kicad/pcbnew/tools/selection_tool.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2013-2016 CERN
* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
* @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 <limits>
#include <functional>
using namespace std::placeholders;
#include <class_board.h>
#include <class_board_item.h>
#include <class_track.h>
#include <class_module.h>
#include <class_pcb_text.h>
#include <class_drawsegment.h>
#include <wxPcbStruct.h>
#include <collectors.h>
#include <confirm.h>
#include <dialog_find.h>
#include <class_draw_panel_gal.h>
#include <view/view_controls.h>
#include <view/view_group.h>
#include <painter.h>
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#include <tool/tool_event.h>
#include <tool/tool_manager.h>
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#include <ratsnest_data.h>
#include "selection_tool.h"
#include "selection_area.h"
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#include "zoom_menu.h"
#include "grid_menu.h"
#include "bright_box.h"
#include "common_actions.h"
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class SELECT_MENU: public CONTEXT_MENU
{
public:
SELECT_MENU()
{
Add( COMMON_ACTIONS::selectConnection );
Add( COMMON_ACTIONS::selectCopper );
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Add( COMMON_ACTIONS::selectNet );
}
};
SELECTION_TOOL::SELECTION_TOOL() :
TOOL_INTERACTIVE( "pcbnew.InteractiveSelection" ),
m_frame( NULL ), m_additive( false ), m_multiple( false ), m_editModules( false ),
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m_locked( true ), m_menu( this ), m_contextMenu( NULL ), m_selectMenu( NULL ),
m_zoomMenu( NULL ), m_gridMenu( NULL )
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{
// Do not leave uninitialized members:
m_preliminary = false;
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}
SELECTION_TOOL::~SELECTION_TOOL()
{
delete m_selection.group;
delete m_contextMenu;
delete m_selectMenu;
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delete m_zoomMenu;
delete m_gridMenu;
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}
bool SELECTION_TOOL::Init()
{
m_selection.group = new KIGFX::VIEW_GROUP;
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m_selectMenu = new SELECT_MENU;
m_selectMenu->SetTool( this );
m_menu.AddMenu( m_selectMenu, _( "Select..." ), false,
( SELECTION_CONDITIONS::OnlyType( PCB_VIA_T ) || SELECTION_CONDITIONS::OnlyType( PCB_TRACE_T ) ) &&
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SELECTION_CONDITIONS::Count( 1 ) );
m_menu.AddSeparator( SELECTION_CONDITIONS::ShowAlways, 1000 );
m_menu.AddItem( COMMON_ACTIONS::zoomCenter, SELECTION_CONDITIONS::ShowAlways, 1000 );
m_menu.AddItem( COMMON_ACTIONS::zoomIn, SELECTION_CONDITIONS::ShowAlways, 1000 );
m_menu.AddItem( COMMON_ACTIONS::zoomOut , SELECTION_CONDITIONS::ShowAlways, 1000 );
m_menu.AddItem( COMMON_ACTIONS::zoomFitScreen , SELECTION_CONDITIONS::ShowAlways, 1000 );
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PCB_BASE_FRAME* frame = getEditFrame<PCB_BASE_FRAME>();
m_zoomMenu = new ZOOM_MENU( frame );
m_menu.AddMenu( m_zoomMenu, _( "Zoom" ), false, SELECTION_CONDITIONS::ShowAlways, 1000 );
m_gridMenu = new GRID_MENU( frame );
m_menu.AddMenu( m_gridMenu, _( "Grid" ), false, SELECTION_CONDITIONS::ShowAlways, 1000 );
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return true;
}
void SELECTION_TOOL::Reset( RESET_REASON aReason )
{
m_frame = getEditFrame<PCB_BASE_FRAME>();
m_locked = true;
m_preliminary = true;
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if( aReason == TOOL_BASE::MODEL_RELOAD )
{
// Remove pointers to the selected items from containers
// without changing their properties (as they are already deleted
// while a new board is loaded)
m_selection.clear();
getView()->GetPainter()->GetSettings()->SetHighlight( false );
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}
else
// Restore previous properties of selected items and remove them from containers
clearSelection();
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// Reinsert the VIEW_GROUP, in case it was removed from the VIEW
getView()->Remove( m_selection.group );
getView()->Add( m_selection.group );
}
int SELECTION_TOOL::Main( const TOOL_EVENT& aEvent )
{
// Main loop: keep receiving events
while( OPT_TOOL_EVENT evt = Wait() )
{
// Should selected items be added to the current selection or
// become the new selection (discarding previously selected items)
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m_additive = evt->Modifier( MD_SHIFT );
// single click? Select single object
if( evt->IsClick( BUT_LEFT ) )
{
if( evt->Modifier( MD_CTRL ) && !m_editModules )
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{
m_toolMgr->RunAction( COMMON_ACTIONS::highlightNet, true );
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}
else
{
if( !m_additive )
clearSelection();
selectPoint( evt->Position() );
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}
}
// right click? if there is any object - show the context menu
else if( evt->IsClick( BUT_RIGHT ) )
{
bool emptySelection = m_selection.Empty();
if( emptySelection )
selectPoint( evt->Position() );
delete m_contextMenu;
m_contextMenu = m_menu.Generate( m_selection );
if( m_contextMenu->GetMenuItemCount() > 0 )
SetContextMenu( m_contextMenu, CMENU_NOW );
m_preliminary = emptySelection;
}
// double click? Display the properties window
else if( evt->IsDblClick( BUT_LEFT ) )
{
if( m_selection.Empty() )
selectPoint( evt->Position() );
m_toolMgr->RunAction( COMMON_ACTIONS::properties );
}
// drag with LMB? Select multiple objects (or at least draw a selection box) or drag them
else if( evt->IsDrag( BUT_LEFT ) )
{
if( m_additive )
{
m_preliminary = false;
selectMultiple();
}
else if( m_selection.Empty() )
{
m_preliminary = false;
// There is nothing selected, so try to select something
if( !selectCursor() )
{
// If nothings has been selected or user wants to select more
// draw the selection box
selectMultiple();
}
else
{
m_toolMgr->InvokeTool( "pcbnew.InteractiveEdit" );
}
}
else
{
// Check if dragging has started within any of selected items bounding box
if( selectionContains( evt->Position() ) )
{
// Yes -> run the move tool and wait till it finishes
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m_toolMgr->InvokeTool( "pcbnew.InteractiveEdit" );
}
else
{
// No -> clear the selection list
clearSelection();
}
}
}
else if( evt->IsAction( &COMMON_ACTIONS::selectionCursor ) )
{
selectCursor( true );
}
else if( evt->IsAction( &COMMON_ACTIONS::find ) )
{
find( *evt );
}
else if( evt->IsAction( &COMMON_ACTIONS::findMove ) )
{
findMove( *evt );
}
else if( evt->IsAction( &COMMON_ACTIONS::selectItem ) )
{
SelectItem( *evt );
}
else if( evt->IsAction( &COMMON_ACTIONS::unselectItem ) )
{
UnselectItem( *evt );
}
else if( evt->IsCancel() || evt->Action() == TA_UNDO_REDO ||
evt->IsAction( &COMMON_ACTIONS::selectionClear ) )
{
clearSelection();
}
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else if( evt->IsAction( &COMMON_ACTIONS::selectConnection ) )
{
selectConnection( *evt );
}
else if( evt->IsAction( &COMMON_ACTIONS::selectCopper ) )
{
selectCopper( *evt );
}
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else if( evt->IsAction( &COMMON_ACTIONS::selectNet ) )
{
selectNet( *evt );
}
else if( evt->Action() == TA_CONTEXT_MENU_CLOSED )
{
if( m_preliminary )
clearSelection();
if( evt->Parameter<CONTEXT_MENU*>() == m_contextMenu )
{
delete m_contextMenu;
m_contextMenu = NULL;
}
}
}
// This tool is supposed to be active forever
assert( false );
return 0;
}
const SELECTION& SELECTION_TOOL::GetSelection()
{
// The selected items list has been requested, so it is no longer preliminary
m_preliminary = false;
// Filter out not modifiable items
for( int i = 0; i < m_selection.Size(); )
{
BOARD_ITEM* item = m_selection.Item<BOARD_ITEM>( i );
if( !modifiable( item ) )
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{
m_selection.items.RemovePicker( i );
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m_selection.group->Remove( item );
}
else
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{
++i;
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}
}
return m_selection;
}
void SELECTION_TOOL::toggleSelection( BOARD_ITEM* aItem )
{
if( aItem->IsSelected() )
{
unselect( aItem );
// Inform other potentially interested tools
m_toolMgr->ProcessEvent( UnselectedEvent );
}
else
{
if( !m_additive )
clearSelection();
// Prevent selection of invisible or inactive items
if( selectable( aItem ) )
{
select( aItem );
// Inform other potentially interested tools
m_toolMgr->ProcessEvent( SelectedEvent );
}
}
m_frame->GetGalCanvas()->ForceRefresh();
}
bool SELECTION_TOOL::selectPoint( const VECTOR2I& aWhere, bool aOnDrag )
{
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BOARD_ITEM* item;
GENERAL_COLLECTORS_GUIDE guide = m_frame->GetCollectorsGuide();
GENERAL_COLLECTOR collector;
if( m_editModules )
collector.Collect( getModel<BOARD>(), GENERAL_COLLECTOR::ModuleItems,
wxPoint( aWhere.x, aWhere.y ), guide );
else
collector.Collect( getModel<BOARD>(), GENERAL_COLLECTOR::AllBoardItems,
wxPoint( aWhere.x, aWhere.y ), guide );
bool anyCollected = collector.GetCount() != 0;
// Remove unselectable items
for( int i = collector.GetCount() - 1; i >= 0; --i )
{
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if( !selectable( collector[i] ) || ( aOnDrag && collector[i]->IsLocked() ) )
collector.Remove( i );
}
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switch( collector.GetCount() )
{
case 0:
if( !m_additive && anyCollected )
clearSelection();
return false;
case 1:
toggleSelection( collector[0] );
return true;
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default:
// Apply some ugly heuristics to avoid disambiguation menus whenever possible
guessSelectionCandidates( collector );
// Let's see if there is still disambiguation in selection..
if( collector.GetCount() == 1 )
{
toggleSelection( collector[0] );
return true;
}
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else if( collector.GetCount() > 1 )
{
if( aOnDrag )
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Wait( TOOL_EVENT( TC_ANY, TA_MOUSE_UP, BUT_LEFT ) );
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item = disambiguationMenu( &collector );
if( item )
{
toggleSelection( item );
return true;
}
}
break;
}
return false;
}
bool SELECTION_TOOL::selectCursor( bool aSelectAlways )
{
if( aSelectAlways || m_selection.Empty() )
{
clearSelection();
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selectPoint( getViewControls()->GetCursorPosition() );
}
return !m_selection.Empty();
}
bool SELECTION_TOOL::selectMultiple()
{
bool cancelled = false; // Was the tool cancelled while it was running?
m_multiple = true; // Multiple selection mode is active
KIGFX::VIEW* view = getView();
getViewControls()->SetAutoPan( true );
SELECTION_AREA area;
view->Add( &area );
while( OPT_TOOL_EVENT evt = Wait() )
{
if( evt->IsCancel() )
{
cancelled = true;
break;
}
if( evt->IsDrag( BUT_LEFT ) )
{
if( !m_additive )
clearSelection();
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// Start drawing a selection box
area.SetOrigin( evt->DragOrigin() );
area.SetEnd( evt->Position() );
area.ViewSetVisible( true );
area.ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
}
if( evt->IsMouseUp( BUT_LEFT ) )
{
// End drawing the selection box
area.ViewSetVisible( false );
// Mark items within the selection box as selected
std::vector<KIGFX::VIEW::LAYER_ITEM_PAIR> selectedItems;
BOX2I selectionBox = area.ViewBBox();
view->Query( selectionBox, selectedItems ); // Get the list of selected items
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std::vector<KIGFX::VIEW::LAYER_ITEM_PAIR>::iterator it, it_end;
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for( it = selectedItems.begin(), it_end = selectedItems.end(); it != it_end; ++it )
{
BOARD_ITEM* item = static_cast<BOARD_ITEM*>( it->first );
// Add only those items that are visible and fully within the selection box
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if( !item->IsSelected() && selectable( item ) &&
selectionBox.Contains( item->ViewBBox() ) )
{
select( item );
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}
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}
if( m_selection.Size() == 1 )
m_frame->SetCurItem( m_selection.Item<BOARD_ITEM>( 0 ) );
else
m_frame->SetCurItem( NULL );
// Inform other potentially interested tools
if( !m_selection.Empty() )
m_toolMgr->ProcessEvent( SelectedEvent );
break; // Stop waiting for events
}
}
// Stop drawing the selection box
area.ViewSetVisible( false );
view->Remove( &area );
m_multiple = false; // Multiple selection mode is inactive
getViewControls()->SetAutoPan( false );
return cancelled;
}
void SELECTION_TOOL::SetTransitions()
{
Go( &SELECTION_TOOL::Main, COMMON_ACTIONS::selectionActivate.MakeEvent() );
Go( &SELECTION_TOOL::CursorSelection, COMMON_ACTIONS::selectionCursor.MakeEvent() );
Go( &SELECTION_TOOL::ClearSelection, COMMON_ACTIONS::selectionClear.MakeEvent() );
Go( &SELECTION_TOOL::SelectItem, COMMON_ACTIONS::selectItem.MakeEvent() );
Go( &SELECTION_TOOL::UnselectItem, COMMON_ACTIONS::unselectItem.MakeEvent() );
Go( &SELECTION_TOOL::find, COMMON_ACTIONS::find.MakeEvent() );
Go( &SELECTION_TOOL::findMove, COMMON_ACTIONS::findMove.MakeEvent() );
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Go( &SELECTION_TOOL::selectConnection, COMMON_ACTIONS::selectConnection.MakeEvent() );
Go( &SELECTION_TOOL::selectCopper, COMMON_ACTIONS::selectCopper.MakeEvent() );
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Go( &SELECTION_TOOL::selectNet, COMMON_ACTIONS::selectNet.MakeEvent() );
}
SELECTION_LOCK_FLAGS SELECTION_TOOL::CheckLock()
{
if( !m_locked || m_editModules )
return SELECTION_UNLOCKED;
bool containsLocked = false;
// Check if the selection contains locked items
for( int i = 0; i < m_selection.Size(); ++i )
{
BOARD_ITEM* item = m_selection.Item<BOARD_ITEM>( i );
switch( item->Type() )
{
case PCB_MODULE_T:
if( static_cast<MODULE*>( item )->IsLocked() )
containsLocked = true;
break;
case PCB_MODULE_EDGE_T:
case PCB_MODULE_TEXT_T:
if( static_cast<MODULE*>( item->GetParent() )->IsLocked() )
containsLocked = true;
break;
default: // suppress warnings
break;
}
}
if( containsLocked )
{
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if( IsOK( m_frame, _( "Selection contains locked items. Do you want to continue?" ) ) )
{
m_locked = false;
return SELECTION_LOCK_OVERRIDE;
}
else
return SELECTION_LOCKED;
}
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m_locked = false;
return SELECTION_UNLOCKED;
}
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int SELECTION_TOOL::CursorSelection( const TOOL_EVENT& aEvent )
{
selectCursor( true );
return 0;
}
int SELECTION_TOOL::ClearSelection( const TOOL_EVENT& aEvent )
{
clearSelection();
return 0;
}
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int SELECTION_TOOL::SelectItem( const TOOL_EVENT& aEvent )
{
// Check if there is an item to be selected
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BOARD_ITEM* item = aEvent.Parameter<BOARD_ITEM*>();
if( item )
{
select( item );
// Inform other potentially interested tools
m_toolMgr->ProcessEvent( SelectedEvent );
}
return 0;
}
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int SELECTION_TOOL::UnselectItem( const TOOL_EVENT& aEvent )
{
// Check if there is an item to be selected
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BOARD_ITEM* item = aEvent.Parameter<BOARD_ITEM*>();
if( item )
{
unselect( item );
// Inform other potentially interested tools
m_toolMgr->ProcessEvent( UnselectedEvent );
}
return 0;
}
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int SELECTION_TOOL::selectConnection( const TOOL_EVENT& aEvent )
{
if( !selectCursor( true ) )
return 0;
BOARD_CONNECTED_ITEM* item = m_selection.Item<BOARD_CONNECTED_ITEM>( 0 );
clearSelection();
if( item->Type() != PCB_TRACE_T && item->Type() != PCB_VIA_T )
return 0;
int segmentCount;
TRACK* trackList = getModel<BOARD>()->MarkTrace( static_cast<TRACK*>( item ), &segmentCount,
NULL, NULL, true );
if( segmentCount == 0 )
return 0;
for( int i = 0; i < segmentCount; ++i )
{
select( trackList );
trackList = trackList->Next();
}
// Inform other potentially interested tools
m_toolMgr->ProcessEvent( SelectedEvent );
return 0;
}
int SELECTION_TOOL::selectCopper( const TOOL_EVENT& aEvent )
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{
if( !selectCursor( true ) )
return 0;
BOARD_CONNECTED_ITEM* item = m_selection.Item<BOARD_CONNECTED_ITEM>( 0 );
clearSelection();
if( item->Type() != PCB_TRACE_T && item->Type() != PCB_VIA_T )
return 0;
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std::list<BOARD_CONNECTED_ITEM*> itemsList;
RN_DATA* ratsnest = getModel<BOARD>()->GetRatsnest();
ratsnest->GetConnectedItems( item, itemsList, (RN_ITEM_TYPE)( RN_TRACKS | RN_VIAS ) );
for( BOARD_CONNECTED_ITEM* i : itemsList )
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select( i );
// Inform other potentially interested tools
if( itemsList.size() > 0 )
m_toolMgr->ProcessEvent( SelectedEvent );
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return 0;
}
int SELECTION_TOOL::selectNet( const TOOL_EVENT& aEvent )
{
if( !selectCursor( true ) )
return 0;
BOARD_CONNECTED_ITEM* item = m_selection.Item<BOARD_CONNECTED_ITEM>( 0 );
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std::list<BOARD_CONNECTED_ITEM*> itemsList;
RN_DATA* ratsnest = getModel<BOARD>()->GetRatsnest();
int netCode = item->GetNetCode();
clearSelection();
ratsnest->GetNetItems( netCode, itemsList, (RN_ITEM_TYPE)( RN_TRACKS | RN_VIAS ) );
for( BOARD_CONNECTED_ITEM* i : itemsList )
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select( i );
// Inform other potentially interested tools
if( itemsList.size() > 0 )
m_toolMgr->ProcessEvent( SelectedEvent );
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return 0;
}
void SELECTION_TOOL::findCallback( BOARD_ITEM* aItem )
{
clearSelection();
if( aItem )
{
select( aItem );
EDA_RECT bbox = aItem->GetBoundingBox();
BOX2D viewport( VECTOR2D( bbox.GetOrigin() ), VECTOR2D( bbox.GetSize() ) );
getView()->SetViewport( viewport );
// Inform other potentially interested tools
m_toolMgr->ProcessEvent( SelectedEvent );
}
m_frame->GetGalCanvas()->ForceRefresh();
}
int SELECTION_TOOL::find( const TOOL_EVENT& aEvent )
{
DIALOG_FIND dlg( m_frame );
dlg.EnableWarp( false );
dlg.SetCallback( std::bind( &SELECTION_TOOL::findCallback, this, _1 ) );
dlg.ShowModal();
return 0;
}
int SELECTION_TOOL::findMove( const TOOL_EVENT& aEvent )
{
MODULE* module = m_frame->GetFootprintFromBoardByReference();
if( module )
{
clearSelection();
toggleSelection( module );
m_toolMgr->InvokeTool( "pcbnew.InteractiveEdit" );
}
return 0;
}
void SELECTION_TOOL::clearSelection()
{
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if( m_selection.Empty() )
return;
KIGFX::VIEW_GROUP::const_iter it, it_end;
// Restore the initial properties
for( it = m_selection.group->Begin(), it_end = m_selection.group->End(); it != it_end; ++it )
{
BOARD_ITEM* item = static_cast<BOARD_ITEM*>( *it );
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item->ViewHide( false );
item->ClearSelected();
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item->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY ) ;
}
m_selection.clear();
m_frame->SetCurItem( NULL );
m_locked = true;
// Inform other potentially interested tools
m_toolMgr->ProcessEvent( ClearedEvent );
}
BOARD_ITEM* SELECTION_TOOL::disambiguationMenu( GENERAL_COLLECTOR* aCollector )
{
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BOARD_ITEM* current = NULL;
std::shared_ptr<BRIGHT_BOX> brightBox;
CONTEXT_MENU menu;
int limit = std::min( 10, aCollector->GetCount() );
for( int i = 0; i < limit; ++i )
{
wxString text;
BOARD_ITEM* item = ( *aCollector )[i];
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text = item->GetSelectMenuText();
menu.Add( text, i + 1 );
}
menu.SetTitle( _( "Clarify selection" ) );
SetContextMenu( &menu, CMENU_NOW );
while( OPT_TOOL_EVENT evt = Wait() )
{
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if( evt->Action() == TA_CONTEXT_MENU_UPDATE )
{
if( current )
current->ClearBrightened();
int id = *evt->GetCommandId();
// User has pointed an item, so show it in a different way
if( id > 0 && id <= limit )
{
current = ( *aCollector )[id - 1];
current->SetBrightened();
}
else
{
current = NULL;
}
}
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else if( evt->Action() == TA_CONTEXT_MENU_CHOICE )
{
boost::optional<int> id = evt->GetCommandId();
// User has selected an item, so this one will be returned
if( id && ( *id > 0 ) )
current = ( *aCollector )[*id - 1];
else
current = NULL;
break;
}
// Draw a mark to show which item is available to be selected
if( current && current->IsBrightened() )
{
brightBox.reset( new BRIGHT_BOX( current ) );
getView()->Add( brightBox.get() );
// BRIGHT_BOX is removed from view on destruction
}
}
return current;
}
BOARD_ITEM* SELECTION_TOOL::pickSmallestComponent( GENERAL_COLLECTOR* aCollector )
{
int count = aCollector->GetPrimaryCount(); // try to use preferred layer
if( 0 == count )
count = aCollector->GetCount();
for( int i = 0; i < count; ++i )
{
if( ( *aCollector )[i]->Type() != PCB_MODULE_T )
return NULL;
}
// All are modules, now find smallest MODULE
int minDim = 0x7FFFFFFF;
int minNdx = 0;
for( int i = 0; i < count; ++i )
{
MODULE* module = (MODULE*) ( *aCollector )[i];
int lx = module->GetBoundingBox().GetWidth();
int ly = module->GetBoundingBox().GetHeight();
int lmin = std::min( lx, ly );
if( lmin < minDim )
{
minDim = lmin;
minNdx = i;
}
}
return (*aCollector)[minNdx];
}
bool SELECTION_TOOL::selectable( const BOARD_ITEM* aItem ) const
{
// Is high contrast mode enabled?
bool highContrast = getView()->GetPainter()->GetSettings()->GetHighContrast();
if( highContrast )
{
bool onActive = false; // Is the item on any of active layers?
int layers[KIGFX::VIEW::VIEW_MAX_LAYERS], layers_count;
// Filter out items that do not belong to active layers
const std::set<unsigned int>& activeLayers = getView()->GetPainter()->
GetSettings()->GetActiveLayers();
aItem->ViewGetLayers( layers, layers_count );
for( int i = 0; i < layers_count; ++i )
{
if( activeLayers.count( layers[i] ) > 0 ) // Item is on at least one of the active layers
{
onActive = true;
break;
}
}
if( !onActive ) // We do not want to select items that are in the background
return false;
}
BOARD* board = getModel<BOARD>();
switch( aItem->Type() )
{
case PCB_VIA_T:
{
// For vias it is enough if only one of layers is visible
LAYER_ID top, bottom;
static_cast<const VIA*>( aItem )->LayerPair( &top, &bottom );
return board->IsLayerVisible( top ) || board->IsLayerVisible( bottom );
}
break;
case PCB_MODULE_T:
if( aItem->IsOnLayer( F_Cu ) && board->IsElementVisible( MOD_FR_VISIBLE ) )
return !m_editModules;
if( aItem->IsOnLayer( B_Cu ) && board->IsElementVisible( MOD_BK_VISIBLE ) )
return !m_editModules;
return false;
break;
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case PCB_MODULE_TEXT_T:
if( m_multiple && !m_editModules )
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return false;
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return aItem->ViewIsVisible() && board->IsLayerVisible( aItem->GetLayer() );
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case PCB_MODULE_EDGE_T:
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case PCB_PAD_T:
{
if( m_multiple && !m_editModules )
return false;
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MODULE* mod = static_cast<const D_PAD*>( aItem )->GetParent();
if( mod && mod->IsLocked() )
return false;
break;
}
// These are not selectable
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case NOT_USED:
case TYPE_NOT_INIT:
return false;
default: // Suppress warnings
break;
}
// All other items are selected only if the layer on which they exist is visible
return board->IsLayerVisible( aItem->GetLayer() );
}
bool SELECTION_TOOL::modifiable( const BOARD_ITEM* aItem ) const
{
if( aItem->Type() == PCB_MARKER_T )
return false;
return true;
}
void SELECTION_TOOL::select( BOARD_ITEM* aItem )
{
if( aItem->IsSelected() )
return;
// Modules are treated in a special way - when they are selected, we have to mark
// all the parts that make the module as selected
if( aItem->Type() == PCB_MODULE_T )
{
MODULE* module = static_cast<MODULE*>( aItem );
module->RunOnChildren( std::bind( &SELECTION_TOOL::selectVisually, this, _1 ) );
}
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if( aItem->Type() == PCB_PAD_T )
{
MODULE* module = static_cast<MODULE*>( aItem->GetParent() );
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if( m_selection.items.FindItem( module ) >= 0 )
return;
}
selectVisually( aItem );
ITEM_PICKER picker( aItem );
m_selection.items.PushItem( picker );
if( m_selection.Size() == 1 )
{
// Set as the current item, so the information about selection is displayed
m_frame->SetCurItem( aItem, true );
}
else if( m_selection.Size() == 2 ) // Check only for 2, so it will not be
{ // called for every next selected item
// If multiple items are selected, do not show the information about the selected item
m_frame->SetCurItem( NULL, true );
}
}
void SELECTION_TOOL::unselect( BOARD_ITEM* aItem )
{
if( !aItem->IsSelected() )
return;
// Modules are treated in a special way - when they are selected, we have to
// unselect all the parts that make the module, not the module itself
if( aItem->Type() == PCB_MODULE_T )
{
MODULE* module = static_cast<MODULE*>( aItem );
module->RunOnChildren( std::bind( &SELECTION_TOOL::unselectVisually, this, _1 ) );
}
unselectVisually( aItem );
int itemIdx = m_selection.items.FindItem( aItem );
if( itemIdx >= 0 )
m_selection.items.RemovePicker( itemIdx );
if( m_selection.Empty() )
{
m_frame->SetCurItem( NULL );
m_locked = true;
}
}
void SELECTION_TOOL::selectVisually( BOARD_ITEM* aItem ) const
{
m_selection.group->Add( aItem );
// Hide the original item, so it is shown only on overlay
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aItem->ViewHide( true );
aItem->SetSelected();
}
void SELECTION_TOOL::unselectVisually( BOARD_ITEM* aItem ) const
{
m_selection.group->Remove( aItem );
// Restore original item visibility
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aItem->ViewHide( false );
aItem->ClearSelected();
aItem->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
}
bool SELECTION_TOOL::selectionContains( const VECTOR2I& aPoint ) const
{
const unsigned GRIP_MARGIN = 20;
VECTOR2D margin = getView()->ToWorld( VECTOR2D( GRIP_MARGIN, GRIP_MARGIN ), false );
// Check if the point is located within any of the currently selected items bounding boxes
for( unsigned int i = 0; i < m_selection.items.GetCount(); ++i )
{
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BOARD_ITEM* item = m_selection.Item<BOARD_ITEM>( i );
BOX2I itemBox = item->ViewBBox();
itemBox.Inflate( margin.x, margin.y ); // Give some margin for gripping an item
if( itemBox.Contains( aPoint ) )
return true;
}
return false;
}
static EDA_RECT getRect( const BOARD_ITEM* aItem )
{
if( aItem->Type() == PCB_MODULE_T )
return static_cast<const MODULE*>( aItem )->GetFootprintRect();
return aItem->GetBoundingBox();
}
static double calcArea( const BOARD_ITEM* aItem )
{
if( aItem->Type() == PCB_TRACE_T )
{
const TRACK* t = static_cast<const TRACK*>( aItem );
return ( t->GetWidth() + t->GetLength() ) * t->GetWidth();
}
return getRect( aItem ).GetArea();
}
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static double calcMinArea( GENERAL_COLLECTOR& aCollector, KICAD_T aType )
{
double best = std::numeric_limits<double>::max();
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if( !aCollector.GetCount() )
return 0.0;
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for( int i = 0; i < aCollector.GetCount(); i++ )
{
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BOARD_ITEM* item = aCollector[i];
if( item->Type() == aType )
best = std::min( best, calcArea( item ) );
}
return best;
}
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static double calcMaxArea( GENERAL_COLLECTOR& aCollector, KICAD_T aType )
{
double best = 0.0;
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for( int i = 0; i < aCollector.GetCount(); i++ )
{
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BOARD_ITEM* item = aCollector[i];
if( item->Type() == aType )
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best = std::max( best, calcArea( item ) );
}
return best;
}
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static inline double calcCommonArea( const BOARD_ITEM* aItem, const BOARD_ITEM* aOther )
{
return getRect( aItem ).Common( getRect( aOther ) ).GetArea();
}
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double calcRatio( double a, double b )
{
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if( a == 0.0 && b == 0.0 )
return 1.0;
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if( b == 0.0 )
return 10000000.0; // something arbitrarily big for the moment
return a / b;
}
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// todo: explain the selection heuristics
void SELECTION_TOOL::guessSelectionCandidates( GENERAL_COLLECTOR& aCollector ) const
{
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std::set<BOARD_ITEM*> rejected;
const double footprintAreaRatio = 0.2;
const double modulePadMinCoverRatio = 0.45;
const double padViaAreaRatio = 0.5;
const double trackViaLengthRatio = 2.0;
const double trackTrackLengthRatio = 0.3;
const double textToFeatureMinRatio = 0.2;
const double textToFootprintMinRatio = 0.4;
// If the common area of two compared items is above the following threshold, they cannot
// be rejected (it means they overlap and it might be hard to pick one by selecting
// its unique area).
const double commonAreaRatio = 0.6;
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LAYER_ID actLayer = m_frame->GetActiveLayer();
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LSET silkLayers( 2, B_SilkS, F_SilkS );
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if( silkLayers[actLayer] )
{
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std::set<BOARD_ITEM*> preferred;
for( int i = 0; i < aCollector.GetCount(); ++i )
{
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BOARD_ITEM* item = aCollector[i];
KICAD_T type = item->Type();
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if( ( type == PCB_MODULE_TEXT_T || type == PCB_TEXT_T || type == PCB_LINE_T )
&& silkLayers[item->GetLayer()] )
{
preferred.insert( item );
}
}
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if( preferred.size() != 0 )
{
aCollector.Empty();
for( BOARD_ITEM* item : preferred )
aCollector.Append( item );
return;
}
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}
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if( aCollector.CountType( PCB_MODULE_TEXT_T ) > 0 )
{
for( int i = 0; i < aCollector.GetCount(); ++i )
{
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if( TEXTE_MODULE* txt = dyn_cast<TEXTE_MODULE*>( aCollector[i] ) )
{
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double textArea = calcArea( txt );
for( int j = 0; j < aCollector.GetCount(); ++j )
{
if( i == j )
continue;
BOARD_ITEM* item = aCollector[j];
double itemArea = calcArea( item );
double areaRatio = calcRatio( textArea, itemArea );
double commonArea = calcCommonArea( txt, item );
double itemCommonRatio = calcRatio( commonArea, itemArea );
double txtCommonRatio = calcRatio( commonArea, textArea );
if( item->Type() == PCB_MODULE_T && areaRatio < textToFootprintMinRatio &&
itemCommonRatio < commonAreaRatio )
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rejected.insert( item );
switch( item->Type() )
{
case PCB_TRACE_T:
case PCB_PAD_T:
case PCB_LINE_T:
case PCB_VIA_T:
case PCB_MODULE_T:
if( areaRatio > textToFeatureMinRatio && txtCommonRatio < commonAreaRatio )
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rejected.insert( txt );
break;
default:
break;
}
}
}
}
}
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if( aCollector.CountType( PCB_MODULE_T ) > 0 )
{
double minArea = calcMinArea( aCollector, PCB_MODULE_T );
double maxArea = calcMaxArea( aCollector, PCB_MODULE_T );
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if( calcRatio( minArea, maxArea ) <= footprintAreaRatio )
{
for( int i = 0; i < aCollector.GetCount(); ++i )
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{
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if( MODULE* mod = dyn_cast<MODULE*>( aCollector[i] ) )
{
double normalizedArea = calcRatio( calcArea( mod ), maxArea );
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if( normalizedArea > footprintAreaRatio )
rejected.insert( mod );
}
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}
}
}
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if( aCollector.CountType( PCB_PAD_T ) > 0 )
{
for( int i = 0; i < aCollector.GetCount(); ++i )
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{
if( D_PAD* pad = dyn_cast<D_PAD*>( aCollector[i] ) )
{
double ratio = pad->GetParent()->PadCoverageRatio();
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if( ratio < modulePadMinCoverRatio )
rejected.insert( pad->GetParent() );
}
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}
}
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if( aCollector.CountType( PCB_VIA_T ) > 0 )
{
for( int i = 0; i < aCollector.GetCount(); ++i )
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{
if( VIA* via = dyn_cast<VIA*>( aCollector[i] ) )
{
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double viaArea = calcArea( via );
for( int j = 0; j < aCollector.GetCount(); ++j )
{
if( i == j )
continue;
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BOARD_ITEM* item = aCollector[j];
double areaRatio = calcRatio( viaArea, calcArea( item ) );
if( item->Type() == PCB_MODULE_T && areaRatio < modulePadMinCoverRatio )
rejected.insert( item );
if( item->Type() == PCB_PAD_T && areaRatio < padViaAreaRatio )
rejected.insert( item );
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if( TRACK* track = dyn_cast<TRACK*>( item ) )
{
if( track->GetNetCode() != via->GetNetCode() )
continue;
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double lenRatio = (double) ( track->GetLength() + track->GetWidth() ) /
(double) via->GetWidth();
if( lenRatio > trackViaLengthRatio )
rejected.insert( track );
}
}
}
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}
}
int nTracks = aCollector.CountType( PCB_TRACE_T );
if( nTracks > 0 )
{
double maxLength = 0.0;
double minLength = std::numeric_limits<double>::max();
double maxArea = 0.0;
for( int i = 0; i < aCollector.GetCount(); ++i )
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{
if( TRACK* track = dyn_cast<TRACK*> ( aCollector[i] ) )
{
maxLength = std::max( track->GetLength(), maxLength );
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maxLength = std::max( (double) track->GetWidth(), maxLength );
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minLength = std::min( std::max( track->GetLength(), (double)track->GetWidth() ), minLength );
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double area = ( track->GetLength() + track->GetWidth() * track->GetWidth() );
maxArea = std::max(area, maxArea);
}
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}
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if( maxLength > 0.0 && minLength / maxLength < trackTrackLengthRatio && nTracks > 1 )
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{
for( int i = 0; i < aCollector.GetCount(); ++i )
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{
if( TRACK* track = dyn_cast<TRACK*>( aCollector[i] ) )
{
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double ratio = std::max( (double) track->GetWidth(), track->GetLength() ) / maxLength;
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if( ratio > trackTrackLengthRatio )
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rejected.insert( track );
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}
}
}
for( int j = 0; j < aCollector.GetCount(); ++j )
{
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if( MODULE* mod = dyn_cast<MODULE*>( aCollector[j] ) )
{
double ratio = maxArea / mod->GetFootprintRect().GetArea();
if( ratio < modulePadMinCoverRatio )
rejected.insert( mod );
}
}
}
if( (unsigned) aCollector.GetCount() > rejected.size() ) // do not remove everything
{
for( BOARD_ITEM* item : rejected )
{
aCollector.Remove( item );
}
}
}
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bool SELECTION_TOOL::SanitizeSelection()
{
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std::set<BOARD_ITEM*> rejected;
std::set<BOARD_ITEM*> added;
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if( !m_editModules )
{
for( unsigned int i = 0; i < m_selection.items.GetCount(); ++i )
{
BOARD_ITEM* item = m_selection.Item<BOARD_ITEM>( i );
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if( item->Type() == PCB_PAD_T )
{
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MODULE* mod = static_cast<MODULE*>( item->GetParent() );
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// case 1: module (or its pads) are locked
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if( mod && ( mod->PadsLocked() || mod->IsLocked() ) )
{
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rejected.insert( item );
if( !mod->IsLocked() && !mod->IsSelected() )
added.insert( mod );
}
// case 2: multi-item selection contains both the module and its pads - remove the pads
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if( mod && m_selection.items.FindItem( mod ) >= 0 )
rejected.insert( item );
}
}
}
if( !rejected.empty() )
{
for( BOARD_ITEM* item : rejected )
unselect( item );
// Inform other potentially interested tools
m_toolMgr->ProcessEvent( UnselectedEvent );
}
if( !added.empty() )
{
for( BOARD_ITEM* item : added )
select( item );
// Inform other potentially interested tools
m_toolMgr->ProcessEvent( UnselectedEvent );
}
return true;
}
void SELECTION::clear()
{
items.ClearItemsList();
group->Clear();
}
VECTOR2I SELECTION::GetCenter() const
{
VECTOR2I centre;
if( Size() == 1 )
{
centre = Item<BOARD_ITEM>( 0 )->GetCenter();
}
else
{
EDA_RECT bbox = Item<BOARD_ITEM>( 0 )->GetBoundingBox();
for( unsigned int i = 1; i < items.GetCount(); ++i )
{
BOARD_ITEM* item = Item<BOARD_ITEM>( i );
bbox.Merge( item->GetBoundingBox() );
}
centre = bbox.Centre();
}
return centre;
}
const TOOL_EVENT SELECTION_TOOL::SelectedEvent( TC_MESSAGE, TA_ACTION, "pcbnew.InteractiveSelection.selected" );
const TOOL_EVENT SELECTION_TOOL::UnselectedEvent( TC_MESSAGE, TA_ACTION, "pcbnew.InteractiveSelection.unselected" );
const TOOL_EVENT SELECTION_TOOL::ClearedEvent( TC_MESSAGE, TA_ACTION, "pcbnew.InteractiveSelection.cleared" );