kicad/pcbnew/ratsnest.cpp

260 lines
7.7 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2007-2014 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 1992-2012 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 ratsnest.cpp
* @brief Ratsnets functions.
*/
#include <fctsys.h>
#include <gr_basic.h>
#include <common.h>
#include <class_drawpanel.h>
#include <wxBasePcbFrame.h>
#include <macros.h>
#include <class_board.h>
#include <class_module.h>
#include <class_track.h>
#include <pcbnew.h>
#include <connectivity_data.h>
#include <ratsnest_data.h>
#include <wxPcbStruct.h>
/**
* Function Compile_Ratsnest
* Create the entire board ratsnest.
* Must be called after a board change (changes for
* pads, footprints or a read netlist ).
* @param aDC = the current device context (can be NULL)
* @param aDisplayStatus : if true, display the computation results
*/
void PCB_BASE_FRAME::Compile_Ratsnest( wxDC* aDC, bool aDisplayStatus )
{
GetBoard()->GetConnectivity()->RecalculateRatsnest();
GetBoard()->m_Status_Pcb = 0; // we want a full ratsnest computation, from the scratch
if( GetBoard()->IsElementVisible( LAYER_RATSNEST ) && aDC )
DrawGeneralRatsnest( aDC, 0 );
wxString msg;
ClearMsgPanel();
if( aDisplayStatus )
{
msg.Printf( wxT( " %d" ), m_Pcb->GetConnectivity()->GetPadCount() );
AppendMsgPanel( wxT( "Pads" ), msg, RED );
msg.Printf( wxT( " %d" ), m_Pcb->GetConnectivity()->GetNetCount() );
AppendMsgPanel( wxT( "Nets" ), msg, CYAN );
SetMsgPanel( m_Pcb );
}
}
/**
* function DrawGeneralRatsnest
* Only ratsnest items with the status bit CH_VISIBLE set are displayed
* @param aDC = the current device context (can be NULL)
* @param aNetcode: if > 0, Display only the ratsnest relative to the
* corresponding net_code
*/
void PCB_BASE_FRAME::DrawGeneralRatsnest( wxDC* aDC, int aNetcode )
{
if( ( m_Pcb->m_Status_Pcb & DO_NOT_SHOW_GENERAL_RASTNEST ) )
{
return;
}
if( aDC == NULL )
return;
auto connectivity = m_Pcb->GetConnectivity();
COLOR4D color = Settings().Colors().GetItemColor( LAYER_RATSNEST );
for( int i = 1; i < connectivity->GetNetCount(); ++i )
{
RN_NET* net = connectivity->GetRatsnestForNet( i );
if( !net )
continue;
if( ( aNetcode <= 0 ) || ( aNetcode == i ) )
{
for( const auto& edge : net->GetEdges() )
{
auto s = edge.GetSourcePos();
auto d = edge.GetTargetPos();
auto sn = edge.GetSourceNode();
auto dn = edge.GetTargetNode();
bool enable = !sn->GetNoLine() && !dn->GetNoLine();
bool show = sn->Parent()->GetLocalRatsnestVisible()
|| dn->Parent()->GetLocalRatsnestVisible();
if( enable && show )
GRLine( m_canvas->GetClipBox(), aDC, wxPoint( s.x, s.y ), wxPoint( d.x,
d.y ), 0, color );
}
}
}
}
void PCB_BASE_FRAME::TraceModuleRatsNest( wxDC* DC )
{
if( DC == NULL )
return;
COLOR4D tmpcolor = Settings().Colors().GetItemColor( LAYER_RATSNEST );
for( const auto& l : GetBoard()->GetConnectivity()->GetDynamicRatsnest() )
{
GRLine( m_canvas->GetClipBox(), DC, wxPoint( l.a.x, l.a.y ), wxPoint( l.b.x,
l.b.y ), 0, tmpcolor );
}
}
/*
* PCB_BASE_FRAME::BuildAirWiresTargetsList and
* PCB_BASE_FRAME::TraceAirWiresToTargets
* are 2 function to show the near connecting points when
* a new track is created, by displaying g_MaxLinksShowed airwires
* between the on grid mouse cursor and these connecting points
* during the creation of a track
*/
/* Buffer to store pads coordinates when creating a track.
* these pads are members of the net
* and when the mouse is moved, the g_MaxLinksShowed links to neighbors are
* drawn
*/
static wxPoint s_CursorPos; // Coordinate of the moving point (mouse cursor and
// end of current track segment)
/* Function BuildAirWiresTargetsList
* Build a list of candidates that can be a coonection point
* when a track is started.
* This functions prepares data to show airwires to nearest connecting points (pads)
* from the current new track to candidates during track creation
*/
static BOARD_CONNECTED_ITEM* s_ref = nullptr;
static int s_refNet = -1;
void PCB_BASE_FRAME::BuildAirWiresTargetsList( BOARD_CONNECTED_ITEM* aItemRef,
const wxPoint& aPosition, int aNet )
{
s_CursorPos = aPosition; // needed for sort_by_distance
s_ref = aItemRef;
s_refNet = aNet;
}
static MODULE movedModule( nullptr );
void PCB_BASE_FRAME::build_ratsnest_module( MODULE* aModule, wxPoint aMoveVector )
{
auto connectivity = GetBoard()->GetConnectivity();
movedModule = *aModule;
movedModule.Move( -aMoveVector );
connectivity->ClearDynamicRatsnest();
connectivity->BlockRatsnestItems( { aModule } );
connectivity->ComputeDynamicRatsnest( { &movedModule } );
}
void PCB_BASE_FRAME::TraceAirWiresToTargets( wxDC* aDC )
{
auto connectivity = GetBoard()->GetConnectivity();
auto displ_opts = (PCB_DISPLAY_OPTIONS*) GetDisplayOptions();
auto targets = connectivity->NearestUnconnectedTargets( s_ref, s_CursorPos, s_refNet );
if( aDC == NULL )
return;
GRSetDrawMode( aDC, GR_XOR );
for( int i = 0; i < std::min( (int) displ_opts->m_MaxLinksShowed, (int) targets.size() ); i++ )
{
auto p = targets[i];
GRLine( m_canvas->GetClipBox(), aDC, s_CursorPos, wxPoint( p.x, p.y ), 0, YELLOW );
}
}
// Redraw in XOR mode the outlines of the module.
void MODULE::DrawOutlinesWhenMoving( EDA_DRAW_PANEL* panel, wxDC* DC,
const wxPoint& aMoveVector )
{
int pad_fill_tmp;
D_PAD* pt_pad;
DrawEdgesOnly( panel, DC, aMoveVector, GR_XOR );
auto displ_opts = (PCB_DISPLAY_OPTIONS*) ( panel->GetDisplayOptions() );
// Show pads in sketch mode to speedu up drawings
pad_fill_tmp = displ_opts->m_DisplayPadFill;
displ_opts->m_DisplayPadFill = true;
pt_pad = PadsList();
for( ; pt_pad != NULL; pt_pad = pt_pad->Next() )
pt_pad->Draw( panel, DC, GR_XOR, aMoveVector );
displ_opts->m_DisplayPadFill = pad_fill_tmp;
if( displ_opts->m_Show_Module_Ratsnest )
{
PCB_BASE_FRAME* frame = (PCB_BASE_FRAME*) panel->GetParent();
frame->build_ratsnest_module( this, aMoveVector );
frame->TraceModuleRatsNest( DC );
}
}
void PCB_EDIT_FRAME::Show_1_Ratsnest( EDA_ITEM* item, wxDC* DC )
{
if( item && item->Type() == PCB_MODULE_T )
{
auto mod = static_cast<MODULE*> (item);
for( auto pad : mod->Pads() )
{
pad->SetLocalRatsnestVisible( true );
}
m_canvas->Refresh();
}
}