kicad/pcbnew/tools/edit_tool.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2013 CERN
* @author Maciej Suminski <maciej.suminski@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 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 <class_board.h>
#include <class_module.h>
#include <class_zone.h>
#include <wxPcbStruct.h>
#include <tool/tool_manager.h>
#include <view/view_controls.h>
#include <ratsnest_data.h>
#include <confirm.h>
#include <cassert>
#include <boost/foreach.hpp>
#include "common_actions.h"
#include "selection_tool.h"
#include "edit_tool.h"
using namespace KIGFX;
using boost::optional;
EDIT_TOOL::EDIT_TOOL() :
TOOL_INTERACTIVE( "pcbnew.InteractiveEdit" ), m_selectionTool( NULL )
{
}
bool EDIT_TOOL::Init()
{
// Find the selection tool, so they can cooperate
m_selectionTool = static_cast<SELECTION_TOOL*>( m_toolMgr->FindTool( "pcbnew.InteractiveSelection" ) );
if( !m_selectionTool )
{
DisplayError( NULL, wxT( "pcbnew.InteractiveSelection tool is not available" ) );
return false;
}
// Add context menu entries that are displayed when selection tool is active
m_selectionTool->AddMenuItem( COMMON_ACTIONS::editActivate );
m_selectionTool->AddMenuItem( COMMON_ACTIONS::rotate );
m_selectionTool->AddMenuItem( COMMON_ACTIONS::flip );
m_selectionTool->AddMenuItem( COMMON_ACTIONS::remove );
m_selectionTool->AddMenuItem( COMMON_ACTIONS::properties );
setTransitions();
return true;
}
int EDIT_TOOL::Main( TOOL_EVENT& aEvent )
{
const SELECTION_TOOL::SELECTION& selection = m_selectionTool->GetSelection();
// Shall the selection be cleared at the end?
bool unselect = selection.Empty();
// Be sure that there is at least one item that we can modify
if( !makeSelection( selection ) )
return 0;
VECTOR2D dragPosition; // The last position of the cursor while dragging
m_dragging = false; // Are selected items being dragged?
bool restore = false; // Should items' state be restored when finishing the tool?
// By default, modified items need to update their geometry
m_updateFlag = KIGFX::VIEW_ITEM::GEOMETRY;
VIEW_CONTROLS* controls = getViewControls();
PCB_EDIT_FRAME* editFrame = static_cast<PCB_EDIT_FRAME*>( m_toolMgr->GetEditFrame() );
controls->ShowCursor( true );
controls->SetSnapping( true );
controls->SetAutoPan( true );
controls->ForceCursorPosition( false );
// Main loop: keep receiving events
while( OPT_TOOL_EVENT evt = Wait() )
{
if( evt->IsCancel() )
{
restore = true; // Cancelling the tool means that items have to be restored
break; // Finish
}
// Dispatch TOOL_ACTIONs
else if( evt->Category() == TC_COMMAND )
{
if( evt->IsAction( &COMMON_ACTIONS::rotate ) )
{
Rotate( aEvent );
}
else if( evt->IsAction( &COMMON_ACTIONS::flip ) )
{
Flip( aEvent );
// Flip causes change of layers
enableUpdateFlag( KIGFX::VIEW_ITEM::LAYERS );
}
else if( evt->IsAction( &COMMON_ACTIONS::remove ) )
{
Remove( aEvent );
break; // exit the loop, as there is no further processing for removed items
}
}
else if( evt->IsMotion() || evt->IsDrag( BUT_LEFT ) )
{
if( m_dragging )
{
// Drag items to the current cursor position
VECTOR2D movement = ( getView()->ToWorld( controls->GetCursorPosition() ) -
dragPosition );
for( unsigned int i = 0; i < selection.items.GetCount(); ++i )
{
BOARD_ITEM* item = static_cast<BOARD_ITEM*>( selection.items.GetPickedItem( i ) );
item->Move( wxPoint( movement.x, movement.y ) );
}
updateRatsnest( true );
}
else
{
// Prepare to drag - save items, so changes can be undone
editFrame->OnModify();
editFrame->SaveCopyInUndoList( selection.items, UR_CHANGED );
m_dragging = true;
}
selection.group->ViewUpdate( VIEW_ITEM::GEOMETRY );
dragPosition = getView()->ToWorld( controls->GetCursorPosition() );
}
else if( evt->IsMouseUp( BUT_LEFT ) || evt->IsClick( BUT_LEFT ) )
break; // Finish
}
m_dragging = false;
if( restore )
{
// Modifications have to be rollbacked, so restore the previous state of items
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wxCommandEvent dummy;
editFrame->GetBoardFromUndoList( dummy );
}
else
{
// Changes are applied, so update the items
selection.group->ItemsViewUpdate( m_updateFlag );
}
if( unselect )
m_toolMgr->RunAction( "pcbnew.InteractiveSelection.Clear" );
RN_DATA* ratsnest = getModel<BOARD>( PCB_T )->GetRatsnest();
ratsnest->ClearSimple();
ratsnest->Recalculate();
controls->ShowCursor( false );
controls->SetSnapping( false );
controls->SetAutoPan( false );
setTransitions();
return 0;
}
int EDIT_TOOL::Properties( TOOL_EVENT& aEvent )
{
const SELECTION_TOOL::SELECTION& selection = m_selectionTool->GetSelection();
PCB_EDIT_FRAME* editFrame = static_cast<PCB_EDIT_FRAME*>( m_toolMgr->GetEditFrame() );
// Shall the selection be cleared at the end?
bool unselect = selection.Empty();
if( !makeSelection( selection ) )
return 0;
// Properties are displayed when there is only one item selected
if( selection.Size() == 1 )
{
// Display properties dialog
BOARD_ITEM* item = static_cast<BOARD_ITEM*>( selection.items.GetPickedItem( 0 ) );
VECTOR2I cursor = getView()->ToWorld( getViewControls()->GetCursorPosition() );
// Check if user wants to edit pad or module properties
if( item->Type() == PCB_MODULE_T )
{
for( D_PAD* pad = static_cast<MODULE*>( item )->Pads(); pad; pad = pad->Next() )
{
if( pad->ViewBBox().Contains( cursor ) )
{
// Turns out that user wants to edit a pad properties
item = pad;
break;
}
}
}
editFrame->SaveCopyInUndoList( item, UR_CHANGED );
editFrame->OnModify();
editFrame->OnEditItemRequest( NULL, item );
item->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
updateRatsnest( true );
getModel<BOARD>( PCB_T )->GetRatsnest()->Recalculate();
if( unselect )
m_toolMgr->RunAction( "pcbnew.InteractiveSelection.Clear" );
}
setTransitions();
return 0;
}
int EDIT_TOOL::Rotate( TOOL_EVENT& aEvent )
{
const SELECTION_TOOL::SELECTION& selection = m_selectionTool->GetSelection();
PCB_EDIT_FRAME* editFrame = static_cast<PCB_EDIT_FRAME*>( m_toolMgr->GetEditFrame() );
// Shall the selection be cleared at the end?
bool unselect = selection.Empty();
if( !makeSelection( selection ) )
return 0;
wxPoint rotatePoint = getModificationPoint( selection );
if( !m_dragging ) // If it is being dragged, then it is already saved with UR_CHANGED flag
{
editFrame->OnModify();
editFrame->SaveCopyInUndoList( selection.items, UR_ROTATED, rotatePoint );
}
for( unsigned int i = 0; i < selection.items.GetCount(); ++i )
{
BOARD_ITEM* item = static_cast<BOARD_ITEM*>( selection.items.GetPickedItem( i ) );
item->Rotate( rotatePoint, editFrame->GetRotationAngle() );
if( !m_dragging )
item->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
}
setTransitions();
updateRatsnest( true );
if( m_dragging )
selection.group->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
else
getModel<BOARD>( PCB_T )->GetRatsnest()->Recalculate();
if( unselect )
m_toolMgr->RunAction( "pcbnew.InteractiveSelection.Clear" );
return 0;
}
int EDIT_TOOL::Flip( TOOL_EVENT& aEvent )
{
const SELECTION_TOOL::SELECTION& selection = m_selectionTool->GetSelection();
PCB_EDIT_FRAME* editFrame = static_cast<PCB_EDIT_FRAME*>( m_toolMgr->GetEditFrame() );
// Shall the selection be cleared at the end?
bool unselect = selection.Empty();
if( !makeSelection( selection ) )
return 0;
wxPoint flipPoint = getModificationPoint( selection );
if( !m_dragging ) // If it is being dragged, then it is already saved with UR_CHANGED flag
{
editFrame->OnModify();
editFrame->SaveCopyInUndoList( selection.items, UR_FLIPPED, flipPoint );
}
for( unsigned int i = 0; i < selection.items.GetCount(); ++i )
{
BOARD_ITEM* item = static_cast<BOARD_ITEM*>( selection.items.GetPickedItem( i ) );
item->Flip( flipPoint );
if( !m_dragging )
item->ViewUpdate( KIGFX::VIEW_ITEM::LAYERS );
}
setTransitions();
updateRatsnest( true );
if( m_dragging )
selection.group->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
else
getModel<BOARD>( PCB_T )->GetRatsnest()->Recalculate();
if( unselect )
m_toolMgr->RunAction( "pcbnew.InteractiveSelection.Clear" );
return 0;
}
int EDIT_TOOL::Remove( TOOL_EVENT& aEvent )
{
const SELECTION_TOOL::SELECTION& selection = m_selectionTool->GetSelection();
if( !makeSelection( selection ) )
return 0;
// Get a copy of the selected items set
PICKED_ITEMS_LIST selectedItems = selection.items;
PCB_EDIT_FRAME* editFrame = static_cast<PCB_EDIT_FRAME*>( m_toolMgr->GetEditFrame() );
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// As we are about to remove items, they have to be removed from the selection first
m_toolMgr->RunAction( "pcbnew.InteractiveSelection.Clear" );
// Save them
for( unsigned int i = 0; i < selectedItems.GetCount(); ++i )
selectedItems.SetPickedItemStatus( UR_DELETED, i );
editFrame->OnModify();
editFrame->SaveCopyInUndoList( selectedItems, UR_DELETED );
// And now remove
for( unsigned int i = 0; i < selectedItems.GetCount(); ++i )
{
BOARD_ITEM* item = static_cast<BOARD_ITEM*>( selectedItems.GetPickedItem( i ) );
remove( item );
}
// Rebuild list of pads and nets if necessary
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BOARD* board = getModel<BOARD>( PCB_T );
if( !( board->m_Status_Pcb & NET_CODES_OK ) )
board->BuildListOfNets();
setTransitions();
board->GetRatsnest()->Recalculate();
return 0;
}
void EDIT_TOOL::remove( BOARD_ITEM* aItem )
{
BOARD* board = getModel<BOARD>( PCB_T );
switch( aItem->Type() )
{
case PCB_MODULE_T:
{
MODULE* module = static_cast<MODULE*>( aItem );
module->ClearFlags();
module->RunOnChildren( std::bind1st( std::mem_fun( &KIGFX::VIEW::Remove ), getView() ) );
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// Module itself is deleted after the switch scope is finished
// list of pads is rebuild by BOARD::BuildListOfNets()
// Clear flags to indicate, that the ratsnest, list of nets & pads are not valid anymore
board->m_Status_Pcb = 0;
}
break;
// These are not supposed to be removed
case PCB_PAD_T:
case PCB_MODULE_TEXT_T:
case PCB_MODULE_EDGE_T:
return;
case PCB_LINE_T: // a segment not on copper layers
case PCB_TEXT_T: // a text on a layer
case PCB_TRACE_T: // a track segment (segment on a copper layer)
case PCB_VIA_T: // a via (like track segment on a copper layer)
case PCB_DIMENSION_T: // a dimension (graphic item)
case PCB_TARGET_T: // a target (graphic item)
case PCB_MARKER_T: // a marker used to show something
case PCB_ZONE_T: // SEG_ZONE items are now deprecated
case PCB_ZONE_AREA_T:
break;
default: // other types do not need to (or should not) be handled
assert( false );
return;
break;
}
getView()->Remove( aItem );
board->Remove( aItem );
}
void EDIT_TOOL::setTransitions()
{
Go( &EDIT_TOOL::Main, COMMON_ACTIONS::editActivate.MakeEvent() );
Go( &EDIT_TOOL::Rotate, COMMON_ACTIONS::rotate.MakeEvent() );
Go( &EDIT_TOOL::Flip, COMMON_ACTIONS::flip.MakeEvent() );
Go( &EDIT_TOOL::Remove, COMMON_ACTIONS::remove.MakeEvent() );
Go( &EDIT_TOOL::Properties, COMMON_ACTIONS::properties.MakeEvent() );
}
void EDIT_TOOL::updateRatsnest( bool aRedraw )
{
const SELECTION_TOOL::SELECTION& selection = m_selectionTool->GetSelection();
RN_DATA* ratsnest = getModel<BOARD>( PCB_T )->GetRatsnest();
ratsnest->ClearSimple();
for( unsigned int i = 0; i < selection.items.GetCount(); ++i )
{
BOARD_ITEM* item = static_cast<BOARD_ITEM*>( selection.items.GetPickedItem( i ) );
ratsnest->Update( item );
if( aRedraw )
ratsnest->AddSimple( item );
}
}
wxPoint EDIT_TOOL::getModificationPoint( const SELECTION_TOOL::SELECTION& aSelection )
{
if( aSelection.Size() == 1 )
{
return static_cast<BOARD_ITEM*>( aSelection.items.GetPickedItem( 0 ) )->GetPosition();
}
else
{
VECTOR2I cursor = getView()->ToWorld( getViewControls()->GetCursorPosition() );
return wxPoint( cursor.x, cursor.y );
}
}
bool EDIT_TOOL::makeSelection( const SELECTION_TOOL::SELECTION& aSelection )
{
if( aSelection.Empty() )
{
// Try to find an item that could be modified
m_toolMgr->RunAction( "pcbnew.InteractiveSelection.Single" );
if( aSelection.Empty() )
{
// This is necessary, so later the tool may be activated upon
// reception of the activation event
setTransitions();
return false; // Still no items to work with
}
}
return true;
}