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kicad/pcbnew/router/router_tool.cpp

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/*
* KiRouter - a push-and-(sometimes-)shove PCB router
*
* Copyright (C) 2013 CERN
* 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 <boost/foreach.hpp>
#include <boost/optional.hpp>
#include <boost/bind.hpp>
#include "class_draw_panel_gal.h"
#include "class_board.h"
#include <wxPcbStruct.h>
#include <id.h>
#include <macros.h>
#include <pcbnew_id.h>
#include <view/view_controls.h>
#include <pcbcommon.h>
#include <pcb_painter.h>
#include <dialogs/dialog_pns_settings.h>
#include <dialogs/dialog_pns_diff_pair_dimensions.h>
#include <dialogs/dialog_track_via_size.h>
#include <base_units.h>
#include <hotkeys.h>
#include <tool/context_menu.h>
#include <tool/tool_manager.h>
#include <tool/tool_settings.h>
#include <tools/common_actions.h>
#include <tools/size_menu.h>
#include <ratsnest_data.h>
#include "router_tool.h"
#include "pns_segment.h"
#include "pns_router.h"
#include "trace.h"
using namespace KIGFX;
using boost::optional;
static TOOL_ACTION ACT_NewTrack( "pcbnew.InteractiveRouter.NewTrack", AS_CONTEXT,
TOOL_ACTION::LegacyHotKey( HK_ADD_NEW_TRACK ),
_( "New Track" ), _( "Starts laying a new track." ), add_tracks_xpm );
static TOOL_ACTION ACT_EndTrack( "pcbnew.InteractiveRouter.EndTrack", AS_CONTEXT, WXK_END,
_( "End Track" ), _( "Stops laying the current track." ), checked_ok_xpm );
static TOOL_ACTION ACT_AutoEndRoute( "pcbnew.InteractiveRouter.AutoEndRoute", AS_CONTEXT, 'F',
_( "Auto-end Track" ), _( "Automagically finishes currently routed track." ) );
static TOOL_ACTION ACT_Drag( "pcbnew.InteractiveRouter.Drag", AS_CONTEXT,
TOOL_ACTION::LegacyHotKey( HK_DRAG_TRACK_KEEP_SLOPE ),
_( "Drag Track/Via" ), _( "Drags a track or a via." ), drag_track_segment_xpm );
static TOOL_ACTION ACT_PlaceThroughVia( "pcbnew.InteractiveRouter.PlaceVia",
AS_CONTEXT, TOOL_ACTION::LegacyHotKey( HK_ADD_THROUGH_VIA ),
_( "Place Through Via" ),
_( "Adds a through-hole via at the end of currently routed track." ),
via_xpm );
static TOOL_ACTION ACT_PlaceBlindVia( "pcbnew.InteractiveRouter.PlaceBlindVia",
AS_CONTEXT, TOOL_ACTION::LegacyHotKey( HK_ADD_BLIND_BURIED_VIA ),
_( "Place Blind/Buried Via" ),
_( "Adds a blind or buried via at the end of currently routed track."),
via_buried_xpm );
static TOOL_ACTION ACT_PlaceMicroVia( "pcbnew.InteractiveRouter.PlaceMicroVia",
AS_CONTEXT, TOOL_ACTION::LegacyHotKey( HK_ADD_MICROVIA ),
_( "Place Microvia" ), _( "Adds a microvia at the end of currently routed track." ),
via_microvia_xpm );
static TOOL_ACTION ACT_CustomTrackWidth( "pcbnew.InteractiveRouter.CustomTrackViaSize",
AS_CONTEXT, 'W',
_( "Custom Track/Via Size" ),
_( "Shows a dialog for changing the track width and via size." ),
width_track_xpm );
static TOOL_ACTION ACT_SwitchPosture( "pcbnew.InteractiveRouter.SwitchPosture", AS_CONTEXT,
TOOL_ACTION::LegacyHotKey( HK_SWITCH_TRACK_POSTURE ),
_( "Switch Track Posture" ),
_( "Switches posture of the currenly routed track." ),
change_entry_orient_xpm );
static TOOL_ACTION ACT_SetDpDimensions( "pcbnew.InteractiveRouter.SetDpDimensions",
AS_CONTEXT, 'P',
_( "Differential Pair Dimensions..." ),
_( "Sets the width and gap of the currently routed differential pair." ),
ps_diff_pair_tune_length_xpm );
ROUTER_TOOL::ROUTER_TOOL() :
PNS_TOOL_BASE( "pcbnew.InteractiveRouter" )
{
}
class CONTEXT_TRACK_WIDTH_MENU: public CONTEXT_TRACK_VIA_SIZE_MENU
{
public:
CONTEXT_TRACK_WIDTH_MENU()
: CONTEXT_TRACK_VIA_SIZE_MENU( true, true ), m_board( NULL )
{
SetMenuHandler( boost::bind( &CONTEXT_TRACK_WIDTH_MENU::EventHandler, this, _1 ) );
}
void SetBoard( BOARD* aBoard )
{
m_board = aBoard;
Append( ID_POPUP_PCB_SELECT_CUSTOM_WIDTH, _( "Custom size" ),
wxEmptyString, wxITEM_CHECK );
Append( ID_POPUP_PCB_SELECT_AUTO_WIDTH, _( "Use the starting track width" ),
_( "Route using the width of the starting track." ), wxITEM_CHECK );
Append( ID_POPUP_PCB_SELECT_USE_NETCLASS_VALUES, _( "Use net class values" ),
_( "Use track and via sizes from the net class" ), wxITEM_CHECK );
AppendSeparator();
// Append the list of tracks & via sizes
AppendSizes( aBoard );
}
OPT_TOOL_EVENT EventHandler( const wxMenuEvent& aEvent )
{
#if ID_POPUP_PCB_SELECT_VIASIZE1 < ID_POPUP_PCB_SELECT_WIDTH1
#error You have changed event ids order, it breaks code. Check the source code for more details.
// Recognising type of event (track width/via size) is based on comparison if the event id is
// within a specific range. If ranges of event ids changes, then the following is not valid anymore.
#endif
BOARD_DESIGN_SETTINGS &bds = m_board->GetDesignSettings();
int id = aEvent.GetId();
// Initial settings, to be modified below
bds.m_UseConnectedTrackWidth = false;
bds.UseCustomTrackViaSize( false );
if( id == ID_POPUP_PCB_SELECT_CUSTOM_WIDTH )
{
bds.UseCustomTrackViaSize( true );
}
else if( id == ID_POPUP_PCB_SELECT_AUTO_WIDTH )
{
bds.m_UseConnectedTrackWidth = true;
}
else if( id == ID_POPUP_PCB_SELECT_USE_NETCLASS_VALUES )
{
bds.SetViaSizeIndex( 0 );
bds.SetTrackWidthIndex( 0 );
}
else if( id >= ID_POPUP_PCB_SELECT_VIASIZE1 ) // via size has changed
{
assert( id < ID_POPUP_PCB_SELECT_WIDTH_END_RANGE );
bds.SetViaSizeIndex( id - ID_POPUP_PCB_SELECT_VIASIZE1 );
}
else // track width has changed
{
assert( id >= ID_POPUP_PCB_SELECT_WIDTH1 );
assert( id < ID_POPUP_PCB_SELECT_VIASIZE );
bds.SetTrackWidthIndex( id - ID_POPUP_PCB_SELECT_WIDTH1 );
}
return OPT_TOOL_EVENT( COMMON_ACTIONS::trackViaSizeChanged.MakeEvent() );
}
private:
BOARD* m_board;
};
class ROUTER_TOOL_MENU: public CONTEXT_MENU
{
public:
ROUTER_TOOL_MENU( BOARD* aBoard, PNS_ROUTER_MODE aMode )
{
SetTitle( _( "Interactive Router" ) );
Add( ACT_NewTrack );
Add( ACT_EndTrack );
// Add( ACT_AutoEndRoute ); // fixme: not implemented yet. Sorry.
Add( ACT_Drag );
Add( ACT_PlaceThroughVia );
Add( ACT_PlaceBlindVia );
Add( ACT_PlaceMicroVia );
Add( ACT_SwitchPosture );
AppendSeparator();
m_widthMenu.SetBoard( aBoard );
Add( &m_widthMenu, _( "Select Track/Via Width" ) );
Add( ACT_CustomTrackWidth );
if( aMode == PNS_MODE_ROUTE_DIFF_PAIR )
Add( ACT_SetDpDimensions );
AppendSeparator();
Add( PNS_TOOL_BASE::ACT_RouterOptions );
}
private:
CONTEXT_TRACK_WIDTH_MENU m_widthMenu;
};
ROUTER_TOOL::~ROUTER_TOOL()
{
m_savedSettings.Save( GetSettings() );
}
bool ROUTER_TOOL::Init()
{
m_savedSettings.Load( GetSettings() );
return true;
}
void ROUTER_TOOL::Reset( RESET_REASON aReason )
{
PNS_TOOL_BASE::Reset( aReason );
Go( &ROUTER_TOOL::RouteSingleTrace, COMMON_ACTIONS::routerActivateSingle.MakeEvent() );
Go( &ROUTER_TOOL::RouteDiffPair, COMMON_ACTIONS::routerActivateDiffPair.MakeEvent() );
Go( &ROUTER_TOOL::DpDimensionsDialog, COMMON_ACTIONS::routerActivateDpDimensionsDialog.MakeEvent() );
Go( &ROUTER_TOOL::SettingsDialog, COMMON_ACTIONS::routerActivateSettingsDialog.MakeEvent() );
Go( &ROUTER_TOOL::InlineDrag, COMMON_ACTIONS::routerInlineDrag.MakeEvent() );
}
int ROUTER_TOOL::getDefaultWidth( int aNetCode )
{
int w, d1, d2;
getNetclassDimensions( aNetCode, w, d1, d2 );
return w;
}
void ROUTER_TOOL::getNetclassDimensions( int aNetCode, int& aWidth,
int& aViaDiameter, int& aViaDrill )
{
BOARD_DESIGN_SETTINGS &bds = m_board->GetDesignSettings();
NETCLASSPTR netClass;
NETINFO_ITEM* ni = m_board->FindNet( aNetCode );
if( ni )
{
wxString netClassName = ni->GetClassName();
netClass = bds.m_NetClasses.Find( netClassName );
}
if( !netClass )
netClass = bds.GetDefault();
aWidth = netClass->GetTrackWidth();
aViaDiameter = netClass->GetViaDiameter();
aViaDrill = netClass->GetViaDrill();
}
void ROUTER_TOOL::handleCommonEvents( const TOOL_EVENT& aEvent )
{
#ifdef DEBUG
if( aEvent.IsKeyPressed() )
{
switch( aEvent.KeyCode() )
{
case '0':
TRACEn( 2, "saving drag/route log...\n" );
m_router->DumpLog();
break;
}
}
else
#endif
if( aEvent.IsAction( &ACT_RouterOptions ) )
{
DIALOG_PNS_SETTINGS settingsDlg( m_frame, m_router->Settings() );
if( settingsDlg.ShowModal() )
{
// FIXME: do we need an explicit update?
}
}
else if( aEvent.IsAction( &ACT_SetDpDimensions ) )
{
PNS_SIZES_SETTINGS sizes = m_router->Sizes();
DIALOG_PNS_DIFF_PAIR_DIMENSIONS settingsDlg( m_frame, sizes );
if( settingsDlg.ShowModal() )
{
m_router->UpdateSizes( sizes );
}
}
else if( aEvent.IsAction( &ACT_CustomTrackWidth ) )
{
BOARD_DESIGN_SETTINGS& bds = m_board->GetDesignSettings();
DIALOG_TRACK_VIA_SIZE sizeDlg( m_frame, bds );
if( sizeDlg.ShowModal() )
{
bds.UseCustomTrackViaSize( true );
m_toolMgr->RunAction( COMMON_ACTIONS::trackViaSizeChanged );
}
}
else if( aEvent.IsAction( &COMMON_ACTIONS::trackViaSizeChanged ) )
{
PNS_SIZES_SETTINGS sizes( m_router->Sizes() );
sizes.ImportCurrent( m_board->GetDesignSettings() );
m_router->UpdateSizes( sizes );
}
}
int ROUTER_TOOL::getStartLayer( const PNS_ITEM* aItem )
{
int tl = getView()->GetTopLayer();
if( m_startItem )
{
const PNS_LAYERSET& ls = m_startItem->Layers();
if( ls.Overlaps( tl ) )
return tl;
else
return ls.Start();
}
return tl;
}
void ROUTER_TOOL::switchLayerOnViaPlacement()
{
int al = m_frame->GetActiveLayer();
int cl = m_router->GetCurrentLayer();
if( cl != al )
{
m_router->SwitchLayer( al );
}
optional<int> newLayer = m_router->Sizes().PairedLayer( cl );
if( newLayer )
{
m_router->SwitchLayer( *newLayer );
m_frame->SetActiveLayer( ToLAYER_ID( *newLayer ) );
}
}
bool ROUTER_TOOL::onViaCommand( VIATYPE_T aType )
{
BOARD_DESIGN_SETTINGS& bds = m_board->GetDesignSettings();
const int layerCount = bds.GetCopperLayerCount();
int currentLayer = m_router->GetCurrentLayer();
PNS_SIZES_SETTINGS sizes = m_router->Sizes();
// fixme: P&S supports more than one fixed layer pair. Update the dialog?
sizes.ClearLayerPairs();
sizes.AddLayerPair( m_frame->GetScreen()->m_Route_Layer_TOP,
m_frame->GetScreen()->m_Route_Layer_BOTTOM );
if( !m_router->IsPlacingVia() )
{
// Cannot place microvias or blind vias if not allowed (obvious)
if( ( aType == VIA_BLIND_BURIED ) && ( !bds.m_BlindBuriedViaAllowed ) )
return false;
if( ( aType == VIA_MICROVIA ) && ( !bds.m_MicroViasAllowed ) )
return false;
//Can only place through vias on 2-layer boards
if( ( aType != VIA_THROUGH ) && ( layerCount <= 2 ) )
return false;
//Can only place microvias if we're on an outer layer, or directly adjacent to one
if( ( aType == VIA_MICROVIA ) && ( currentLayer > In1_Cu ) && ( currentLayer < layerCount-2 ) )
return false;
//Cannot place blind vias with front/back as the layer pair, this doesn't make sense
if( ( aType == VIA_BLIND_BURIED ) && ( sizes.GetLayerTop() == F_Cu ) && ( sizes.GetLayerBottom() == B_Cu ) )
return false;
}
sizes.SetViaType( aType );
if( VIA_MICROVIA == aType )
{
sizes.SetViaDiameter( bds.GetCurrentMicroViaSize() );
sizes.SetViaDrill( bds.GetCurrentMicroViaDrill() );
}
m_router->UpdateSizes( sizes );
m_router->ToggleViaPlacement();
m_router->Move( m_endSnapPoint, m_endItem ); // refresh
return false;
}
bool ROUTER_TOOL::prepareInteractive()
{
int routingLayer = getStartLayer( m_startItem );
m_frame->SetActiveLayer( ToLAYER_ID( routingLayer ) );
// fixme: switch on invisible layer
// for some reason I don't understand, GetNetclass() may return null sometimes...
if( m_startItem &&
m_startItem->Net() >= 0 &&
m_startItem->Parent() &&
m_startItem->Parent()->GetNetClass() )
{
highlightNet( true, m_startItem->Net() );
// Update track width and via size shown in main toolbar comboboxes
m_frame->SetCurrentNetClass( m_startItem->Parent()->GetNetClass()->GetName() );
}
else
m_frame->SetCurrentNetClass( NETCLASS::Default );
m_ctls->ForceCursorPosition( false );
m_ctls->SetAutoPan( true );
PNS_SIZES_SETTINGS sizes( m_router->Sizes() );
sizes.Init( m_board, m_startItem );
sizes.AddLayerPair( m_frame->GetScreen()->m_Route_Layer_TOP,
m_frame->GetScreen()->m_Route_Layer_BOTTOM );
m_router->UpdateSizes( sizes );
if( !m_router->StartRouting( m_startSnapPoint, m_startItem, routingLayer ) )
{
wxMessageBox( m_router->FailureReason(), _( "Error" ) );
highlightNet( false );
return false;
}
m_endItem = NULL;
m_endSnapPoint = m_startSnapPoint;
return true;
}
bool ROUTER_TOOL::finishInteractive()
{
m_router->StopRouting();
// Save the recent changes in the undo buffer
m_frame->SaveCopyInUndoList( m_router->GetUndoBuffer(), UR_UNSPECIFIED );
m_router->ClearUndoBuffer();
m_frame->OnModify();
m_ctls->SetAutoPan( false );
m_ctls->ForceCursorPosition( false );
highlightNet( false );
return true;
}
void ROUTER_TOOL::performRouting()
{
if( !prepareInteractive() )
return;
while( OPT_TOOL_EVENT evt = Wait() )
{
if( evt->IsCancel() || evt->IsActivate() )
break;
else if( evt->IsMotion() )
{
updateEndItem( *evt );
m_router->SetOrthoMode( evt->Modifier( MD_CTRL ) );
m_router->Move( m_endSnapPoint, m_endItem );
}
else if( evt->IsClick( BUT_LEFT ) )
{
updateEndItem( *evt );
bool needLayerSwitch = m_router->IsPlacingVia();
if( m_router->FixRoute( m_endSnapPoint, m_endItem ) )
break;
if( needLayerSwitch )
switchLayerOnViaPlacement();
// Synchronize the indicated layer
m_frame->SetActiveLayer( ToLAYER_ID( m_router->GetCurrentLayer() ) );
m_router->Move( m_endSnapPoint, m_endItem );
m_startItem = NULL;
}
else if( evt->IsAction( &ACT_PlaceThroughVia ) )
{
onViaCommand( VIA_THROUGH );
}
else if( evt->IsAction( &ACT_PlaceBlindVia ) )
{
onViaCommand( VIA_BLIND_BURIED );
}
else if( evt->IsAction( &ACT_PlaceMicroVia ) )
{
onViaCommand( VIA_MICROVIA );
}
else if( evt->IsAction( &ACT_SwitchPosture ) )
{
m_router->FlipPosture();
m_router->Move( m_endSnapPoint, m_endItem ); // refresh
}
else if( evt->IsAction( &COMMON_ACTIONS::layerChanged ) )
{
updateEndItem( *evt );
m_router->SwitchLayer( m_frame->GetActiveLayer() );
m_router->Move( m_endSnapPoint, m_endItem ); // refresh
}
else if( evt->IsAction( &ACT_EndTrack ) )
{
if( m_router->FixRoute( m_endSnapPoint, m_endItem ) )
break;
}
handleCommonEvents( *evt );
}
finishInteractive();
}
int ROUTER_TOOL::DpDimensionsDialog( const TOOL_EVENT& aEvent )
{
Activate();
PNS_SIZES_SETTINGS sizes = m_router->Sizes();
DIALOG_PNS_DIFF_PAIR_DIMENSIONS settingsDlg( m_frame, sizes );
if( settingsDlg.ShowModal() )
{
m_router->UpdateSizes( sizes );
m_savedSizes = sizes;
}
return 0;
}
int ROUTER_TOOL::SettingsDialog( const TOOL_EVENT& aEvent )
{
Activate();
DIALOG_PNS_SETTINGS settingsDlg( m_frame, m_router->Settings() );
if( settingsDlg.ShowModal() )
{
m_savedSettings = m_router->Settings();
}
return 0;
}
int ROUTER_TOOL::RouteSingleTrace( const TOOL_EVENT& aEvent )
{
m_frame->SetToolID( ID_TRACK_BUTT, wxCURSOR_PENCIL, _( "Route Track" ) );
return mainLoop( PNS_MODE_ROUTE_SINGLE );
}
int ROUTER_TOOL::RouteDiffPair( const TOOL_EVENT& aEvent )
{
m_frame->SetToolID( ID_TRACK_BUTT, wxCURSOR_PENCIL, _( "Router Differential Pair" ) );
return mainLoop( PNS_MODE_ROUTE_DIFF_PAIR );
}
int ROUTER_TOOL::mainLoop( PNS_ROUTER_MODE aMode )
{
PCB_EDIT_FRAME* frame = getEditFrame<PCB_EDIT_FRAME>();
BOARD* board = getModel<BOARD>();
// Deselect all items
m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );
Activate();
m_router->SetMode( aMode );
m_ctls->SetSnapping( true );
m_ctls->ShowCursor( true );
frame->UndoRedoBlock( true );
m_startSnapPoint = getViewControls()->GetCursorPosition();
std::auto_ptr<ROUTER_TOOL_MENU> ctxMenu( new ROUTER_TOOL_MENU( board, aMode ) );
SetContextMenu( ctxMenu.get() );
// Main loop: keep receiving events
while( OPT_TOOL_EVENT evt = Wait() )
{
if( m_needsSync )
{
m_router->SyncWorld();
m_router->SetView( getView() );
m_needsSync = false;
}
if( evt->IsCancel() || evt->IsActivate() )
break; // Finish
else if( evt->IsMotion() )
updateStartItem( *evt );
else if( evt->IsClick( BUT_LEFT ) || evt->IsAction( &ACT_NewTrack ) )
{
updateStartItem( *evt );
if( evt->Modifier( MD_CTRL ) )
performDragging();
else
performRouting();
}
else if( evt->IsAction( &ACT_Drag ) )
{
updateStartItem( *evt );
performDragging();
}
else if( evt->IsAction( &ACT_PlaceThroughVia ) )
{
m_toolMgr->RunAction( COMMON_ACTIONS::layerToggle, true );
}
handleCommonEvents( *evt );
}
frame->SetToolID( ID_NO_TOOL_SELECTED, wxCURSOR_DEFAULT, wxEmptyString );
frame->UndoRedoBlock( false );
// Store routing settings till the next invocation
m_savedSettings = m_router->Settings();
m_savedSizes = m_router->Sizes();
return 0;
}
void ROUTER_TOOL::performDragging()
{
PCB_EDIT_FRAME* frame = getEditFrame<PCB_EDIT_FRAME>();
VIEW_CONTROLS* ctls = getViewControls();
bool dragStarted = m_router->StartDragging( m_startSnapPoint, m_startItem );
if( !dragStarted )
return;
if( m_startItem && m_startItem->Net() >= 0 )
highlightNet( true, m_startItem->Net() );
ctls->ForceCursorPosition( false );
ctls->SetAutoPan( true );
while( OPT_TOOL_EVENT evt = Wait() )
{
if( evt->IsCancel() || evt->IsActivate() )
break;
else if( evt->IsMotion() )
{
updateEndItem( *evt );
m_router->Move( m_endSnapPoint, m_endItem );
}
else if( evt->IsClick( BUT_LEFT ) )
{
if( m_router->FixRoute( m_endSnapPoint, m_endItem ) )
break;
}
handleCommonEvents( *evt );
}
if( m_router->RoutingInProgress() )
m_router->StopRouting();
// Save the recent changes in the undo buffer
frame->SaveCopyInUndoList( m_router->GetUndoBuffer(), UR_UNSPECIFIED );
m_router->ClearUndoBuffer();
frame->OnModify();
m_startItem = NULL;
ctls->SetAutoPan( false );
ctls->ForceCursorPosition( false );
highlightNet( false );
}
int ROUTER_TOOL::InlineDrag( const TOOL_EVENT& aEvent )
{
const BOARD_CONNECTED_ITEM *item = aEvent.Parameter<const BOARD_CONNECTED_ITEM*>();
PCB_EDIT_FRAME* frame = getEditFrame<PCB_EDIT_FRAME>();
VIEW_CONTROLS* ctls = getViewControls();
m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );
Activate();
m_router->SyncWorld();
m_router->SetView( getView() );
m_startItem = m_router->GetWorld()->FindItemByParent( item );
VECTOR2I p0 = ctls->GetCursorPosition();
bool dragStarted = m_router->StartDragging( p0, m_startItem );
if( !dragStarted )
return 0;
ctls->ForceCursorPosition( false );
ctls->SetAutoPan( true );
frame->UndoRedoBlock( true );
bool saveUndoBuffer = true;
while( OPT_TOOL_EVENT evt = Wait() )
{
p0 = ctls->GetCursorPosition();
if( evt->IsCancel() )
{
saveUndoBuffer = false;
break;
}
else if( evt->IsMotion() || evt->IsDrag( BUT_LEFT ) )
{
m_router->Move( p0, NULL );
}
else if( evt->IsMouseUp( BUT_LEFT ) || evt->IsClick( BUT_LEFT ) )
{
saveUndoBuffer = m_router->FixRoute( p0, NULL );
break;
}
}
if( m_router->RoutingInProgress() )
m_router->StopRouting();
if( saveUndoBuffer )
{
frame->SaveCopyInUndoList( m_router->GetUndoBuffer(), UR_UNSPECIFIED );
m_router->ClearUndoBuffer();
frame->OnModify();
}
ctls->SetAutoPan( false );
ctls->ShowCursor( false );
frame->UndoRedoBlock( false );
return 0;
}
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