421 lines
12 KiB
C++
421 lines
12 KiB
C++
/**
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* @file dragsegm.cpp
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* @brief Classes to find track segments connected to a pad or a module
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* for drag commands
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*/
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/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2004-2012 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 1992-2012 KiCad Developers, see change_log.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <fctsys.h>
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#include <common.h>
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#include <trigo.h>
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#include <gr_basic.h>
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#include <class_drawpanel.h>
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#include <wxBasePcbFrame.h>
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#include <drag.h>
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#include <pcbnew.h>
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#include <class_module.h>
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#include <class_board.h>
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#include <connect.h>
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/* a list of DRAG_SEGM_PICKER items used to move or drag tracks */
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std::vector<DRAG_SEGM_PICKER> g_DragSegmentList;
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/* helper class to handle a list of track segments to drag or move
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*/
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DRAG_SEGM_PICKER::DRAG_SEGM_PICKER( TRACK* aTrack )
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{
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m_Track = aTrack;
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m_startInitialValue = m_Track->GetStart();
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m_endInitialValue = m_Track->GetEnd();
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m_Pad_Start = m_Track->GetState( START_ON_PAD ) ? (D_PAD*)m_Track->start : NULL;
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m_Pad_End = m_Track->GetState( END_ON_PAD ) ? (D_PAD*)m_Track->end : NULL;
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m_Flag = 0;
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m_RotationOffset = 0.0;
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m_Flipped = false;
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}
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void DRAG_SEGM_PICKER::SetAuxParameters()
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{
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MODULE* module = NULL;
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if( m_Pad_Start )
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{
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module = (MODULE *) m_Pad_Start->GetParent();
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m_PadStartOffset = m_Track->GetStart() - m_Pad_Start->GetPosition();
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}
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if( m_Pad_End )
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{
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if( module == NULL )
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module = (MODULE *) m_Pad_End->GetParent();
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m_PadEndOffset = m_Track->GetEnd() - m_Pad_End->GetPosition();
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}
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if( module )
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{
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m_Flipped = module->IsFlipped();
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m_RotationOffset = module->GetOrientation();
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}
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}
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void DRAG_SEGM_PICKER::SetTrackEndsCoordinates( wxPoint aOffset )
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{
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// the track start position is the pad position + m_PadStartOffset
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// however m_PadStartOffset is known for the initial rotation/flip
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// this is also true for track end position and m_PadEndOffset
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// Therefore, because rotation/flipping is allowed during a drag
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// and move module, we should recalculate the pad offset,
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// depending on the current orientation/flip state of the module
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// relative to its initial orientation.
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// (although most of time, offset is 0,0)
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double curr_rot_offset = m_RotationOffset;
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MODULE* module = NULL;
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bool flip = false;
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if( m_Pad_Start )
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module = (MODULE *) m_Pad_Start->GetParent();
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if( module == NULL && m_Pad_End )
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module = (MODULE *) m_Pad_End->GetParent();
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if( module )
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{
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flip = m_Flipped != module->IsFlipped();
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curr_rot_offset = module->GetOrientation() - m_RotationOffset;
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if( flip ) // when flipping, module orientation is negated
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curr_rot_offset = - module->GetOrientation() - m_RotationOffset;
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}
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if( m_Pad_Start )
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{
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wxPoint padoffset = m_PadStartOffset;
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if( curr_rot_offset != 0.0 )
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RotatePoint(&padoffset, curr_rot_offset);
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if( flip )
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NEGATE( padoffset.y );
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m_Track->SetStart( m_Pad_Start->GetPosition() - aOffset + padoffset );
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}
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if( m_Pad_End )
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{
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wxPoint padoffset = m_PadEndOffset;
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if( curr_rot_offset != 0.0 )
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RotatePoint( &padoffset, curr_rot_offset );
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if( flip )
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NEGATE( padoffset.y );
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m_Track->SetEnd( m_Pad_End->GetPosition() - aOffset + padoffset );
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}
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}
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// A sort function needed to build ordered pads lists
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extern bool sortPadsByXthenYCoord( D_PAD* const & ref, D_PAD* const & comp );
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void DRAG_LIST::BuildDragListe( MODULE* aModule )
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{
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m_Pad = NULL;
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m_Module = aModule;
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// Build connections info
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CONNECTIONS connections( m_Brd );
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std::vector<D_PAD*>&padList = connections.GetPadsList();
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for( D_PAD* pad = aModule->m_Pads; pad; pad = pad->Next() )
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padList.push_back( pad );
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sort( padList.begin(), padList.end(), sortPadsByXthenYCoord );
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fillList( connections );
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}
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void DRAG_LIST::BuildDragListe( D_PAD* aPad )
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{
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m_Pad = aPad;
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m_Module = NULL;
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// Build connections info
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CONNECTIONS connections( m_Brd );
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std::vector<D_PAD*>&padList = connections.GetPadsList();
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padList.push_back( aPad );
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fillList( connections );
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}
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// A helper function to sort track list per tracks
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bool sort_tracklist( const DRAG_SEGM_PICKER& ref, const DRAG_SEGM_PICKER& tst )
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{
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return ref.m_Track < tst.m_Track;
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}
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void DRAG_LIST::fillList( CONNECTIONS& aConnections )
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{
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aConnections.BuildTracksCandidatesList( m_Brd->m_Track, NULL);
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// Build connections info tracks to pads
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// Rebuild pads to track info only)
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aConnections.SearchTracksConnectedToPads( false, true );
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std::vector<D_PAD*>padList = aConnections.GetPadsList();
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// clear flags and variables of selected tracks
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for( unsigned ii = 0; ii < padList.size(); ii++ )
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{
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D_PAD * pad = padList[ii];
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// store track connected to the pad
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for( unsigned jj = 0; jj < pad->m_TracksConnected.size(); jj++ )
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{
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TRACK * track = pad->m_TracksConnected[jj];
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track->start = NULL;
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track->end = NULL;
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track->SetState( START_ON_PAD|END_ON_PAD|BUSY, OFF );
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}
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}
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// store tracks connected to pads
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for( unsigned ii = 0; ii < padList.size(); ii++ )
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{
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D_PAD * pad = padList[ii];
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// store track connected to the pad
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for( unsigned jj = 0; jj < pad->m_TracksConnected.size(); jj++ )
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{
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TRACK * track = pad->m_TracksConnected[jj];
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if( pad->HitTest( track->GetStart() ) )
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{
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track->start = pad;
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track->SetState( START_ON_PAD, ON );
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}
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if( pad->HitTest( track->GetEnd() ) )
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{
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track->end = pad;
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track->SetState( END_ON_PAD, ON );
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}
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DRAG_SEGM_PICKER wrapper( track );
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m_DragList.push_back( wrapper );
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}
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}
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// remove duplicate in m_DragList:
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// a track can be stored more than once if connected to 2 overlapping pads, or
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// each track end connected to 2 moving pads
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// to avoid artifact in draw function, items should be not duplicated
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// However, there is not a lot of items to be removed, so there ir no optimization.
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// sort the drag list by track pointers
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sort( m_DragList.begin(), m_DragList.end(), sort_tracklist );
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// Explore the list, merge duplicates
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for( int ii = 0; ii < (int)m_DragList.size()-1; ii++ )
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{
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int jj = ii+1;
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if( m_DragList[ii].m_Track != m_DragList[jj].m_Track )
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continue;
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// duplicate found: merge info and remove duplicate
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if( m_DragList[ii].m_Pad_Start == NULL )
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m_DragList[ii].m_Pad_Start = m_DragList[jj].m_Pad_Start;
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if( m_DragList[ii].m_Pad_End == NULL )
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m_DragList[ii].m_Pad_End = m_DragList[jj].m_Pad_End;
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m_DragList.erase( m_DragList.begin() + jj );
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ii--;
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}
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// Initialize pad offsets and other params
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for( unsigned ii = 0; ii < m_DragList.size(); ii++ )
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m_DragList[ii].SetAuxParameters();
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// Copy the list in global list
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g_DragSegmentList = m_DragList;
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}
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void DRAG_LIST::ClearList()
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{
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for( unsigned ii = 0; ii < m_DragList.size(); ii++ )
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m_DragList[ii].m_Track->ClearFlags();
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m_DragList.clear();
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m_Module = NULL;
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m_Pad = NULL;
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}
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// Redraw the list of segments stored in g_DragSegmentList, while moving a footprint
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void DrawSegmentWhileMovingFootprint( EDA_DRAW_PANEL* panel, wxDC* DC )
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{
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for( unsigned ii = 0; ii < g_DragSegmentList.size(); ii++ )
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{
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TRACK* track = g_DragSegmentList[ii].m_Track;
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#ifndef USE_WX_OVERLAY
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track->Draw( panel, DC, GR_XOR ); // erase from screen at old position
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#endif
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g_DragSegmentList[ii].SetTrackEndsCoordinates( g_Offset_Module );
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track->Draw( panel, DC, GR_XOR );
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}
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}
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void EraseDragList()
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{
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for( unsigned ii = 0; ii < g_DragSegmentList.size(); ii++ )
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g_DragSegmentList[ii].m_Track->ClearFlags();
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g_DragSegmentList.clear();
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}
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void AddSegmentToDragList( int flag, TRACK* aTrack )
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{
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DRAG_SEGM_PICKER wrapper( aTrack );
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if( flag & STARTPOINT )
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wrapper.m_Flag |= 1;
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if( flag & ENDPOINT )
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wrapper.m_Flag |= 2;
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if( flag & STARTPOINT )
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aTrack->SetFlags( STARTPOINT );
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if( flag & ENDPOINT )
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aTrack->SetFlags( ENDPOINT );
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g_DragSegmentList.push_back( wrapper );
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}
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void Collect_TrackSegmentsToDrag( BOARD* aPcb, const wxPoint& aRefPos, int aLayerMask,
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int aNetCode, int aMaxDist )
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{
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TRACK* track = aPcb->m_Track->GetStartNetCode( aNetCode );
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for( ; track; track = track->Next() )
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{
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if( track->GetNet() != aNetCode ) // not the same netcodenet code: all candidates tested
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break;
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if( ( aLayerMask & track->ReturnMaskLayer() ) == 0 )
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continue; // Cannot be connected, not on the same layer
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if( track->IsDragging() )
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continue; // already put in list
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int flag = 0;
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int maxdist = std::max( aMaxDist, track->GetWidth() / 2 );
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if( (track->GetFlags() & STARTPOINT) == 0 )
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{
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wxPoint delta = track->GetStart() - aRefPos;
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if( std::abs( delta.x ) <= maxdist && std::abs( delta.y ) <= maxdist )
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{
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int dist = (int) hypot( (double) delta.x, (double) delta.y );
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if( dist <= maxdist )
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{
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flag |= STARTPOINT;
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if( track->Type() == PCB_VIA_T )
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flag |= ENDPOINT;
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}
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}
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}
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if( (track->GetFlags() & ENDPOINT) == 0 )
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{
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wxPoint delta = track->GetEnd() - aRefPos;
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if( std::abs( delta.x ) <= maxdist && std::abs( delta.y ) <= maxdist )
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{
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int dist = (int) hypot( (double) delta.x, (double) delta.y );
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if( dist <= maxdist )
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flag |= ENDPOINT;
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}
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}
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// Note: vias will be flagged with both STARTPOINT and ENDPOINT
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// and must not be entered twice.
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if( flag )
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{
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AddSegmentToDragList( flag, track );
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// If a connected via is found at location aRefPos,
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// collect also tracks connected by this via.
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if( track->Type() == PCB_VIA_T )
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Collect_TrackSegmentsToDrag( aPcb, aRefPos, track->ReturnMaskLayer(),
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aNetCode, track->GetWidth() / 2 );
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}
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}
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}
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void UndrawAndMarkSegmentsToDrag( EDA_DRAW_PANEL* aCanvas, wxDC* aDC )
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{
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for( unsigned ii = 0; ii < g_DragSegmentList.size(); ii++ )
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{
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TRACK* track = g_DragSegmentList[ii].m_Track;
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track->Draw( aCanvas, aDC, GR_XOR );
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track->SetState( IN_EDIT, ON );
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if( g_DragSegmentList[ii].m_Flag & STARTPOINT )
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track->SetFlags( STARTPOINT );
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if( g_DragSegmentList[ii].m_Flag & ENDPOINT )
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track->SetFlags( ENDPOINT );
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track->Draw( aCanvas, aDC, GR_XOR );
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}
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}
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