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kicad/eeschema/tools/sch_line_wire_bus_tool.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2019 CERN
* Copyright (C) 2019-2021 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
*/
#include <sch_line_wire_bus_tool.h>
#include <wx/debug.h>
#include <wx/gdicmn.h>
#include <wx/string.h>
#include <wx/stringimpl.h>
#include <wx/translation.h>
#include <algorithm>
#include <cstdlib>
#include <iterator>
#include <memory>
#include <utility>
#include <vector>
#include <eda_item.h>
#include <bitmaps.h>
#include <core/typeinfo.h>
#include <layer_ids.h>
#include <math/vector2d.h>
#include <advanced_config.h>
#include <tool/actions.h>
#include <tool/conditional_menu.h>
#include <tool/selection.h>
#include <tool/selection_conditions.h>
#include <tool/tool_event.h>
#include <trigo.h>
#include <undo_redo_container.h>
#include <connection_graph.h>
#include <eeschema_id.h>
#include <sch_bus_entry.h>
#include <sch_connection.h>
#include <sch_edit_frame.h>
#include <sch_item.h>
#include <sch_line.h>
#include <sch_screen.h>
#include <sch_sheet.h>
#include <sch_sheet_pin.h>
#include <sch_text.h>
#include <schematic.h>
#include <ee_actions.h>
#include <ee_grid_helper.h>
#include <ee_selection.h>
#include <ee_selection_tool.h>
class BUS_UNFOLD_MENU : public ACTION_MENU
{
public:
BUS_UNFOLD_MENU() :
ACTION_MENU( true ),
m_showTitle( false )
{
SetIcon( BITMAPS::add_line2bus );
SetTitle( _( "Unfold from Bus" ) );
}
void SetShowTitle()
{
m_showTitle = true;
}
bool PassHelpTextToHandler() override { return true; }
protected:
ACTION_MENU* create() const override
{
return new BUS_UNFOLD_MENU();
}
private:
void update() override
{
SCH_EDIT_FRAME* frame = (SCH_EDIT_FRAME*) getToolManager()->GetToolHolder();
EE_SELECTION_TOOL* selTool = getToolManager()->GetTool<EE_SELECTION_TOOL>();
KICAD_T busType[] = { SCH_LINE_LOCATE_BUS_T, EOT };
EE_SELECTION& selection = selTool->RequestSelection( busType );
SCH_LINE* bus = (SCH_LINE*) selection.Front();
Clear();
// TODO(JE) remove once real-time is enabled
if( !ADVANCED_CFG::GetCfg().m_RealTimeConnectivity || !CONNECTION_GRAPH::m_allowRealTime )
{
frame->RecalculateConnections( NO_CLEANUP );
// Pick up the pointer again because it may have been changed by SchematicCleanUp
selection = selTool->RequestSelection( busType );
bus = (SCH_LINE*) selection.Front();
}
if( !bus )
{
Append( ID_POPUP_SCH_UNFOLD_BUS, _( "No bus selected" ), wxEmptyString );
Enable( ID_POPUP_SCH_UNFOLD_BUS, false );
return;
}
SCH_CONNECTION* connection = bus->Connection();
if( !connection || !connection->IsBus() || connection->Members().empty() )
{
Append( ID_POPUP_SCH_UNFOLD_BUS, _( "Bus has no members" ), wxEmptyString );
Enable( ID_POPUP_SCH_UNFOLD_BUS, false );
return;
}
int idx = 0;
if( m_showTitle )
{
Append( ID_POPUP_SCH_UNFOLD_BUS, _( "Unfold from Bus" ), wxEmptyString );
Enable( ID_POPUP_SCH_UNFOLD_BUS, false );
}
for( const std::shared_ptr<SCH_CONNECTION>& member : connection->Members() )
{
int id = ID_POPUP_SCH_UNFOLD_BUS + ( idx++ );
wxString name = member->FullLocalName();
if( member->Type() == CONNECTION_TYPE::BUS )
{
ACTION_MENU* submenu = new ACTION_MENU( true, m_tool );
AppendSubMenu( submenu, SCH_CONNECTION::PrintBusForUI( name ), name );
for( const std::shared_ptr<SCH_CONNECTION>& sub_member : member->Members() )
{
id = ID_POPUP_SCH_UNFOLD_BUS + ( idx++ );
name = sub_member->FullLocalName();
submenu->Append( id, SCH_CONNECTION::PrintBusForUI( name ), name );
}
}
else
{
Append( id, name, wxEmptyString );
}
}
}
bool m_showTitle;
};
SCH_LINE_WIRE_BUS_TOOL::SCH_LINE_WIRE_BUS_TOOL() :
EE_TOOL_BASE<SCH_EDIT_FRAME>( "eeschema.InteractiveDrawingLineWireBus" )
{
m_busUnfold = {};
m_wires.reserve( 16 );
}
SCH_LINE_WIRE_BUS_TOOL::~SCH_LINE_WIRE_BUS_TOOL()
{
}
bool SCH_LINE_WIRE_BUS_TOOL::Init()
{
EE_TOOL_BASE::Init();
auto wireOrBusTool =
[this]( const SELECTION& aSel )
{
return ( m_frame->IsCurrentTool( EE_ACTIONS::drawWire )
|| m_frame->IsCurrentTool( EE_ACTIONS::drawBus ) );
};
auto lineTool =
[this]( const SELECTION& aSel )
{
return m_frame->IsCurrentTool( EE_ACTIONS::drawLines );
};
auto belowRootSheetCondition =
[&]( const SELECTION& aSel )
{
return m_frame->GetCurrentSheet().Last() != &m_frame->Schematic().Root();
};
auto busSelection = EE_CONDITIONS::MoreThan( 0 )
&& EE_CONDITIONS::OnlyType( SCH_LINE_LOCATE_BUS_T );
auto& ctxMenu = m_menu.GetMenu();
// Build the tool menu
//
ctxMenu.AddItem( EE_ACTIONS::leaveSheet, belowRootSheetCondition, 2 );
ctxMenu.AddSeparator( 10 );
ctxMenu.AddItem( EE_ACTIONS::drawWire, wireOrBusTool && EE_CONDITIONS::Idle, 10 );
ctxMenu.AddItem( EE_ACTIONS::drawBus, wireOrBusTool && EE_CONDITIONS::Idle, 10 );
ctxMenu.AddItem( EE_ACTIONS::drawLines, lineTool && EE_CONDITIONS::Idle, 10 );
ctxMenu.AddItem( EE_ACTIONS::finishWire, IsDrawingWire, 10 );
ctxMenu.AddItem( EE_ACTIONS::finishBus, IsDrawingBus, 10 );
ctxMenu.AddItem( EE_ACTIONS::finishLine, IsDrawingLine, 10 );
std::shared_ptr<BUS_UNFOLD_MENU> busUnfoldMenu = std::make_shared<BUS_UNFOLD_MENU>();
busUnfoldMenu->SetTool( this );
m_menu.AddSubMenu( busUnfoldMenu );
ctxMenu.AddMenu( busUnfoldMenu.get(), EE_CONDITIONS::Idle, 10 );
ctxMenu.AddSeparator( 100 );
ctxMenu.AddItem( EE_ACTIONS::placeJunction, wireOrBusTool && EE_CONDITIONS::Idle, 100 );
ctxMenu.AddItem( EE_ACTIONS::placeLabel, wireOrBusTool && EE_CONDITIONS::Idle, 100 );
ctxMenu.AddItem( EE_ACTIONS::placeGlobalLabel, wireOrBusTool && EE_CONDITIONS::Idle, 100 );
ctxMenu.AddItem( EE_ACTIONS::placeHierLabel, wireOrBusTool && EE_CONDITIONS::Idle, 100 );
ctxMenu.AddItem( EE_ACTIONS::breakWire, wireOrBusTool && EE_CONDITIONS::Idle, 100 );
ctxMenu.AddItem( EE_ACTIONS::breakBus, wireOrBusTool && EE_CONDITIONS::Idle, 100 );
ctxMenu.AddSeparator( 200 );
ctxMenu.AddItem( EE_ACTIONS::selectNode, wireOrBusTool && EE_CONDITIONS::Idle, 200 );
ctxMenu.AddItem( EE_ACTIONS::selectConnection, wireOrBusTool && EE_CONDITIONS::Idle, 200 );
// Add bus unfolding to the selection tool
//
CONDITIONAL_MENU& selToolMenu = m_selectionTool->GetToolMenu().GetMenu();
std::shared_ptr<BUS_UNFOLD_MENU> selBusUnfoldMenu = std::make_shared<BUS_UNFOLD_MENU>();
selBusUnfoldMenu->SetTool( m_selectionTool );
m_selectionTool->GetToolMenu().AddSubMenu( selBusUnfoldMenu );
selToolMenu.AddMenu( selBusUnfoldMenu.get(), busSelection && EE_CONDITIONS::Idle, 100 );
return true;
}
bool SCH_LINE_WIRE_BUS_TOOL::IsDrawingLine( const SELECTION& aSelection )
{
static KICAD_T graphicLineType[] = { SCH_LINE_LOCATE_GRAPHIC_LINE_T, EOT };
return IsDrawingLineWireOrBus( aSelection ) && aSelection.Front()->IsType( graphicLineType );
}
bool SCH_LINE_WIRE_BUS_TOOL::IsDrawingWire( const SELECTION& aSelection )
{
static KICAD_T wireType[] = { SCH_LINE_LOCATE_WIRE_T, EOT };
return IsDrawingLineWireOrBus( aSelection ) && aSelection.Front()->IsType( wireType );
}
bool SCH_LINE_WIRE_BUS_TOOL::IsDrawingBus( const SELECTION& aSelection )
{
static KICAD_T busType[] = { SCH_LINE_LOCATE_BUS_T, EOT };
return IsDrawingLineWireOrBus( aSelection ) && aSelection.Front()->IsType( busType );
}
bool SCH_LINE_WIRE_BUS_TOOL::IsDrawingLineWireOrBus( const SELECTION& aSelection )
{
// NOTE: for immediate hotkeys, it is NOT required that the line, wire or bus tool
// be selected
SCH_ITEM* item = (SCH_ITEM*) aSelection.Front();
return item && item->IsNew() && item->Type() == SCH_LINE_T;
}
int SCH_LINE_WIRE_BUS_TOOL::DrawSegments( const TOOL_EVENT& aEvent )
{
DRAW_SEGMENT_EVENT_PARAMS* params = aEvent.Parameter<DRAW_SEGMENT_EVENT_PARAMS*>();
std::string tool = aEvent.GetCommandStr().get();
m_frame->PushTool( tool );
m_toolMgr->RunAction( EE_ACTIONS::clearSelection, true );
if( aEvent.HasPosition() )
{
EE_GRID_HELPER grid( m_toolMgr );
grid.SetSnap( !aEvent.Modifier( MD_SHIFT ) );
grid.SetUseGrid( getView()->GetGAL()->GetGridSnapping() && !aEvent.DisableGridSnapping() );
VECTOR2D cursorPos = grid.BestSnapAnchor( aEvent.Position(), LAYER_CONNECTABLE, nullptr );
startSegments( params->layer, cursorPos );
}
return doDrawSegments( tool, params->layer, params->quitOnDraw );
}
int SCH_LINE_WIRE_BUS_TOOL::UnfoldBus( const TOOL_EVENT& aEvent )
{
wxString* netPtr = aEvent.Parameter<wxString*>();
wxString net;
SCH_LINE* segment = nullptr;
std::string tool = aEvent.GetCommandStr().get();
m_frame->PushTool( tool );
Activate();
if( netPtr )
{
net = *netPtr;
delete netPtr;
}
else
{
BUS_UNFOLD_MENU unfoldMenu;
unfoldMenu.SetTool( this );
unfoldMenu.SetShowTitle();
SetContextMenu( &unfoldMenu, CMENU_NOW );
while( TOOL_EVENT* evt = Wait() )
{
if( evt->Action() == TA_CHOICE_MENU_CHOICE )
{
OPT<int> id = evt->GetCommandId();
if( id && ( *id > 0 ) )
net = *evt->Parameter<wxString*>();
break;
}
else if( evt->Action() == TA_CHOICE_MENU_CLOSED )
{
break;
}
else
{
evt->SetPassEvent();
}
}
}
// Break a wire for the given net out of the bus
if( !net.IsEmpty() )
segment = doUnfoldBus( net );
// If we have an unfolded wire to draw, then draw it
if( segment )
return doDrawSegments( tool, LAYER_WIRE, false );
else
{
m_frame->PopTool( tool );
return 0;
}
}
SCH_LINE* SCH_LINE_WIRE_BUS_TOOL::doUnfoldBus( const wxString& aNet, const wxPoint& aPos )
{
SCHEMATIC_SETTINGS& cfg = getModel<SCHEMATIC>()->Settings();
wxPoint pos = aPos;
if( aPos == wxDefaultPosition )
pos = static_cast<wxPoint>( getViewControls()->GetCursorPosition() );
m_toolMgr->RunAction( EE_ACTIONS::clearSelection, true );
m_busUnfold.entry = new SCH_BUS_WIRE_ENTRY( pos );
m_busUnfold.entry->SetParent( m_frame->GetScreen() );
m_frame->AddToScreen( m_busUnfold.entry, m_frame->GetScreen() );
m_busUnfold.label = new SCH_LABEL( m_busUnfold.entry->GetEnd(), aNet );
m_busUnfold.label->SetTextSize( wxSize( cfg.m_DefaultTextSize, cfg.m_DefaultTextSize ) );
m_busUnfold.label->SetLabelSpinStyle( LABEL_SPIN_STYLE::RIGHT );
m_busUnfold.label->SetParent( m_frame->GetScreen() );
m_busUnfold.label->SetFlags( IS_NEW | IS_MOVING );
m_busUnfold.in_progress = true;
m_busUnfold.origin = pos;
m_busUnfold.net_name = aNet;
getViewControls()->SetCrossHairCursorPosition( m_busUnfold.entry->GetEnd(), false );
return startSegments( LAYER_WIRE, m_busUnfold.entry->GetEnd() );
}
const SCH_SHEET_PIN* SCH_LINE_WIRE_BUS_TOOL::getSheetPin( const wxPoint& aPosition )
{
SCH_SCREEN* screen = m_frame->GetScreen();
for( SCH_ITEM* item : screen->Items().Overlapping( SCH_SHEET_T, aPosition ) )
{
SCH_SHEET* sheet = static_cast<SCH_SHEET*>( item );
for( SCH_SHEET_PIN* pin : sheet->GetPins() )
{
if( pin->GetPosition() == aPosition )
return pin;
}
}
return nullptr;
}
void SCH_LINE_WIRE_BUS_TOOL::computeBreakPoint( const std::pair<SCH_LINE*, SCH_LINE*>& aSegments,
wxPoint& aPosition )
{
wxCHECK_RET( aSegments.first && aSegments.second,
wxT( "Cannot compute break point of NULL line segment." ) );
SCH_LINE* segment = aSegments.first;
SCH_LINE* next_segment = aSegments.second;
wxPoint midPoint;
int iDx = segment->GetEndPoint().x - segment->GetStartPoint().x;
int iDy = segment->GetEndPoint().y - segment->GetStartPoint().y;
const SCH_SHEET_PIN* connectedPin = getSheetPin( segment->GetStartPoint() );
SHEET_SIDE force = connectedPin ? connectedPin->GetEdge() : SHEET_SIDE::UNDEFINED;
if( force == SHEET_SIDE::LEFT || force == SHEET_SIDE::RIGHT )
{
if( aPosition.x == connectedPin->GetPosition().x ) // push outside sheet boundary
{
int direction = ( force == SHEET_SIDE::LEFT ) ? -1 : 1;
aPosition.x += KiROUND( getView()->GetGAL()->GetGridSize().x * direction );
}
midPoint.x = aPosition.x;
midPoint.y = segment->GetStartPoint().y; // force horizontal
}
else if( iDy != 0 ) // keep the first segment orientation (vertical)
{
midPoint.x = segment->GetStartPoint().x;
midPoint.y = aPosition.y;
}
else if( iDx != 0 ) // keep the first segment orientation (horizontal)
{
midPoint.x = aPosition.x;
midPoint.y = segment->GetStartPoint().y;
}
else
{
if( std::abs( aPosition.x - segment->GetStartPoint().x ) <
std::abs( aPosition.y - segment->GetStartPoint().y ) )
{
midPoint.x = segment->GetStartPoint().x;
midPoint.y = aPosition.y;
}
else
{
midPoint.x = aPosition.x;
midPoint.y = segment->GetStartPoint().y;
}
}
segment->SetEndPoint( midPoint );
next_segment->SetStartPoint( midPoint );
next_segment->SetEndPoint( aPosition );
}
int SCH_LINE_WIRE_BUS_TOOL::doDrawSegments( const std::string& aTool, int aType, bool aQuitOnDraw )
{
SCH_SCREEN* screen = m_frame->GetScreen();
SCH_LINE* segment = nullptr;
EE_GRID_HELPER grid( m_toolMgr );
KIGFX::VIEW_CONTROLS* controls = getViewControls();
auto setCursor =
[&]()
{
if( aType == LAYER_WIRE )
m_frame->GetCanvas()->SetCurrentCursor( KICURSOR::LINE_WIRE );
else if( aType == LAYER_BUS )
m_frame->GetCanvas()->SetCurrentCursor( KICURSOR::LINE_BUS );
else if( aType == LAYER_NOTES )
m_frame->GetCanvas()->SetCurrentCursor( KICURSOR::LINE_GRAPHIC );
else
m_frame->GetCanvas()->SetCurrentCursor( KICURSOR::LINE_WIRE );
};
auto cleanup =
[&] ()
{
m_toolMgr->RunAction( EE_ACTIONS::clearSelection, true );
for( SCH_LINE* wire : m_wires )
delete wire;
m_wires.clear();
segment = nullptr;
if( m_busUnfold.entry )
m_frame->RemoveFromScreen( m_busUnfold.entry, screen );
if( m_busUnfold.label && !m_busUnfold.label_placed )
m_selectionTool->RemoveItemFromSel( m_busUnfold.label, true );
if( m_busUnfold.label && m_busUnfold.label_placed )
m_frame->RemoveFromScreen( m_busUnfold.label, screen );
delete m_busUnfold.entry;
delete m_busUnfold.label;
m_busUnfold = {};
m_view->ClearPreview();
m_view->ShowPreview( false );
};
Activate();
// Must be done after Activate() so that it gets set into the correct context
controls->ShowCursor( true );
// Set initial cursor
setCursor();
// Add the new label to the selection so the rotate command operates on it
if( m_busUnfold.label )
m_selectionTool->AddItemToSel( m_busUnfold.label, true );
// Continue the existing wires if we've started (usually by immediate action preference)
if( !m_wires.empty() )
segment = m_wires.back();
wxPoint contextMenuPos;
// Main loop: keep receiving events
while( TOOL_EVENT* evt = Wait() )
{
setCursor();
grid.SetMask( GRID_HELPER::ALL );
grid.SetSnap( !evt->Modifier( MD_SHIFT ) );
grid.SetUseGrid( getView()->GetGAL()->GetGridSnapping() && !evt->DisableGridSnapping() );
if( segment )
{
if( segment->GetStartPoint().x == segment->GetEndPoint().x )
grid.ClearMaskFlag( GRID_HELPER::VERTICAL );
if( segment->GetStartPoint().y == segment->GetEndPoint().y )
grid.ClearMaskFlag( GRID_HELPER::HORIZONTAL );
}
wxPoint cursorPos = static_cast<wxPoint>( evt->HasPosition() ?
evt->Position() :
controls->GetMousePosition() );
cursorPos = (wxPoint) grid.BestSnapAnchor( cursorPos, LAYER_CONNECTABLE, segment );
controls->ForceCursorPosition( true, cursorPos );
bool forceHV = m_frame->eeconfig()->m_Drawing.hv_lines_only;
//------------------------------------------------------------------------
// Handle cancel:
//
if( evt->IsCancelInteractive() )
{
if( segment || m_busUnfold.in_progress )
{
cleanup();
}
else
{
m_frame->PopTool( aTool );
break;
}
}
else if( evt->IsActivate() )
{
if( segment || m_busUnfold.in_progress )
{
m_frame->ShowInfoBarMsg( _( "Press <ESC> to cancel drawing." ) );
evt->SetPassEvent( false );
continue;
}
if( evt->IsMoveTool() )
{
// leave ourselves on the stack so we come back after the move
break;
}
else
{
m_frame->PopTool( aTool );
break;
}
}
//------------------------------------------------------------------------
// Handle finish:
//
else if( evt->IsAction( &EE_ACTIONS::finishLineWireOrBus )
|| evt->IsAction( &EE_ACTIONS::finishWire )
|| evt->IsAction( &EE_ACTIONS::finishBus )
|| evt->IsAction( &EE_ACTIONS::finishLine ) )
{
if( segment || m_busUnfold.in_progress )
{
finishSegments();
segment = nullptr;
if( aQuitOnDraw )
{
m_frame->PopTool( aTool );
break;
}
}
}
//------------------------------------------------------------------------
// Handle click:
//
else if( evt->IsClick( BUT_LEFT ) || ( segment && evt->IsDblClick( BUT_LEFT ) ) )
{
// First click when unfolding places the label and wire-to-bus entry
if( m_busUnfold.in_progress && !m_busUnfold.label_placed )
{
wxASSERT( aType == LAYER_WIRE );
m_frame->AddToScreen( m_busUnfold.label, screen );
m_selectionTool->RemoveItemFromSel( m_busUnfold.label, true );
m_busUnfold.label_placed = true;
}
if( !segment )
{
segment = startSegments( aType, VECTOR2D( cursorPos ) );
}
// Create a new segment if we're out of previously-created ones
else if( !segment->IsNull() || ( forceHV && !m_wires[ m_wires.size() - 2 ]->IsNull() ) )
{
// Terminate the command if the end point is on a pin, junction, label, or another
// wire or bus.
if( screen->IsTerminalPoint( cursorPos, segment->GetLayer() ) )
{
finishSegments();
segment = nullptr;
if( aQuitOnDraw )
{
m_frame->PopTool( aTool );
break;
}
}
else
{
segment->SetEndPoint( cursorPos );
// Create a new segment, and chain it after the current segment.
segment = new SCH_LINE( *segment );
segment->SetFlags( IS_NEW | IS_MOVING );
segment->SetStartPoint( cursorPos );
m_wires.push_back( segment );
m_selectionTool->AddItemToSel( segment, true /*quiet mode*/ );
}
}
if( evt->IsDblClick( BUT_LEFT ) && segment )
{
if( forceHV && m_wires.size() >= 2 )
computeBreakPoint( { m_wires[ m_wires.size() - 2 ], segment }, cursorPos );
finishSegments();
segment = nullptr;
if( aQuitOnDraw )
{
m_frame->PopTool( aTool );
break;
}
}
}
//------------------------------------------------------------------------
// Handle motion:
//
else if( evt->IsMotion() || evt->IsAction( &ACTIONS::refreshPreview ) )
{
m_view->ClearPreview();
// Update the bus unfold posture based on the mouse movement
if( m_busUnfold.in_progress && !m_busUnfold.label_placed )
{
wxPoint cursor_delta = cursorPos - m_busUnfold.origin;
SCH_BUS_WIRE_ENTRY* entry = m_busUnfold.entry;
bool flipX = ( cursor_delta.x < 0 );
bool flipY = ( cursor_delta.y < 0 );
// Erase and redraw if necessary
if( flipX != m_busUnfold.flipX || flipY != m_busUnfold.flipY )
{
wxSize size = entry->GetSize();
int ySign = flipY ? -1 : 1;
int xSign = flipX ? -1 : 1;
size.x = std::abs( size.x ) * xSign;
size.y = std::abs( size.y ) * ySign;
entry->SetSize( size );
m_busUnfold.flipY = flipY;
m_busUnfold.flipX = flipX;
m_frame->UpdateItem( entry, false, true );
m_wires.front()->SetStartPoint( entry->GetEnd() );
}
// Update the label "ghost" position
m_busUnfold.label->SetPosition( cursorPos );
m_view->AddToPreview( m_busUnfold.label->Clone() );
// Ensure segment is non-null at the start of bus unfold
if( !segment )
segment = m_wires.back();
}
if( segment )
{
// Coerce the line to vertical or horizontal if necessary
if( forceHV && m_wires.size() >= 2 )
computeBreakPoint( { m_wires[ m_wires.size() - 2 ], segment }, cursorPos );
else
segment->SetEndPoint( cursorPos );
}
for( SCH_LINE* wire : m_wires )
{
if( !wire->IsNull() )
m_view->AddToPreview( wire->Clone() );
}
}
//------------------------------------------------------------------------
// Handle context menu:
//
else if( evt->IsClick( BUT_RIGHT ) )
{
// Warp after context menu only if dragging...
if( !segment )
m_toolMgr->VetoContextMenuMouseWarp();
contextMenuPos = cursorPos;
m_menu.ShowContextMenu( m_selectionTool->GetSelection() );
}
else if( evt->Category() == TC_COMMAND && evt->Action() == TA_CHOICE_MENU_CHOICE )
{
if( evt->GetCommandId().get() >= ID_POPUP_SCH_UNFOLD_BUS
&& evt->GetCommandId().get() <= ID_POPUP_SCH_UNFOLD_BUS_END )
{
wxASSERT_MSG( !segment, "Bus unfold event received when already drawing!" );
aType = LAYER_WIRE;
wxString net = *evt->Parameter<wxString*>();
segment = doUnfoldBus( net, contextMenuPos );
}
}
else if( evt->IsAction( &EE_ACTIONS::rotateCW ) || evt->IsAction( &EE_ACTIONS::rotateCCW ) )
{
if( m_busUnfold.in_progress )
{
m_busUnfold.label->Rotate90( evt->IsAction( &EE_ACTIONS::rotateCW ) );
m_toolMgr->RunAction( ACTIONS::refreshPreview );
}
else
{
wxBell();
}
}
else if( evt->IsAction( &ACTIONS::doDelete ) && ( segment || m_busUnfold.in_progress ) )
{
cleanup();
}
else
{
evt->SetPassEvent();
}
// Enable autopanning and cursor capture only when there is a segment to be placed
controls->SetAutoPan( segment != nullptr );
controls->CaptureCursor( segment != nullptr );
}
controls->SetAutoPan( false );
controls->CaptureCursor( false );
m_frame->GetCanvas()->SetCurrentCursor( KICURSOR::ARROW );
controls->ForceCursorPosition( false );
return 0;
}
SCH_LINE* SCH_LINE_WIRE_BUS_TOOL::startSegments( int aType, const VECTOR2D& aPos )
{
SCH_LINE* segment = nullptr;
switch ( aType )
{
default: segment = new SCH_LINE( aPos, LAYER_NOTES ); break;
case LAYER_WIRE: segment = new SCH_LINE( aPos, LAYER_WIRE ); break;
case LAYER_BUS: segment = new SCH_LINE( aPos, LAYER_BUS ); break;
}
// Give segments a parent so they find the default line/wire/bus widths
segment->SetParent( &m_frame->Schematic() );
segment->SetFlags( IS_NEW | IS_MOVING );
m_wires.push_back( segment );
m_selectionTool->AddItemToSel( segment, true /*quiet mode*/ );
// We need 2 segments to go from a given start pin to an end point when the
// horizontal and vertical lines only switch is on.
if( m_frame->eeconfig()->m_Drawing.hv_lines_only )
{
segment = new SCH_LINE( *segment );
segment->SetFlags( IS_NEW | IS_MOVING );
m_wires.push_back( segment );
m_selectionTool->AddItemToSel( segment, true /*quiet mode*/ );
}
return segment;
}
/**
* In a contiguous list of wires, remove wires that backtrack over the previous
* wire. Example:
*
* Wire is added:
* ---------------------------------------->
*
* A second wire backtracks over it:
* -------------------<====================>
*
* simplifyWireList is called:
* ------------------->
*/
void SCH_LINE_WIRE_BUS_TOOL::simplifyWireList()
{
for( auto it = m_wires.begin(); it != m_wires.end(); )
{
SCH_LINE* line = *it;
if( line->IsNull() )
{
delete line;
it = m_wires.erase( it );
continue;
}
auto next_it = it;
++next_it;
if( next_it == m_wires.end() )
break;
SCH_LINE* next_line = *next_it;
if( SCH_LINE* merged = line->MergeOverlap( m_frame->GetScreen(), next_line, false ) )
{
delete line;
delete next_line;
it = m_wires.erase( it );
*it = merged;
}
++it;
}
}
void SCH_LINE_WIRE_BUS_TOOL::finishSegments()
{
// Clear selection when done so that a new wire can be started.
// NOTE: this must be done before simplifyWireList is called or we might end up with
// freed selected items.
m_toolMgr->RunAction( EE_ACTIONS::clearSelection, true );
SCH_SCREEN* screen = m_frame->GetScreen();
PICKED_ITEMS_LIST itemList;
// Remove segments backtracking over others
simplifyWireList();
// Collect the possible connection points for the new lines
std::vector< wxPoint > connections = m_frame->GetSchematicConnections();
std::vector< wxPoint > new_ends;
// Check each new segment for possible junctions and add/split if needed
for( SCH_LINE* wire : m_wires )
{
if( wire->HasFlag( SKIP_STRUCT ) )
continue;
std::vector<wxPoint> tmpends = wire->GetConnectionPoints();
new_ends.insert( new_ends.end(), tmpends.begin(), tmpends.end() );
for( const wxPoint& pt : connections )
{
if( IsPointOnSegment( wire->GetStartPoint(), wire->GetEndPoint(), pt ) )
new_ends.push_back( pt );
}
itemList.PushItem( ITEM_PICKER( screen, wire, UNDO_REDO::NEWITEM ) );
}
if( m_busUnfold.in_progress && m_busUnfold.label_placed )
{
wxASSERT( m_busUnfold.entry && m_busUnfold.label );
itemList.PushItem( ITEM_PICKER( screen, m_busUnfold.entry, UNDO_REDO::NEWITEM ) );
itemList.PushItem( ITEM_PICKER( screen, m_busUnfold.label, UNDO_REDO::NEWITEM ) );
m_busUnfold.label->ClearEditFlags();
}
// Get the last non-null wire (this is the last created segment).
if( !m_wires.empty() )
m_frame->SaveCopyForRepeatItem( m_wires.back() );
// Add the new wires
for( SCH_LINE* wire : m_wires )
{
wire->ClearFlags( IS_NEW | IS_MOVING );
m_frame->AddToScreen( wire, screen );
}
m_wires.clear();
m_view->ClearPreview();
m_view->ShowPreview( false );
getViewControls()->CaptureCursor( false );
getViewControls()->SetAutoPan( false );
m_frame->SaveCopyInUndoList( itemList, UNDO_REDO::NEWITEM, false );
// Correct and remove segments that need to be merged.
m_frame->SchematicCleanUp();
std::vector<SCH_ITEM*> symbols;
for( SCH_ITEM* symbol : m_frame->GetScreen()->Items().OfType( SCH_SYMBOL_T ) )
symbols.push_back( symbol );
for( SCH_ITEM* symbol : symbols )
{
std::vector<wxPoint> pts = symbol->GetConnectionPoints();
if( pts.size() > 2 )
continue;
for( auto pt = pts.begin(); pt != pts.end(); pt++ )
{
for( auto secondPt = pt + 1; secondPt != pts.end(); secondPt++ )
m_frame->TrimWire( *pt, *secondPt );
}
}
for( const wxPoint& pt : new_ends )
{
if( m_frame->GetScreen()->IsJunctionNeeded( pt, true ) )
m_frame->AddJunction( m_frame->GetScreen(), pt, true, false );
}
if( m_busUnfold.in_progress )
m_busUnfold = {};
m_frame->TestDanglingEnds();
m_toolMgr->PostEvent( EVENTS::SelectedItemsModified );
m_frame->OnModify();
}
int SCH_LINE_WIRE_BUS_TOOL::AddJunctionsIfNeeded( const TOOL_EVENT& aEvent )
{
EE_SELECTION* aSelection = aEvent.Parameter<EE_SELECTION*>();
std::vector<wxPoint> pts;
std::vector<wxPoint> connections = m_frame->GetSchematicConnections();
for( unsigned ii = 0; ii < aSelection->GetSize(); ii++ )
{
SCH_ITEM* item = dynamic_cast<SCH_ITEM*>( aSelection->GetItem( ii ) );
if( !item || !item->IsConnectable() )
continue;
std::vector<wxPoint> new_pts = item->GetConnectionPoints();
pts.insert( pts.end(), new_pts.begin(), new_pts.end() );
// If the item is a line, we also add any connection points from the rest of the schematic
// that terminate on the line after it is moved.
if( item->Type() == SCH_LINE_T )
{
SCH_LINE* line = (SCH_LINE*) item;
for( const wxPoint& pt : connections )
{
if( IsPointOnSegment( line->GetStartPoint(), line->GetEndPoint(), pt ) )
pts.push_back( pt );
}
}
else
{
// Clean up any wires that short non-wire connections in the list
for( auto pt = new_pts.begin(); pt != new_pts.end(); pt++ )
{
for( auto secondPt = pt + 1; secondPt != new_pts.end(); secondPt++ )
m_frame->TrimWire( *pt, *secondPt );
}
}
}
// We always have some overlapping connection points. Drop duplicates here
std::sort( pts.begin(), pts.end(),
[]( const wxPoint& a, const wxPoint& b ) -> bool
{
return a.x < b.x || ( a.x == b.x && a.y < b.y );
} );
pts.erase( unique( pts.begin(), pts.end() ), pts.end() );
for( const wxPoint& point : pts )
{
if( m_frame->GetScreen()->IsJunctionNeeded( point, true ) )
m_frame->AddJunction( m_frame->GetScreen(), point, true, false );
}
return 0;
}
void SCH_LINE_WIRE_BUS_TOOL::setTransitions()
{
Go( &SCH_LINE_WIRE_BUS_TOOL::AddJunctionsIfNeeded, EE_ACTIONS::addNeededJunctions.MakeEvent() );
Go( &SCH_LINE_WIRE_BUS_TOOL::DrawSegments, EE_ACTIONS::drawWire.MakeEvent() );
Go( &SCH_LINE_WIRE_BUS_TOOL::DrawSegments, EE_ACTIONS::drawBus.MakeEvent() );
Go( &SCH_LINE_WIRE_BUS_TOOL::DrawSegments, EE_ACTIONS::drawLines.MakeEvent() );
Go( &SCH_LINE_WIRE_BUS_TOOL::UnfoldBus, EE_ACTIONS::unfoldBus.MakeEvent() );
}
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