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kicad/pcbnew/move_or_drag_track.cpp

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/****************************************************/
/* Track editing */
/* routines to move and drag track segments or node */
/****************************************************/
#include "fctsys.h"
#include "gr_basic.h"
#include "common.h"
#include "pcbnew.h"
#include "autorout.h"
#include "trigo.h"
#include "drag.h"
#include "id.h"
#include "protos.h"
/* local functions */
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 );
static void Abort_MoveTrack( WinEDA_DrawPanel* Panel, wxDC* DC );
static bool InitialiseDragParameters();
/* variables locales */
static wxPoint PosInit, s_LastPos;
static TRACK* NewTrack; /* Nouvelle piste creee ou piste deplacee */
static int NbPtNewTrack;
static int Old_HightLigth_NetCode;
static bool Old_HightLigt_Status;
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 void Abort_MoveTrack( WinEDA_DrawPanel* Panel, wxDC* DC )
/***************************************************************/
/* routine d'annulation de la commande drag, copy ou move track si une piste est en cours
* de tracage, ou de sortie de l'application EDITRACK.
*/
{
TRACK* NextS;
int ii;
/* Erase the current drawings */
wxPoint oldpos = Panel->GetScreen()->m_Curseur;
Panel->GetScreen()->m_Curseur = PosInit;
if( Panel->ManageCurseur )
Panel->ManageCurseur( Panel, DC, TRUE );
Panel->GetScreen()->m_Curseur = oldpos;
g_HightLigt_Status = FALSE;
( (WinEDA_PcbFrame*) Panel->m_Parent )->DrawHightLight( DC, g_HightLigth_NetCode );
if( NewTrack )
{
if( NewTrack->m_Flags & IS_NEW )
{
for( ii = 0; ii < NbPtNewTrack; ii++, NewTrack = NextS )
{
if( NewTrack == NULL )
break;
NextS = (TRACK*) NewTrack->Pnext;
delete NewTrack;
}
}
else /* Move : remise en ancienne position */
{
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*) Track->Pnext )
{
if( Track == NULL )
break;
Track->m_Start.x -= dx;
Track->m_Start.y -= dy;
Track->m_End.x -= dx;
Track->m_End.y -= dy;
Track->m_Flags = 0;
}
Trace_Une_Piste( Panel, DC, NewTrack, NbPtNewTrack, GR_OR );
}
NewTrack = NULL;
}
Panel->ManageCurseur = NULL;
Panel->ForceCloseManageCurseur = NULL;
((WinEDA_PcbFrame*)Panel->m_Parent)->SetCurItem(NULL);
/* Annulation deplacement et Redessin des segments dragges */
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 );
}
g_HightLigth_NetCode = Old_HightLigth_NetCode;
g_HightLigt_Status = Old_HightLigt_Status;
if( g_HightLigt_Status )
( (WinEDA_PcbFrame*) Panel->m_Parent )->DrawHightLight( DC, g_HightLigth_NetCode );
EraseDragListe();
}
/*************************************************************************/
static void Show_MoveNode( WinEDA_DrawPanel* panel, wxDC* DC, bool erase )
/*************************************************************************/
/* Redraw the moved node according to the mouse cursor position */
{
int ii, dx, dy;
TRACK* Track;
BASE_SCREEN* screen = panel->GetScreen();
int track_fill_copy = DisplayOpt.DisplayPcbTrackFill;
int draw_mode = GR_XOR | GR_SURBRILL;
DisplayOpt.DisplayPcbTrackFill = FALSE;
erase = TRUE;
/* 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;
dx = Pos.x - s_LastPos.x;
dy = Pos.y - s_LastPos.y;
s_LastPos = Pos;
ii = NbPtNewTrack, Track = NewTrack;
for( ; (ii > 0) && (Track != NULL); ii--, Track = Track->Next() )
{
if( Track->m_Flags & STARTPOINT )
{
Track->m_Start.x += dx; Track->m_Start.y += dy;
}
if( Track->m_Flags & ENDPOINT )
{
Track->m_End.x += dx; Track->m_End.y += dy;
}
}
/* Redraw the current moved track segments */
Trace_Une_Piste( panel, DC, NewTrack, NbPtNewTrack, GR_XOR );
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 );
if( Track->m_Flags & STARTPOINT )
{
Track->m_Start.x += dx; Track->m_Start.y += dy;
}
if( Track->m_Flags & ENDPOINT )
{
Track->m_End.x += dx; Track->m_End.y += dy;
}
Track->Draw( panel, DC, draw_mode );
}
DisplayOpt.DisplayPcbTrackFill = track_fill_copy;
}
/*************************************************************************/
static void Show_Drag_Track_Segment_With_Cte_Slope( WinEDA_DrawPanel* panel,
wxDC* DC, bool erase )
/*************************************************************************/
/* 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 parametres are computed once, because they can become undetermined when moving segments
* (i.e. when a segment lenght is 0) and we want keep them constant
*/
{
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 = 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; if( Track == NULL )
return;
TrackSegWrapper = TrackSegWrapper->Pnext;
if( TrackSegWrapper )
{
if( s_EndSegmentPresent )
{
tSegmentToEnd = TrackSegWrapper->m_Segm; // Get the segment connected to the end point
TrackSegWrapper = TrackSegWrapper->Pnext;
}
if( s_StartSegmentPresent )
{
if( TrackSegWrapper )
tSegmentToStart = TrackSegWrapper->m_Segm; // Get the segment connected to the start point
}
}
int draw_mode = GR_XOR | GR_SURBRILL;
/* Undraw the current moved track segments before modification*/
// if( erase )
{
Track->Draw( panel, DC, draw_mode );
if( tSegmentToStart )
tSegmentToStart->Draw( panel, DC, draw_mode );
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;
//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);
// 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->m_Start.x = (int) round( xi1 );
Track->m_Start.y = (int) round( yi1 );
Track->m_End.x = (int) round( xi2 );
Track->m_End.y = (int) round( yi2 );
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 );
}
/**********************************/
bool InitialiseDragParameters()
/**********************************/
/* 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)
*/
{
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
TrackSegWrapper = TrackSegWrapper->Pnext;
}
if( s_StartSegmentPresent )
{
if( TrackSegWrapper )
tSegmentToStart = TrackSegWrapper->m_Segm; // Get the segment connected to the start point
}
}
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->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
{
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 )
{
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->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
{
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 )
{
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->m_Start.x;
ty1 = (double) Track->m_Start.y;
tx2 = (double) Track->m_End.x;
ty2 = (double) Track->m_End.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 WinEDA_PcbFrame::Start_MoveOneNodeOrSegment( TRACK* track, wxDC* DC, int command )
/*************************************************************************************/
/* Init parametres to move one node:
* a via or/and a terminal point of a track segment
* The terminal point of other connected segments (if any) are moved too.
*/
{
if( !track )
return;
NewTrack = NULL;
NbPtNewTrack = 0;
EraseDragListe();
/* Change hight light net: the new one will be hightlighted */
Old_HightLigt_Status = g_HightLigt_Status;
Old_HightLigth_NetCode = g_HightLigth_NetCode;
if( g_HightLigt_Status )
Hight_Light( DC );
PosInit = GetScreen()->m_Curseur;
if( track->Type() == TYPEVIA )
{
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->m_NetCode );
}
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->m_NetCode );
pos = track->m_End;
track->m_Flags |= IS_DRAGGED | ENDPOINT | STARTPOINT;
Collect_TrackSegmentsToDrag( DrawPanel, DC, pos,
track->ReturnMaskLayer(), track->m_NetCode );
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->m_NetCode );
PosInit = pos;
break;
}
track->m_Flags |= IS_DRAGGED;
}
s_LastPos = PosInit;
DrawPanel->ManageCurseur = Show_MoveNode;
DrawPanel->ForceCloseManageCurseur = Abort_MoveTrack;
g_HightLigth_NetCode = track->m_NetCode;
g_HightLigt_Status = TRUE;
DrawHightLight( DC, g_HightLigth_NetCode );
DrawPanel->ManageCurseur( DrawPanel, DC, TRUE );
}
/***********************************************************************************/
void WinEDA_PcbFrame::Start_DragTrackSegmentAndKeepSlope( TRACK* track, wxDC* DC )
/***********************************************************************************/
{
TRACK* TrackToStartPoint = NULL;
TRACK* TrackToEndPoint = NULL;
bool error = FALSE;
if( !track )
return;
s_StartSegmentPresent = s_EndSegmentPresent = TRUE;
if( (track->start == NULL) || (track->start->Type() == TYPETRACK) )
TrackToStartPoint = (TRACK*) Locate_Piste_Connectee( track, m_Pcb->m_Track, NULL, START );
// Test if more than one segment is connected to this point
if( TrackToStartPoint )
{
TrackToStartPoint->SetState( BUSY, ON );
if( Locate_Piste_Connectee( track, m_Pcb->m_Track, NULL, START ) )
error = TRUE;
TrackToStartPoint->SetState( BUSY, OFF );
}
if( (track->end == NULL) || (track->end->Type() == TYPETRACK) )
TrackToEndPoint = (TRACK*) Locate_Piste_Connectee( track, m_Pcb->m_Track, NULL, END );
// Test if more than one segment is connected to this point
if( TrackToEndPoint )
{
TrackToEndPoint->SetState( BUSY, ON );
if( Locate_Piste_Connectee( track, m_Pcb->m_Track, NULL, 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() != TYPETRACK) )
s_StartSegmentPresent = FALSE;
if( !TrackToEndPoint || (TrackToEndPoint->Type() != TYPETRACK) )
s_EndSegmentPresent = FALSE;
/* Change hight light net: the new one will be hightlighted */
Old_HightLigt_Status = g_HightLigt_Status;
Old_HightLigth_NetCode = g_HightLigth_NetCode;
if( g_HightLigt_Status )
Hight_Light( DC );
EraseDragListe();
NewTrack = NULL;
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;
}
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_HightLigth_NetCode = track->m_NetCode;
g_HightLigt_Status = TRUE;
DrawHightLight( DC, g_HightLigth_NetCode );
if( !InitialiseDragParameters() )
{
DisplayError( this, _( "Unable to drag this segment: two collinear segments" ) );
DrawPanel->ManageCurseur = NULL;
Abort_MoveTrack( DrawPanel, DC );
return;
}
}
/**********************************************************************/
bool WinEDA_PcbFrame::PlaceDraggedTrackSegment( TRACK* Track, wxDC* DC )
/**********************************************************************/
/* Place a dragged (or moved) track segment or via */
{
int errdrc;
DRAG_SEGM* pt_drag;
if( Track == NULL )
return FALSE;
int current_net_code = Track->m_NetCode;
// DRC control:
if( Drc_On )
{
errdrc = Drc( this, DC, Track, m_Pcb->m_Track, 1 );
if( errdrc == BAD_DRC )
return FALSE;
/* Redraw the dragged segments */
pt_drag = g_DragSegmentList;
for( ; pt_drag != NULL; pt_drag = pt_drag->Pnext )
{
errdrc = Drc( this, DC, pt_drag->m_Segm, m_Pcb->m_Track, 1 );
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 );
/* Tracage des segments dragges */
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() ) */
int masque_layer = g_TabOneLayerMask[Track->GetLayer()];
Track->start = Fast_Locate_Pad_Connecte( m_Pcb, Track->m_Start, masque_layer );
Track->end = Fast_Locate_Pad_Connecte( m_Pcb, Track->m_End, masque_layer );
}
EraseDragListe();
GetScreen()->SetModify();
DrawPanel->ManageCurseur = NULL;
DrawPanel->ForceCloseManageCurseur = NULL;
if( current_net_code > 0 )
test_1_net_connexion( DC, current_net_code );
return TRUE;
}
/************************************************************************/
EDA_BaseStruct* LocateLockPoint( BOARD* Pcb, wxPoint pos, int LayerMask )
/************************************************************************/
/* Routine trouvant le point " d'accrochage " d'une extremite de piste.
* Ce point peut etre un PAD ou un autre segment de piste
* Retourne:
* - pointeur sur ce PAD ou:
* - pointeur sur le segment ou:
* - NULL
* Parametres d'appel:
* coord pX, pY du point tst
* masque des couches a tester
*/
{
D_PAD* pt_pad;
TRACK* ptsegm;
MODULE* Module;
/* detection du point type PAD */
pt_pad = NULL;
Module = Pcb->m_Modules;
for( ; Module != NULL; Module = (MODULE*) Module->Pnext )
{
pt_pad = Locate_Pads( Module, pos, LayerMask );
if( pt_pad )
return pt_pad;
}
/* ici aucun pad n'a ete localise: detection d'un segment de piste */
ptsegm = Fast_Locate_Piste( Pcb->m_Track, NULL, pos, LayerMask );
if( ptsegm == NULL )
ptsegm = Locate_Pistes( Pcb->m_Track, pos, LayerMask );
return ptsegm;
}
/******************************************************************************/
TRACK* CreateLockPoint( int* pX, int* pY, TRACK* ptsegm, TRACK* refsegm )
/******************************************************************************/
/* Routine de creation d'un point intermediaire sur un segment
* le segment ptsegm est casse en 2 segments se raccordant au point pX, pY
* retourne:
* NULL si pas de nouveau point ( c.a.d si pX, pY correspondait deja
* a une extremite ou:
* pointeur sur le segment cree
* si refsegm != NULL refsegm est pointeur sur le segment incident,
* et le point cree est l'intersection des 2 axes des segments ptsegm et
* refsegm
* retourne la valeur exacte de pX et pY
* Si ptsegm pointe sur une via:
* retourne la valeur exacte de pX et pY et ptsegm,
* mais ne cree pas de point supplementaire
*
*/
{
int cX, cY;
int dx, dy; /* Coord de l'extremite du segm ptsegm / origine */
int ox, oy, fx, fy; /* coord de refsegm / origine de prsegm */
TRACK* NewTrack;
if( (ptsegm->m_Start.x == *pX) && (ptsegm->m_Start.y == *pY) )
return NULL;
if( (ptsegm->m_End.x == *pX) && (ptsegm->m_End.y == *pY) )
return NULL;
/* le point n'est pas sur une extremite de piste */
if( ptsegm->Type() == TYPEVIA )
{
*pX = ptsegm->m_Start.x; *pY = ptsegm->m_Start.y;
return ptsegm;
}
/* calcul des coord vraies du point intermediaire dans le repere d'origine
* = origine de ptsegm */
cX = *pX - ptsegm->m_Start.x;
cY = *pY - ptsegm->m_Start.y;
dx = ptsegm->m_End.x - ptsegm->m_Start.x;
dy = ptsegm->m_End.y - ptsegm->m_Start.y;
// ***** A COMPLETER : non utilise
if( refsegm )
{
ox = refsegm->m_Start.x - ptsegm->m_Start.x;
oy = refsegm->m_Start.y - ptsegm->m_Start.y;
fx = refsegm->m_End.x - ptsegm->m_Start.x;
fy = refsegm->m_End.y - ptsegm->m_Start.y;
}
/* pour que le point soit sur le segment ptsegm: cY/cX = dy/dx */
if( dx == 0 )
cX = 0;/* segm horizontal */
else
cY = (cX * dy) / dx;
/* creation du point intermediaire ( c'est a dire creation d'un nouveau
* segment, debutant au point intermediaire */
cX += ptsegm->m_Start.x; cY += ptsegm->m_Start.y;
NewTrack = ptsegm->Copy();
NewTrack->Insert( NULL, ptsegm );
/* correction du pointeur de fin du nouveau segment */
NewTrack->end = ptsegm->end;
/* le segment primitif finit au nouveau point : */
ptsegm->m_End.x = cX; ptsegm->m_End.y = cY;
ptsegm->SetState( END_ONPAD, OFF );
/* le nouveau segment debute au nouveau point : */
ptsegm = NewTrack;;
ptsegm->m_Start.x = cX; ptsegm->m_Start.y = cY;
ptsegm->SetState( BEGIN_ONPAD, OFF );
*pX = cX; *pY = cY;
return ptsegm;
}
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