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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) 2006 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 2011 Wayne Stambaugh <stambaughw@verizon.net>
* Copyright (C) 1992-2011 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 TRACK* NewTrack; /* New track or track being moved. */
static int NbPtNewTrack;
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 commands drag, copy or move track
*/
static void Abort_MoveTrack( EDA_DRAW_PANEL* Panel, wxDC* DC )
{
TRACK* NextS;
int ii;
BOARD * pcb = ( (PCB_EDIT_FRAME*) Panel->GetParent() )->GetBoard();
/* Erase the current drawings */
wxPoint oldpos = Panel->GetScreen()->GetCrossHairPosition();
Panel->GetScreen()->SetCrossHairPosition( PosInit );
if( Panel->IsMouseCaptured() )
Panel->m_mouseCaptureCallback( Panel, DC, wxDefaultPosition, true );
Panel->GetScreen()->SetCrossHairPosition( oldpos );
pcb->HighLightOFF();
pcb->DrawHighLight( Panel, DC, pcb->GetHighLightNetCode() );
if( NewTrack )
{
if( NewTrack->IsNew() )
{
for( ii = 0; ii < NbPtNewTrack; ii++, NewTrack = NextS )
{
if( NewTrack == NULL )
break;
NextS = NewTrack->Next();
delete NewTrack;
}
}
else /* Move existing trace. */
{
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() )
{
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;
}
DrawTraces( Panel, DC, NewTrack, NbPtNewTrack, GR_OR );
}
NewTrack = NULL;
}
( (PCB_EDIT_FRAME*) Panel->GetParent() )->SetCurItem( NULL );
/* Undo move and redraw trace segments. */
for( unsigned jj=0 ; jj < g_DragSegmentList.size(); jj++ )
{
TRACK* Track = g_DragSegmentList[jj].m_Segm;
g_DragSegmentList[jj].SetInitialValues();
Track->SetState( IN_EDIT, OFF );
Track->m_Flags = 0;
Track->Draw( Panel, DC, GR_OR );
}
// Clear the undo picker list:
s_ItemsListPicker.ClearListAndDeleteItems();
pcb->PopHighLight();
if( pcb->IsHighLightNetON() )
pcb->DrawHighLight( Panel, DC, pcb->GetHighLightNetCode() );
EraseDragList();
Panel->SetMouseCapture( NULL, NULL );
Panel->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 )
{
int ii;
wxPoint moveVector;
TRACK* Track;
BASE_SCREEN* screen = aPanel->GetScreen();
int track_fill_copy = DisplayOpt.DisplayPcbTrackFill;
int draw_mode = GR_XOR | GR_HIGHLIGHT;
DisplayOpt.DisplayPcbTrackFill = false;
aErase = true;
/* erase the current moved track segments from screen */
if( aErase )
{
if( NewTrack )
DrawTraces( aPanel, aDC, NewTrack, NbPtNewTrack, draw_mode );
}
/* set the new track coordinates */
wxPoint Pos = screen->GetCrossHairPosition();
moveVector = Pos - s_LastPos;
s_LastPos = Pos;
ii = NbPtNewTrack;
Track = NewTrack;
for( ; (ii > 0) && (Track != NULL); ii--, Track = Track->Next() )
{
if( Track->m_Flags & STARTPOINT )
Track->m_Start += moveVector;
if( Track->m_Flags & ENDPOINT )
Track->m_End += moveVector;
}
/* Redraw the current moved track segments */
DrawTraces( aPanel, aDC, NewTrack, NbPtNewTrack, draw_mode );
for( unsigned ii = 0; ii < g_DragSegmentList.size(); ii++ )
{
Track = g_DragSegmentList[ii].m_Segm;
if( aErase )
Track->Draw( aPanel, aDC, draw_mode );
if( Track->m_Flags & STARTPOINT )
Track->m_Start += moveVector;
if( Track->m_Flags & ENDPOINT )
Track->m_End += moveVector;
Track->Draw( aPanel, aDC, draw_mode );
}
DisplayOpt.DisplayPcbTrackFill = track_fill_copy;
// Display track length
PCB_BASE_FRAME* frame = (PCB_BASE_FRAME*) aPanel->GetParent();
if( Track == NULL ) // can happen if g_DragSegmentList is empty
Track = NewTrack; // try to use main item
if( Track )
Track->DisplayInfo( frame );
}
/* 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_Segm;
if( Track == NULL )
return;
ii--;
if( ii >= 0)
{
if( s_EndSegmentPresent )
{
// Get the segment connected to the end point
tSegmentToEnd = g_DragSegmentList[ii].m_Segm;
ii--;
}
if( s_StartSegmentPresent )
{
// Get the segment connected to the start point
if( ii >= 0 )
tSegmentToStart = g_DragSegmentList[ii].m_Segm;
}
}
int draw_mode = GR_XOR | GR_HIGHLIGHT;
/* Undraw the current moved track segments before modification*/
// if( erase )
{
Track->Draw( aPanel, aDC, draw_mode );
if( tSegmentToStart )
tSegmentToStart->Draw( aPanel, aDC, draw_mode );
if( tSegmentToEnd )
tSegmentToEnd->Draw( aPanel, aDC, draw_mode );
}
/* 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->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 = wxRound( xi1 );
Track->m_Start.y = wxRound( yi1 );
Track->m_End.x = wxRound( xi2 );
Track->m_End.y = wxRound( 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( 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();
Track->DisplayInfo( frame );
}
/* 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_Segm;
if( Track == NULL )
return false;
ii--;
if( ii >= 0)
{
if( s_EndSegmentPresent )
{
tSegmentToEnd = g_DragSegmentList[ii].m_Segm; // Get the segment connected to
// the end point
ii--;
}
if( s_StartSegmentPresent )
{
if( ii >= 0 )
tSegmentToStart = g_DragSegmentList[ii].m_Segm; // 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->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 PCB_EDIT_FRAME::StartMoveOneNodeOrSegment( TRACK* aTrack, wxDC* aDC, int aCommand )
{
if( !aTrack )
return;
NewTrack = NULL;
NbPtNewTrack = 0;
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 ) // For a via: always drag it
{
aTrack->m_Flags = IS_DRAGGED | STARTPOINT | ENDPOINT;
if( aCommand != ID_POPUP_PCB_MOVE_TRACK_SEGMENT )
{
Collect_TrackSegmentsToDrag( DrawPanel, aDC, aTrack->m_Start,
aTrack->ReturnMaskLayer(),
aTrack->GetNet() );
}
NewTrack = aTrack;
NbPtNewTrack = 1;
PosInit = aTrack->m_Start;
}
else
{
int diag = aTrack->IsPointOnEnds( GetScreen()->GetCrossHairPosition(), -1 );
wxPoint pos;
switch( aCommand )
{
case ID_POPUP_PCB_MOVE_TRACK_SEGMENT: // Move segment
aTrack->m_Flags |= IS_DRAGGED | ENDPOINT | STARTPOINT;
AddSegmentToDragList( DrawPanel, aDC, aTrack->m_Flags, aTrack );
break;
case ID_POPUP_PCB_DRAG_TRACK_SEGMENT: // drag a segment
pos = aTrack->m_Start;
Collect_TrackSegmentsToDrag( DrawPanel, aDC, pos,
aTrack->ReturnMaskLayer(),
aTrack->GetNet() );
pos = aTrack->m_End;
aTrack->m_Flags |= IS_DRAGGED | ENDPOINT | STARTPOINT;
Collect_TrackSegmentsToDrag( DrawPanel, aDC, pos,
aTrack->ReturnMaskLayer(),
aTrack->GetNet() );
break;
case ID_POPUP_PCB_MOVE_TRACK_NODE: // Drag via or move node
pos = (diag & STARTPOINT) ? aTrack->m_Start : aTrack->m_End;
Collect_TrackSegmentsToDrag( DrawPanel, aDC, pos,
aTrack->ReturnMaskLayer(),
aTrack->GetNet() );
PosInit = pos;
break;
}
aTrack->m_Flags |= IS_DRAGGED;
}
// Prepare the Undo command
ITEM_PICKER picker( aTrack, UR_CHANGED );
picker.m_Link = aTrack->Copy();
s_ItemsListPicker.PushItem( picker );
for( unsigned ii = 0; ii < g_DragSegmentList.size(); ii++ )
{
TRACK* draggedtrack = g_DragSegmentList[ii].m_Segm;
picker.m_PickedItem = draggedtrack;
picker.m_Link = draggedtrack->Copy();
s_ItemsListPicker.PushItem( picker );
draggedtrack = (TRACK*) picker.m_Link;
draggedtrack->SetStatus( 0 );
draggedtrack->m_Flags = 0;
}
s_LastPos = PosInit;
DrawPanel->SetMouseCapture( Show_MoveNode, Abort_MoveTrack );
GetBoard()->SetHighLightNet( aTrack->GetNet() );
GetBoard()->HighLightON();
GetBoard()->DrawHighLight( DrawPanel, aDC, GetBoard()->GetHighLightNetCode() );
DrawPanel->m_mouseCaptureCallback( DrawPanel, aDC, wxDefaultPosition, true );
}
#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 );
}
}
}
bool PCB_EDIT_FRAME::MergeCollinearTracks( TRACK* track, wxDC* DC, int end )
{
testtrack = track->GetTrace( 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 PCB_EDIT_FRAME::Start_DragTrackSegmentAndKeepSlope( TRACK* track, wxDC* DC )
{
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
s_StartSegmentPresent = s_EndSegmentPresent = true;
if( ( track->start == NULL ) || ( track->start->Type() == PCB_TRACE_T ) )
TrackToStartPoint = track->GetTrace( GetBoard()->m_Track, NULL, 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, START ) )
error = true;
TrackToStartPoint->SetState( BUSY, OFF );
}
if( ( track->end == NULL ) || ( track->end->Type() == PCB_TRACE_T ) )
TrackToEndPoint = track->GetTrace( GetBoard()->m_Track, NULL, 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, 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();
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()->GetCrossHairPosition();
s_LastPos = GetScreen()->GetCrossHairPosition();
DrawPanel->SetMouseCapture( Show_Drag_Track_Segment_With_Cte_Slope, Abort_MoveTrack );
GetBoard()->SetHighLightNet( track->GetNet() );
GetBoard()->HighLightON();
GetBoard()->DrawHighLight( DrawPanel, 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_Segm;
picker.m_PickedItem = draggedtrack;
picker.m_Link = draggedtrack->Copy();
s_ItemsListPicker.PushItem( picker );
draggedtrack = (TRACK*) picker.m_Link;
draggedtrack->SetStatus( 0 );
draggedtrack->m_Flags = 0;
}
if( !InitialiseDragParameters() )
{
DisplayError( this, _( "Unable to drag this segment: two collinear segments" ) );
DrawPanel->m_mouseCaptureCallback = NULL;
Abort_MoveTrack( DrawPanel, 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_Segm, GetBoard()->m_Track );
if( errdrc == BAD_DRC )
return false;
}
}
int draw_mode = GR_OR | GR_HIGHLIGHT;
// DRC Ok: place track segments
Track->m_Flags = 0;
Track->SetState( IN_EDIT, OFF );
Track->Draw( DrawPanel, DC, draw_mode );
/* Draw dragged tracks */
for( unsigned ii = 0; ii < g_DragSegmentList.size(); ii++ )
{
Track = g_DragSegmentList[ii].m_Segm;
Track->SetState( IN_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 TestNetConnection() ) */
int layerMask = GetLayerMask( Track->GetLayer() );
Track->start = GetBoard()->GetPadFast( Track->m_Start, layerMask );
if( Track->start )
Track->SetState( BEGIN_ONPAD, ON );
else
Track->SetState( BEGIN_ONPAD, OFF );
Track->end = GetBoard()->GetPadFast( Track->m_End, 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
if( GetBoard()->IsHighLightNetON() )
HighLight( DC );
GetBoard()->PopHighLight();
if( GetBoard()->IsHighLightNetON() )
GetBoard()->DrawHighLight( DrawPanel, DC, GetBoard()->GetHighLightNetCode() );
OnModify();
DrawPanel->SetMouseCapture( NULL, NULL );
DrawPanel->Refresh();
if( current_net_code > 0 )
TestNetConnection( DC, current_net_code );
return true;
}
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