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kicad/pcbnew/router/pns_tool_base.cpp

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/*
* KiRouter - a push-and-(sometimes-)shove PCB router
*
* Copyright (C) 2013 CERN
* Copyright (C) 2016 KiCad Developers, see AUTHORS.txt for contributors.
* Author: Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <wx/numdlg.h>
#include <functional>
using namespace std::placeholders;
#include "class_draw_panel_gal.h"
#include "class_board.h"
#include <pcb_edit_frame.h>
#include <id.h>
#include <macros.h>
#include <pcbnew_id.h>
#include <view/view_controls.h>
#include <pcb_painter.h>
#include <dialogs/dialog_pns_settings.h>
#include <dialogs/dialog_pns_diff_pair_dimensions.h>
#include <dialogs/dialog_pns_length_tuning_settings.h>
#include <dialogs/dialog_track_via_size.h>
#include <base_units.h>
#include <bitmaps.h>
#include <hotkeys.h>
#include <tool/context_menu.h>
#include <tools/pcb_actions.h>
#include <tools/grid_helper.h>
#include "pns_kicad_iface.h"
#include "pns_tool_base.h"
#include "pns_segment.h"
#include "pns_solid.h"
#include "pns_via.h"
#include "pns_router.h"
#include "pns_meander_placer.h" // fixme: move settings to separate header
#include "pns_tune_status_popup.h"
#include "pns_topology.h"
#include <view/view.h>
using namespace KIGFX;
namespace PNS {
TOOL_BASE::TOOL_BASE( const std::string& aToolName ) :
PCB_TOOL( aToolName )
{
m_gridHelper = nullptr;
m_iface = nullptr;
m_router = nullptr;
m_startItem = nullptr;
m_startLayer = 0;
m_endItem = nullptr;
m_gridHelper = nullptr;
}
TOOL_BASE::~TOOL_BASE()
{
delete m_gridHelper;
delete m_iface;
delete m_router;
}
void TOOL_BASE::Reset( RESET_REASON aReason )
{
delete m_gridHelper;
delete m_iface;
delete m_router;
m_iface = new PNS_KICAD_IFACE;
m_iface->SetBoard( board() );
m_iface->SetView( getView() );
m_iface->SetHostTool( this );
m_iface->SetDisplayOptions( (PCB_DISPLAY_OPTIONS*) frame()->GetDisplayOptions() );
m_router = new ROUTER;
m_router->SetInterface( m_iface );
m_router->ClearWorld();
m_router->SyncWorld();
m_router->LoadSettings( m_savedSettings );
m_router->UpdateSizes( m_savedSizes );
m_gridHelper = new GRID_HELPER( frame() );
}
ITEM* TOOL_BASE::pickSingleItem( const VECTOR2I& aWhere, int aNet, int aLayer, bool aIgnorePads )
{
int tl = getView()->GetTopLayer();
if( aLayer > 0 )
tl = aLayer;
static const int candidateCount = 5;
ITEM* prioritized[candidateCount];
int dist[candidateCount];
for( int i = 0; i < candidateCount; i++ )
{
prioritized[i] = 0;
dist[i] = std::numeric_limits<int>::max();
}
ITEM_SET candidates = m_router->QueryHoverItems( aWhere );
for( ITEM* item : candidates.Items() )
{
if( !item->IsRoutable() )
continue;
if( !IsCopperLayer( item->Layers().Start() ) )
continue;
// fixme: this causes flicker with live loop removal...
//if( item->Parent() && !item->Parent()->ViewIsVisible() )
// continue;
if( aNet <= 0 || item->Net() == aNet )
{
if( item->OfKind( ITEM::VIA_T | ITEM::SOLID_T ) )
{
if( item->OfKind( ITEM::SOLID_T ) && aIgnorePads )
continue;
int itemDist = ( item->Shape()->Centre() - aWhere ).SquaredEuclideanNorm();
if( !prioritized[2] || itemDist < dist[2] )
{
prioritized[2] = item;
dist[2] = itemDist;
}
if( item->Layers().Overlaps( tl ) && itemDist < dist[0] )
{
prioritized[0] = item;
dist[0] = itemDist;
}
}
else
{
if( !prioritized[3] )
prioritized[3] = item;
if( item->Layers().Overlaps( tl ) )
prioritized[1] = item;
}
}
// Allow unconnected items as last resort in RM_MarkObstacles mode
else if ( item->Net() == 0 && m_router->Settings().Mode() == RM_MarkObstacles )
{
if( item->OfKind( ITEM::SOLID_T ) && aIgnorePads )
continue;
if( item->Layers().Overlaps( tl ) )
prioritized[4] = item;
}
}
ITEM* rv = NULL;
for( int i = 0; i < candidateCount; i++ )
{
ITEM* item = prioritized[i];
if( displayOptions()->m_ContrastModeDisplay )
if( item && !item->Layers().Overlaps( tl ) )
item = NULL;
if( item && ( aLayer < 0 || item->Layers().Overlaps( aLayer ) ) )
{
rv = item;
break;
}
}
if( rv )
{
wxLogTrace( "PNS", "%s, layer : %d, tl: %d", rv->KindStr().c_str(), rv->Layers().Start(), tl );
}
return rv;
}
void TOOL_BASE::highlightNet( bool aEnabled, int aNetcode )
{
RENDER_SETTINGS* rs = getView()->GetPainter()->GetSettings();
if( aNetcode >= 0 && aEnabled )
rs->SetHighlight( true, aNetcode );
else
rs->SetHighlight( false );
getView()->UpdateAllLayersColor();
}
bool TOOL_BASE::checkSnap( ITEM *aItem )
{
bool doSnap = false;
// Sync PNS engine settings with the general PCB editor options. I know the code below is awful, but...
auto& pnss = m_router->Settings();
const auto& gens = frame()->Settings();
pnss.SetSnapToTracks( false );
pnss.SetSnapToPads( false );
if( gens.m_magneticPads == CAPTURE_CURSOR_IN_TRACK_TOOL || gens.m_magneticPads == CAPTURE_ALWAYS )
pnss.SetSnapToPads( true );
if( gens.m_magneticTracks == CAPTURE_CURSOR_IN_TRACK_TOOL || gens.m_magneticTracks == CAPTURE_ALWAYS )
pnss.SetSnapToTracks( true );
if( aItem )
{
if( ( aItem->OfKind( ITEM::VIA_T ) || aItem->OfKind( ITEM::SEGMENT_T ) ) && pnss.GetSnapToTracks() )
doSnap = true;
else if( aItem->OfKind( ITEM::SOLID_T ) && pnss.GetSnapToPads() )
doSnap = true;
}
return doSnap;
}
void TOOL_BASE::updateStartItem( const TOOL_EVENT& aEvent, bool aIgnorePads )
{
int tl = getView()->GetTopLayer();
VECTOR2I cp = controls()->GetCursorPosition();
VECTOR2I p;
controls()->ForceCursorPosition( false );
bool snapEnabled = true;
if( aEvent.IsMotion() || aEvent.IsClick() )
{
snapEnabled = !aEvent.Modifier( MD_SHIFT );
p = aEvent.Position();
}
else
{
p = cp;
}
m_startItem = pickSingleItem( p, -1, -1, aIgnorePads );
if( !snapEnabled && m_startItem && !m_startItem->Layers().Overlaps( tl ) )
m_startItem = nullptr;
m_startSnapPoint = snapToItem( snapEnabled, m_startItem, p );
if( checkSnap ( m_startItem ))
{
controls()->ForceCursorPosition( true, m_startSnapPoint );
}
}
void TOOL_BASE::updateEndItem( const TOOL_EVENT& aEvent )
{
controls()->ForceCursorPosition( false );
VECTOR2I mousePos = controls()->GetMousePosition();
VECTOR2I cursorPos = controls()->GetCursorPosition();
int layer;
bool snapEnabled = !aEvent.Modifier( MD_SHIFT );
if( m_router->Settings().Mode() != RM_MarkObstacles &&
( m_router->GetCurrentNets().empty() || m_router->GetCurrentNets().front() < 0 ) )
{
m_endSnapPoint = snapToItem( snapEnabled, nullptr, mousePos );
controls()->ForceCursorPosition( true, m_endSnapPoint );
m_endItem = nullptr;
return;
}
if( m_router->IsPlacingVia() )
layer = -1;
else
layer = m_router->GetCurrentLayer();
ITEM* endItem = nullptr;
std::vector<int> nets = m_router->GetCurrentNets();
for( int net : nets )
{
endItem = pickSingleItem( mousePos, net, layer );
if( endItem )
break;
}
if( checkSnap( endItem ) )
{
VECTOR2I p = snapToItem( snapEnabled, endItem, mousePos );
controls()->ForceCursorPosition( true, p );
m_endItem = endItem;
m_endSnapPoint = p;
} else {
m_endItem = nullptr;
m_endSnapPoint = cursorPos;
}
if( m_endItem )
{
wxLogTrace( "PNS", "%s, layer : %d", m_endItem->KindStr().c_str(), m_endItem->Layers().Start() );
}
}
void TOOL_BASE::deleteTraces( ITEM* aStartItem, bool aWholeTrack )
{
NODE *node = m_router->GetWorld()->Branch();
if( !aStartItem )
return;
if( !aWholeTrack )
{
node->Remove( aStartItem );
}
else
{
TOPOLOGY topo( node );
ITEM_SET path = topo.AssembleTrivialPath( aStartItem );
for( auto ent : path.Items() )
node->Remove( ent.item );
}
m_router->CommitRouting( node );
}
ROUTER *TOOL_BASE::Router() const
{
return m_router;
}
const VECTOR2I TOOL_BASE::snapToItem( bool aEnabled, ITEM* aItem, VECTOR2I aP)
{
VECTOR2I anchor;
if( !aItem || !aEnabled )
{
return m_gridHelper->Align( aP );
}
switch( aItem->Kind() )
{
case ITEM::SOLID_T:
anchor = static_cast<SOLID*>( aItem )->Pos();
break;
case ITEM::VIA_T:
anchor = static_cast<VIA*>( aItem )->Pos();
break;
case ITEM::SEGMENT_T:
{
SEGMENT* seg = static_cast<SEGMENT*>( aItem );
const SEG& s = seg->Seg();
int w = seg->Width();
if( ( aP - s.A ).EuclideanNorm() < w / 2 )
anchor = s.A;
else if( ( aP - s.B ).EuclideanNorm() < w / 2 )
anchor = s.B;
else
anchor = m_gridHelper->AlignToSegment( aP, s );
break;
}
default:
break;
}
return anchor;
}
}
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