segment position */
wxPoint Pos = screen->m_Curseur;
dx = Pos.x - s_LastPos.x;
dy = Pos.y - s_LastPos.y;
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//move the line by dx and dy
tx1 = (double) ( Track->m_Start.x + dx );
ty1 = (double) ( Track->m_Start.y + dy );
tx2 = (double) ( Track->m_End.x + dx );
ty2 = (double) ( Track->m_End.y + dy );
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// 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 );
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}
if( ( !s_EndPointVertical ) && ( !s_MovingSegmentVertical ) )
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{
xi2 = ( s_MovingSegment_Yorg - s_EndSegment_Yorg )
/ ( s_EndSegmentSlope - s_MovingSegmentSlope );
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}
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;
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}
else
{
if( !s_EndPointVertical )
{
yi2 = s_EndSegmentSlope * ( xi2 ) + s_EndSegment_Yorg;
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}
else
{
if( !s_EndPointHorizontal )
{
update = false;
}
else
{
yi2 = s_MovingSegmentSlope * ( xi2 ) + s_MovingSegment_Yorg;
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}
}
}
if( ( !s_StartPointVertical ) && ( !s_MovingSegmentVertical ) )
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{
xi1 = ( s_MovingSegment_Yorg - s_StartSegment_Yorg )
/ ( s_StartSegmentSlope - s_MovingSegmentSlope );
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}
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;
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}
else
{
if( !s_StartPointVertical )
{
yi1 = s_StartSegmentSlope * ( xi1 ) + s_StartSegment_Yorg;
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}
else
{
if( !s_StartPointHorizontal )
{
update = false;
}
else
{
yi2 = s_MovingSegmentSlope * ( xi1 ) + s_MovingSegment_Yorg;
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}
}
}
// update the segment coordinates (if possible)
if( tSegmentToStart == NULL )
{
xi1 = tx1;
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yi1 = ty1;
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}
if( tSegmentToEnd == NULL )
{
xi2 = tx2;
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yi2 = ty2;
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}
if( update )
{
s_LastPos = Pos;
Track->m_Start.x = wxRound( xi1 );
Track->m_Start.y = wxRound( yi1 );
Track->m_End.x = wxRound( xi2 );
Track->m_End.y = wxRound( yi2 );
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if( tSegmentToEnd )
{
if( tSegmentToEnd->m_Flags & STARTPOINT )
tSegmentToEnd->m_Start = Track->m_End;
else
tSegmentToEnd->m_End = Track->m_End;
}
if( tSegmentToStart )
{
if( tSegmentToStart->m_Flags & STARTPOINT )
tSegmentToStart->m_Start = Track->m_Start;
else
tSegmentToStart->m_End = Track->m_Start;
}
}
Track->Draw( panel, DC, draw_mode );
if( tSegmentToStart )
tSegmentToStart->Draw( panel, DC, draw_mode );
if( tSegmentToEnd )
tSegmentToEnd->Draw( panel, DC, draw_mode );
// Display track length
WinEDA_BasePcbFrame* frame = (WinEDA_BasePcbFrame*) panel->GetParent();
Track->DisplayInfo( frame );
}
/* Init variables (slope, Y intersect point, flags) for
* Show_Drag_Track_Segment_With_Cte_Slope()
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* return true if Ok, FALSE if dragging is not possible
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* (2 colinear segments)
*/
bool InitialiseDragParameters()
{
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double tx1, tx2, ty1, ty2; // temporary storage of points
TRACK* Track;
DRAG_SEGM* TrackSegWrapper = g_DragSegmentList;
TRACK* tSegmentToStart = NULL, * tSegmentToEnd = NULL;
if( TrackSegWrapper == NULL )
return FALSE;
Track = TrackSegWrapper->m_Segm;
if( Track == NULL )
return FALSE;
TrackSegWrapper = TrackSegWrapper->Pnext;
if( TrackSegWrapper )
{
if( s_EndSegmentPresent )
{
tSegmentToEnd = TrackSegWrapper->m_Segm; // Get the segment
// connected to the end
// point
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TrackSegWrapper = TrackSegWrapper->Pnext;
}
if( s_StartSegmentPresent )
{
if( TrackSegWrapper )
tSegmentToStart = TrackSegWrapper->m_Segm; // Get the segment
// connected to the
// start point
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}
}
//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"
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s_StartPointVertical = false;
s_EndPointVertical = false;
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s_MovingSegmentVertical = false;
s_StartPointHorizontal = false;
s_EndPointHorizontal = false;
s_MovingSegmentHorizontal = false;
// Init parameters for the starting point of the moved segment
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if( tSegmentToStart )
{
if( tSegmentToStart->m_Flags & ENDPOINT )
{
tx1 = (double) tSegmentToStart->m_Start.x;
ty1 = (double) tSegmentToStart->m_Start.y;
tx2 = (double) tSegmentToStart->m_End.x;
ty2 = (double) tSegmentToStart->m_End.y;
}
else
{
tx1 = (double) tSegmentToStart->m_End.x;
ty1 = (double) tSegmentToStart->m_End.y;
tx2 = (double) tSegmentToStart->m_Start.x;
ty2 = (double) tSegmentToStart->m_Start.y;
}
}
else // move the start point on a line starting at Track->m_Start, and
// perpendicular to Track
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{
tx1 = (double) Track->m_Start.x;
ty1 = (double) Track->m_Start.y;
tx2 = (double) Track->m_End.x;
ty2 = (double) Track->m_End.y;
RotatePoint( &tx2, &ty2, tx1, ty1, 900 );
}
if( tx1 != tx2 )
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{
s_StartSegmentSlope = ( ty2 - ty1 ) / ( tx2 - tx1 );
s_StartSegment_Yorg = ty1 - ( ty2 - ty1 ) * tx1 / ( tx2 - tx1 );
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}
else
{
s_StartPointVertical = true; //signal first segment vertical
}
if( ty1 == ty2 )
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{
s_StartPointHorizontal = true;
}
// Init parameters for the ending point of the moved segment
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if( tSegmentToEnd )
{
//check if second line is vertical
if( tSegmentToEnd->m_Flags & STARTPOINT )
{
tx1 = (double) tSegmentToEnd->m_Start.x;
ty1 = (double) tSegmentToEnd->m_Start.y;
tx2 = (double) tSegmentToEnd->m_End.x;
ty2 = (double) tSegmentToEnd->m_End.y;
}
else
{
tx1 = (double) tSegmentToEnd->m_End.x;
ty1 = (double) tSegmentToEnd->m_End.y;
tx2 = (double) tSegmentToEnd->m_Start.x;
ty2 = (double) tSegmentToEnd->m_Start.y;
}
}
else // move the start point on a line starting at Track->m_End, and
// perpendicular to Track
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{
tx1 = (double) Track->m_End.x;
ty1 = (double) Track->m_End.y;
tx2 = (double) Track->m_Start.x;
ty2 = (double) Track->m_Start.y;
RotatePoint( &tx2, &ty2, tx1, ty1, -900 );
}
if( tx2 != tx1 )
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{
s_EndSegmentSlope = ( ty2 - ty1 ) / ( tx2 - tx1 );
s_EndSegment_Yorg = ty1 - ( ty2 - ty1 ) * tx1 / ( tx2 - tx1 );
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}
else
{
s_EndPointVertical = true; //signal second segment vertical
}
if( ty1 == ty2 )
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{
s_EndPointHorizontal = true;
}
// Init parameters for the moved segment
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tx1 = (double) Track->m_Start.x;
ty1 = (double) Track->m_Start.y;
tx2 = (double) Track->m_End.x;
ty2 = (double) Track->m_End.y;
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if( tx2 != tx1 )
{
s_MovingSegmentSlope = ( ty2 - ty1 ) / ( tx2 - tx1 );
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}
else
{
s_MovingSegmentVertical = true; //signal vertical line
}
if( ty1 == ty2 )
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{
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 ) )
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return false;
if( !s_StartPointVertical
&& ( s_MovingSegmentSlope == s_StartSegmentSlope ) )
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return false;
}
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return true;
}
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/* Init parameters to move one node:
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* a via or/and a terminal point of a track segment
* The terminal point of other connected segments (if any) are moved too.
*/
void WinEDA_PcbFrame::Start_MoveOneNodeOrSegment( TRACK* track,
wxDC* DC,
int command )
{
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if( !track )
return;
NewTrack = NULL;
NbPtNewTrack = 0;
EraseDragListe();
/* Change highlighted net: the new one will be highlighted */
Old_HighLigt_Status = g_HighLight_Status;
Old_HighLigth_NetCode = g_HighLight_NetCode;
if( g_HighLight_Status )
High_Light( DC );
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PosInit = GetScreen()->m_Curseur;
if( track->Type() == TYPE_VIA )
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{
track->m_Flags = IS_DRAGGED | STARTPOINT | ENDPOINT;
if( command != ID_POPUP_PCB_MOVE_TRACK_SEGMENT )
{
Collect_TrackSegmentsToDrag( DrawPanel, DC, track->m_Start,
track->ReturnMaskLayer(),
track->GetNet() );
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}
NewTrack = track;
NbPtNewTrack = 1;
PosInit = track->m_Start;
}
else
{
int diag = track->IsPointOnEnds( GetScreen()->m_Curseur, -1 );
wxPoint pos;
switch( command )
{
case ID_POPUP_PCB_MOVE_TRACK_SEGMENT:
track->m_Flags |= IS_DRAGGED | ENDPOINT | STARTPOINT;
AddSegmentToDragList( DrawPanel, DC, track->m_Flags, track );
break;
case ID_POPUP_PCB_DRAG_TRACK_SEGMENT:
pos = track->m_Start;
Collect_TrackSegmentsToDrag( DrawPanel, DC, pos,
track->ReturnMaskLayer(),
track->GetNet() );
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pos = track->m_End;
track->m_Flags |= IS_DRAGGED | ENDPOINT | STARTPOINT;
Collect_TrackSegmentsToDrag( DrawPanel, DC, pos,
track->ReturnMaskLayer(),
track->GetNet() );
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break;
case ID_POPUP_PCB_MOVE_TRACK_NODE:
pos = (diag & STARTPOINT) ? track->m_Start : track->m_End;
Collect_TrackSegmentsToDrag( DrawPanel, DC, pos,
track->ReturnMaskLayer(),
track->GetNet() );
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PosInit = pos;
break;
}
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track->m_Flags |= IS_DRAGGED;
}
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// Prepare the Undo command
ITEM_PICKER picker( track, UR_CHANGED );
picker.m_Link = track->Copy();
s_ItemsListPicker.PushItem( picker );
DRAG_SEGM* pt_drag = g_DragSegmentList;
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for( ; pt_drag != NULL; pt_drag = pt_drag->Pnext )
{
TRACK* draggedtrack = pt_drag->m_Segm;
picker.m_PickedItem = draggedtrack;
picker.m_Link = draggedtrack->Copy();
s_ItemsListPicker.PushItem( picker );
draggedtrack = (TRACK*) picker.m_Link;
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draggedtrack->SetStatus( 0 );
draggedtrack->m_Flags = 0;
}
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s_LastPos = PosInit;
DrawPanel->ManageCurseur = Show_MoveNode;
DrawPanel->ForceCloseManageCurseur = Abort_MoveTrack;
g_HighLight_NetCode = track->GetNet();
g_HighLight_Status = true;
GetBoard()->DrawHighLight( DrawPanel, DC, g_HighLight_NetCode );
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DrawPanel->ManageCurseur( DrawPanel, DC, true );
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}
#if 0
// @todo: This function is broken: does not handle pointers to pads for start
// and end and flags relative to these pointers
void SortTrackEndPoints( TRACK* track )
{
//sort the track endpoints -- should not matter in terms of drawing
//or producing the pcb -- but makes doing comparisons easier.
int dx = track->m_End.x - track->m_Start.x;
if( dx )
{
if( track->m_Start.x > track->m_End.x )
{
EXCHG( track->m_Start, track->m_End );
}
}
else
{
if( track->m_Start.y > track->m_End.y )
{
EXCHG( track->m_Start, track->m_End );
}
}
}
/**
* @todo: this function is broken, because it merge segments having different
* width or without any connectivity test.
* 2 collinear segments can be merged only in no other segment or via is
* connected to the common point
* and if they have the same width. See cleanup.cpp for merge functions,
* and consider Marque_Une_Piste() to locate segments that can be merged
*/
bool WinEDA_PcbFrame::MergeCollinearTracks( TRACK* track, wxDC* DC, int end )
{
testtrack = (TRACK*) Locate_Piste_Connectee( track,
GetBoard()->m_Track, NULL,
end );
if( testtrack )
{
SortTrackEndPoints( track );
SortTrackEndPoints( testtrack );
int dx = track->m_End.x - track->m_Start.x;
int dy = track->m_End.y - track->m_Start.y;
int tdx = testtrack->m_End.x - testtrack->m_Start.x;
int tdy = testtrack->m_End.y - testtrack->m_Start.y;
if( ( dy * tdx == dx * tdy && dy != 0 && dx != 0 && tdy != 0 && tdx !=
0 ) /* angle, same slope */
|| ( dy == 0 && tdy == 0 && dx * tdx ) /*horizontal */
|| ( dx == 0 && tdx == 0 && dy * tdy ) /*vertical */
)
{
if( track->m_Start == testtrack->m_Start || track->m_End ==
testtrack->m_Start )
{
if( ( dx * tdx && testtrack->m_End.x > track->m_End.x )
||( dy * tdy && testtrack->m_End.y > track->m_End.y ) )
{
track->m_End = testtrack->m_End;
Delete_Segment( DC, testtrack );
return true;
}
}
if( track->m_Start == testtrack->m_End || track->m_End ==
testtrack->m_End )
{
if( ( dx * tdx && testtrack->m_Start.x < track->m_Start.x )
||( dy * tdy && testtrack->m_Start.y < track->m_Start.y ) )
{
track->m_Start = testtrack->m_Start;
Delete_Segment( DC, testtrack );
return true;
}
}
}
}
return false;
}
#endif
void WinEDA_PcbFrame::Start_DragTrackSegmentAndKeepSlope( TRACK* track,
wxDC* DC )
{
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TRACK* TrackToStartPoint = NULL;
TRACK* TrackToEndPoint = NULL;
bool error = FALSE;
if( !track )
return;
#if 0
// Broken functions: see comments
while( MergeCollinearTracks( track, DC, START ) )
{
}
;
while( MergeCollinearTracks( track, DC, END ) )
{
}
;
#endif
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s_StartSegmentPresent = s_EndSegmentPresent = true;
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if( ( track->start == NULL ) || ( track->start->Type() == TYPE_TRACK ) )
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TrackToStartPoint = Locate_Piste_Connectee( track,
GetBoard()->m_Track, NULL,
START );
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// Test if more than one segment is connected to this point
if( TrackToStartPoint )
{
TrackToStartPoint->SetState( BUSY, ON );
if( ( TrackToStartPoint->Type() == TYPE_VIA )
|| Locate_Piste_Connectee( track, GetBoard()->m_Track, NULL, START ) )
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error = true;
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TrackToStartPoint->SetState( BUSY, OFF );
}
if( ( track->end == NULL ) || ( track->end->Type() == TYPE_TRACK ) )
TrackToEndPoint = Locate_Piste_Connectee( track,
GetBoard()->m_Track, NULL,
END );
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// Test if more than one segment is connected to this point
if( TrackToEndPoint )
{
TrackToEndPoint->SetState( BUSY, ON );
if( (TrackToEndPoint->Type() == TYPE_VIA)
|| Locate_Piste_Connectee( track, GetBoard()->m_Track, NULL, END ) )
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error = true;
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TrackToEndPoint->SetState( BUSY, OFF );
}
if( error )
{
DisplayError( this,
_( "Unable to drag this segment: too many segments connected" ) );
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return;
}
if( !TrackToStartPoint || ( TrackToStartPoint->Type() != TYPE_TRACK ) )
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s_StartSegmentPresent = FALSE;
if( !TrackToEndPoint || ( TrackToEndPoint->Type() != TYPE_TRACK ) )
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s_EndSegmentPresent = FALSE;
/* Change high light net: the new one will be highlighted */
Old_HighLigt_Status = g_HighLight_Status;
Old_HighLigth_NetCode = g_HighLight_NetCode;
if( g_HighLight_Status )
High_Light( DC );
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EraseDragListe();
NewTrack = NULL;
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NbPtNewTrack = 0;
track->m_Flags = IS_DRAGGED;
if( TrackToStartPoint )
{
int flag = STARTPOINT;
if( track->m_Start != TrackToStartPoint->m_Start )
flag = ENDPOINT;
AddSegmentToDragList( DrawPanel, DC, flag, TrackToStartPoint );
track->m_Flags |= STARTPOINT;
}
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if( TrackToEndPoint )
{
int flag = STARTPOINT;
if( track->m_End != TrackToEndPoint->m_Start )
flag = ENDPOINT;
AddSegmentToDragList( DrawPanel, DC, flag, TrackToEndPoint );
track->m_Flags |= ENDPOINT;
}
AddSegmentToDragList( DrawPanel, DC, track->m_Flags, track );
PosInit = GetScreen()->m_Curseur;
s_LastPos = GetScreen()->m_Curseur;
DrawPanel->ManageCurseur = Show_Drag_Track_Segment_With_Cte_Slope;
DrawPanel->ForceCloseManageCurseur = Abort_MoveTrack;
g_HighLight_NetCode = track->GetNet();
g_HighLight_Status = true;
GetBoard()->DrawHighLight( DrawPanel, DC, g_HighLight_NetCode );
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// Prepare the Undo command
DRAG_SEGM* pt_drag = g_DragSegmentList;
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ITEM_PICKER picker( NULL, UR_CHANGED );
for( ; pt_drag != NULL; pt_drag = pt_drag->Pnext )
{
TRACK* draggedtrack = pt_drag->m_Segm;
picker.m_PickedItem = draggedtrack;
picker.m_Link = draggedtrack->Copy();
s_ItemsListPicker.PushItem( picker );
draggedtrack = (TRACK*) picker.m_Link;
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draggedtrack->SetStatus( 0 );
draggedtrack->m_Flags = 0;
}
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if( !InitialiseDragParameters() )
{
DisplayError( this,
_( "Unable to drag this segment: two collinear segments" ) );
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DrawPanel->ManageCurseur = NULL;
Abort_MoveTrack( DrawPanel, DC );
return;
}
}
/* Place a dragged (or moved) track segment or via */
bool WinEDA_PcbFrame::PlaceDraggedOrMovedTrackSegment( TRACK* Track, wxDC* DC )
{
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int errdrc;
DRAG_SEGM* pt_drag;
if( Track == NULL )
return FALSE;
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int current_net_code = Track->GetNet();
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// DRC control:
if( Drc_On )
{
errdrc = m_drc->Drc( Track, GetBoard()->m_Track );
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if( errdrc == BAD_DRC )
return FALSE;
/* Redraw the dragged segments */
pt_drag = g_DragSegmentList;
for( ; pt_drag != NULL; pt_drag = pt_drag->Pnext )
{
errdrc = m_drc->Drc( pt_drag->m_Segm, GetBoard()->m_Track );
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if( errdrc == BAD_DRC )
return FALSE;
}
}
int draw_mode = GR_OR | GR_SURBRILL;
// DRC Ok: place track segments
Track->m_Flags = 0;
Track->SetState( EDIT, OFF );
Track->Draw( DrawPanel, DC, draw_mode );
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/* Draw dragged tracks */
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pt_drag = g_DragSegmentList;
for( ; pt_drag; pt_drag = pt_drag->Pnext )
{
Track = pt_drag->m_Segm;
Track->SetState( EDIT, OFF );
Track->m_Flags = 0;
Track->Draw( DrawPanel, DC, draw_mode );
/* Test the connections modified by the move
* (only pad connection must be tested, track connection will be
* tested by test_1_net_connexion() ) */
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int masque_layer = g_TabOneLayerMask[Track->GetLayer()];
Track->start = Fast_Locate_Pad_Connecte(
GetBoard(), Track->m_Start, masque_layer );
Track->end = Fast_Locate_Pad_Connecte(
GetBoard(), Track->m_End, masque_layer );
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}
EraseDragListe();
SaveCopyInUndoList( s_ItemsListPicker, UR_UNSPECIFIED );
s_ItemsListPicker.ClearItemsList(); // s_ItemsListPicker is no more owner
// of picked items
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OnModify();
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DrawPanel->ManageCurseur = NULL;
DrawPanel->ForceCloseManageCurseur = NULL;
if( current_net_code > 0 )
test_1_net_connexion( DC, current_net_code );
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return true;
}
/* Find the point "attachment" of the end of a trace.
* This may be a TBP or another segment of the trace
* Returns:
* - Pointer to the PAD or:
* - Pointer to the segment or:
* - NULL
* Parameters:
* - position to test
* - mask layers to be tested
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*/
BOARD_ITEM* LocateLockPoint( BOARD* Pcb, wxPoint pos, int LayerMask )
{
for( MODULE* module = Pcb->m_Modules; module; module = module->Next() )
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{
D_PAD* pad = Locate_Pads( module, pos, LayerMask );
if( pad )
return pad;
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}
/* No pad has been located so check for a segment of the trace. */
TRACK* ptsegm = Fast_Locate_Piste( Pcb->m_Track, NULL, pos, LayerMask );
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if( ptsegm == NULL )
ptsegm = Locate_Pistes( Pcb, Pcb->m_Track, pos, LayerMask );
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return ptsegm;
}
/* Create an intermediate point on a segment
* ASegm segment is broken into 2 segments connecting point pX, pY
* Returns:
* NULL if no new point (ie if aRefPoint already corresponded
* At one end where:
* Pointer to the segment created
* Created and the point is the intersection of 2 lines segments aSegm and
* refsegm
* Returns the exact value of aRefPoint
* If aSegm points to a via:
* Returns the exact value of aRefPoint and ptsegm,
* But does not create extra point
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*/
TRACK* CreateLockPoint( wxPoint& aRefPoint,
TRACK* aSegm,
TRACK* aRefSegm,
PICKED_ITEMS_LIST* aItemsListPicker )
{
int cX, cY;
int dx, dy;
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if( aSegm->m_Start == aRefPoint || aSegm->m_End == aRefPoint )
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return NULL;
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/* A via is a good lock point */
if( aSegm->Type() == TYPE_VIA )
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{
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aRefPoint = aSegm->m_Start;
return aSegm;
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}
/* Calculation coordinate of intermediate point in the coordinate origin
* = Original ptsegm
*/
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cX = aRefPoint.x - aSegm->m_Start.x;
cY = aRefPoint.y - aSegm->m_Start.y;
dx = aSegm->m_End.x - aSegm->m_Start.x;
dy = aSegm->m_End.y - aSegm->m_Start.y;
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// Not yet used:
#if 0
int ox, oy, fx, fy;
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if( aRefSegm )
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{
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ox = aRefSegm->m_Start.x - aSegm->m_Start.x;
oy = aRefSegm->m_Start.y - aSegm->m_Start.y;
fx = aRefSegm->m_End.x - aSegm->m_Start.x;
fy = aRefSegm->m_End.y - aSegm->m_Start.y;
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}
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#endif
/* that the item be on the segment ptsegm: cY/cX = dy/dx */
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if( dx == 0 )
cX = 0; /* segm horizontal */
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else
cY = ( cX * dy ) / dx;
/* Create the intermediate point (that is to say creation of a new
* segment, beginning at the intermediate point.
*/
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cX += aSegm->m_Start.x;
cY += aSegm->m_Start.y;
TRACK* newTrack = aSegm->Copy();
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if( aItemsListPicker )
{
ITEM_PICKER picker( newTrack, UR_NEW );
aItemsListPicker->PushItem( picker );
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}
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DLIST<TRACK>* list = (DLIST<TRACK>*)aSegm->GetList();
wxASSERT( list );
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list->Insert( newTrack, aSegm->Next() );
/* Correct pointer at the end of the new segment. */
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newTrack->end = aSegm->end;
/* Segment ends at new point. */
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if( aItemsListPicker )
{
ITEM_PICKER picker( aSegm, UR_CHANGED );
picker.m_Link = aSegm->Copy();
aItemsListPicker->PushItem( picker );
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}
aSegm->m_End.x = cX;
aSegm->m_End.y = cY;
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aSegm->SetState( END_ONPAD, OFF );
/* The next segment begins at the new point. */
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aSegm = newTrack;;
aSegm->m_Start.x = cX;
aSegm->m_Start.y = cY;
aSegm->SetState( BEGIN_ONPAD, OFF );
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aRefPoint.x = cX;
aRefPoint.y = cY;
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return aSegm;
}