822 lines
22 KiB
C++
822 lines
22 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2019 CERN
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* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <bitmaps.h>
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#include <view/view.h>
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#include <view/view_controls.h>
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#include <preview_items/selection_area.h>
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#include <tool/tool_event.h>
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#include <tool/tool_manager.h>
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#include <tool/selection.h>
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#include <drawing_sheet/ds_data_item.h>
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#include <drawing_sheet/ds_data_model.h>
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#include <drawing_sheet/ds_draw_item.h>
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#include <collector.h>
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#include <math/util.h> // for KiROUND
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#include "pl_editor_frame.h"
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#include "pl_selection_tool.h"
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#include "tools/pl_actions.h"
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/**
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* The maximum number of items in the clarify selection context menu. The current
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* setting of 40 is arbitrary.
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*/
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#define MAX_SELECT_ITEM_IDS 40
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#define HITTEST_THRESHOLD_PIXELS 3
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PL_SELECTION_TOOL::PL_SELECTION_TOOL() :
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TOOL_INTERACTIVE( "plEditor.InteractiveSelection" ),
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m_frame( nullptr )
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{
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}
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bool PL_SELECTION_TOOL::Init()
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{
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m_frame = getEditFrame<PL_EDITOR_FRAME>();
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auto& menu = m_menu.GetMenu();
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menu.AddSeparator( 200 );
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menu.AddItem( PL_ACTIONS::drawLine, SELECTION_CONDITIONS::Empty, 200 );
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menu.AddItem( PL_ACTIONS::drawRectangle, SELECTION_CONDITIONS::Empty, 200 );
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menu.AddItem( PL_ACTIONS::placeText, SELECTION_CONDITIONS::Empty, 200 );
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menu.AddItem( PL_ACTIONS::placeImage, SELECTION_CONDITIONS::Empty, 200 );
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menu.AddSeparator( 1000 );
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m_frame->AddStandardSubMenus( m_menu );
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m_disambiguateTimer.SetOwner( this );
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Connect( wxEVT_TIMER, wxTimerEventHandler( PL_SELECTION_TOOL::onDisambiguationExpire ), nullptr, this );
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return true;
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}
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void PL_SELECTION_TOOL::Reset( RESET_REASON aReason )
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{
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if( aReason == MODEL_RELOAD )
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m_frame = getEditFrame<PL_EDITOR_FRAME>();
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}
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int PL_SELECTION_TOOL::UpdateMenu( const TOOL_EVENT& aEvent )
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{
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ACTION_MENU* actionMenu = aEvent.Parameter<ACTION_MENU*>();
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CONDITIONAL_MENU* conditionalMenu = dynamic_cast<CONDITIONAL_MENU*>( actionMenu );
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if( conditionalMenu )
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conditionalMenu->Evaluate( m_selection );
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if( actionMenu )
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actionMenu->UpdateAll();
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return 0;
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}
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int PL_SELECTION_TOOL::Main( const TOOL_EVENT& aEvent )
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{
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// Main loop: keep receiving events
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while( TOOL_EVENT* evt = Wait() )
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{
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// on left click, a selection is made, depending on modifiers ALT, SHIFT, CTRL:
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setModifiersState( evt->Modifier( MD_SHIFT ), evt->Modifier( MD_CTRL ),
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evt->Modifier( MD_ALT ) );
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bool modifier_enabled = m_subtractive || m_additive || m_exclusive_or;
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if( evt->IsMouseDown( BUT_LEFT ) )
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{
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// Avoid triggering when running under other tools
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if( m_toolMgr->GetCurrentTool() == this )
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m_disambiguateTimer.StartOnce( 500 );
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}
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// Single click? Select single object
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else if( evt->IsClick( BUT_LEFT ) )
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{
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// If the timer has stopped, then we have already run the disambiguate routine
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// and we don't want to register an extra click here
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if( !m_disambiguateTimer.IsRunning() )
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{
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evt->SetPassEvent();
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continue;
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}
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m_disambiguateTimer.Stop();
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SelectPoint( evt->Position() );
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}
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// right click? if there is any object - show the context menu
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else if( evt->IsClick( BUT_RIGHT ) )
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{
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m_disambiguateTimer.Stop();
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bool selectionCancelled = false;
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if( m_selection.Empty() )
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{
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SelectPoint( evt->Position(), &selectionCancelled );
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m_selection.SetIsHover( true );
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}
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if( !selectionCancelled )
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m_menu.ShowContextMenu( m_selection );
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}
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// double click? Display the properties window
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else if( evt->IsDblClick( BUT_LEFT ) )
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{
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// No double-click actions currently defined
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}
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// drag with LMB? Select multiple objects (or at least draw a selection box) or drag them
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else if( evt->IsDrag( BUT_LEFT ) )
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{
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m_disambiguateTimer.Stop();
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if( modifier_enabled || m_selection.Empty() )
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{
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selectMultiple();
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}
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else
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{
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// Check if dragging has started within any of selected items bounding box
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if( selectionContains( evt->Position() ) )
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{
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// Yes -> run the move tool and wait till it finishes
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m_toolMgr->RunAction( "plEditor.InteractiveMove.move", true );
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}
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else
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{
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// No -> clear the selection list
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ClearSelection();
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}
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}
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}
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// Middle double click? Do zoom to fit or zoom to objects
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else if( evt->IsDblClick( BUT_MIDDLE ) )
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{
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m_toolMgr->RunAction( ACTIONS::zoomFitScreen, true );
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}
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else if( evt->IsCancelInteractive() )
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{
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m_disambiguateTimer.Stop();
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ClearSelection();
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}
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else if( evt->Action() == TA_UNDO_REDO_PRE )
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{
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ClearSelection();
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}
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else
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evt->SetPassEvent();
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if( m_frame->ToolStackIsEmpty() )
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{
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if( !modifier_enabled
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&& !m_selection.Empty()
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&& m_frame->GetDragAction() == MOUSE_DRAG_ACTION::DRAG_SELECTED
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&& evt->HasPosition()
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&& selectionContains( evt->Position() ) )
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{
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m_frame->GetCanvas()->SetCurrentCursor( KICURSOR::MOVING );
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}
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else
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{
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if( m_additive )
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m_frame->GetCanvas()->SetCurrentCursor( KICURSOR::ADD );
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else if( m_subtractive )
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m_frame->GetCanvas()->SetCurrentCursor( KICURSOR::SUBTRACT );
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else if( m_exclusive_or )
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m_frame->GetCanvas()->SetCurrentCursor( KICURSOR::XOR );
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else
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m_frame->GetCanvas()->SetCurrentCursor( KICURSOR::ARROW );
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}
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}
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}
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return 0;
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}
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int PL_SELECTION_TOOL::disambiguateCursor( const TOOL_EVENT& aEvent )
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{
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VECTOR2I pos = m_toolMgr->GetMousePosition();
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m_skip_heuristics = true;
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SelectPoint( pos );
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m_skip_heuristics = false;
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return 0;
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}
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void PL_SELECTION_TOOL::onDisambiguationExpire( wxTimerEvent& aEvent )
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{
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m_toolMgr->ProcessEvent( EVENTS::DisambiguatePoint );
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}
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PL_SELECTION& PL_SELECTION_TOOL::GetSelection()
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{
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return m_selection;
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}
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void PL_SELECTION_TOOL::SelectPoint( const VECTOR2I& aWhere, bool* aSelectionCancelledFlag )
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{
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int threshold = KiROUND( getView()->ToWorld( HITTEST_THRESHOLD_PIXELS ) );
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// locate items.
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COLLECTOR collector;
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for( DS_DATA_ITEM* dataItem : DS_DATA_MODEL::GetTheInstance().GetItems() )
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{
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for( DS_DRAW_ITEM_BASE* drawItem : dataItem->GetDrawItems() )
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{
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if( drawItem->HitTest( (wxPoint) aWhere, threshold ) )
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collector.Append( drawItem );
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}
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}
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m_selection.ClearReferencePoint();
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// Apply some ugly heuristics to avoid disambiguation menus whenever possible
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if( collector.GetCount() > 1 && !m_skip_heuristics )
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{
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guessSelectionCandidates( collector, aWhere );
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}
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// If still more than one item we're going to have to ask the user.
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if( collector.GetCount() > 1 )
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{
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doSelectionMenu( &collector );
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if( collector.m_MenuCancelled )
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{
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if( aSelectionCancelledFlag )
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*aSelectionCancelledFlag = true;
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return;
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}
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}
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bool anyAdded = false;
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bool anySubtracted = false;
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if( !m_additive && !m_subtractive && !m_exclusive_or )
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{
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if( collector.GetCount() == 0 )
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anySubtracted = true;
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ClearSelection();
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}
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if( collector.GetCount() > 0 )
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{
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for( int i = 0; i < collector.GetCount(); ++i )
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{
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if( m_subtractive || ( m_exclusive_or && collector[i]->IsSelected() ) )
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{
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unselect( collector[i] );
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anySubtracted = true;
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}
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else
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{
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select( collector[i] );
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anyAdded = true;
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}
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}
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}
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if( anyAdded )
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m_toolMgr->ProcessEvent( EVENTS::SelectedEvent );
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if( anySubtracted )
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m_toolMgr->ProcessEvent( EVENTS::UnselectedEvent );
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}
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void PL_SELECTION_TOOL::guessSelectionCandidates( COLLECTOR& collector, const VECTOR2I& aPos )
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{
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// There are certain conditions that can be handled automatically.
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// Prefer an exact hit to a sloppy one
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for( int i = 0; collector.GetCount() == 2 && i < 2; ++i )
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{
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EDA_ITEM* item = collector[ i ];
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EDA_ITEM* other = collector[ ( i + 1 ) % 2 ];
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if( item->HitTest( (wxPoint) aPos, 0 ) && !other->HitTest( (wxPoint) aPos, 0 ) )
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collector.Transfer( other );
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}
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}
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PL_SELECTION& PL_SELECTION_TOOL::RequestSelection()
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{
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// If nothing is selected do a hover selection
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if( m_selection.Empty() )
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{
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VECTOR2D cursorPos = getViewControls()->GetCursorPosition( true );
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ClearSelection();
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SelectPoint( cursorPos );
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m_selection.SetIsHover( true );
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}
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return m_selection;
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}
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bool PL_SELECTION_TOOL::selectMultiple()
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{
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bool cancelled = false; // Was the tool cancelled while it was running?
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m_multiple = true; // Multiple selection mode is active
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KIGFX::VIEW* view = getView();
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KIGFX::PREVIEW::SELECTION_AREA area;
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view->Add( &area );
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while( TOOL_EVENT* evt = Wait() )
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{
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int width = area.GetEnd().x - area.GetOrigin().x;
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/* Selection mode depends on direction of drag-selection:
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* Left > Right : Select objects that are fully enclosed by selection
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* Right > Left : Select objects that are crossed by selection
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*/
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bool windowSelection = width >= 0 ? true : false;
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m_frame->GetCanvas()->SetCurrentCursor(
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windowSelection ? KICURSOR::SELECT_WINDOW : KICURSOR::SELECT_LASSO );
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if( evt->IsCancelInteractive() || evt->IsActivate() )
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{
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cancelled = true;
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break;
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}
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if( evt->IsDrag( BUT_LEFT ) )
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{
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if( !m_drag_additive && !m_drag_subtractive )
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ClearSelection();
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// Start drawing a selection box
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area.SetOrigin( evt->DragOrigin() );
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area.SetEnd( evt->Position() );
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area.SetAdditive( m_drag_additive );
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area.SetSubtractive( m_drag_subtractive );
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area.SetExclusiveOr( false );
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view->SetVisible( &area, true );
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view->Update( &area );
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getViewControls()->SetAutoPan( true );
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}
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if( evt->IsMouseUp( BUT_LEFT ) )
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{
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getViewControls()->SetAutoPan( false );
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// End drawing the selection box
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view->SetVisible( &area, false );
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int height = area.GetEnd().y - area.GetOrigin().y;
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bool anyAdded = false;
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bool anySubtracted = false;
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// Construct an EDA_RECT to determine EDA_ITEM selection
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EDA_RECT selectionRect( (wxPoint)area.GetOrigin(), wxSize( width, height ) );
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selectionRect.Normalize();
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for( DS_DATA_ITEM* dataItem : DS_DATA_MODEL::GetTheInstance().GetItems() )
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{
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for( DS_DRAW_ITEM_BASE* item : dataItem->GetDrawItems() )
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{
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if( item->HitTest( selectionRect, windowSelection ) )
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{
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if( m_subtractive || ( m_exclusive_or && item->IsSelected() ) )
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{
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unselect( item );
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anySubtracted = true;
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}
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else
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{
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select( item );
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anyAdded = true;
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}
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}
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}
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}
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// Inform other potentially interested tools
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if( anyAdded )
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m_toolMgr->ProcessEvent( EVENTS::SelectedEvent );
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if( anySubtracted )
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m_toolMgr->ProcessEvent( EVENTS::UnselectedEvent );
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break; // Stop waiting for events
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}
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}
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getViewControls()->SetAutoPan( false );
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// Stop drawing the selection box
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view->Remove( &area );
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m_multiple = false; // Multiple selection mode is inactive
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if( !cancelled )
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m_selection.ClearReferencePoint();
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return cancelled;
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}
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int PL_SELECTION_TOOL::AddItemToSel( const TOOL_EVENT& aEvent )
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{
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AddItemToSel( aEvent.Parameter<EDA_ITEM*>() );
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return 0;
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}
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void PL_SELECTION_TOOL::AddItemToSel( EDA_ITEM* aItem, bool aQuietMode )
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{
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if( aItem )
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{
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select( aItem );
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// Inform other potentially interested tools
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if( !aQuietMode )
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m_toolMgr->ProcessEvent( EVENTS::SelectedEvent );
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}
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}
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int PL_SELECTION_TOOL::AddItemsToSel( const TOOL_EVENT& aEvent )
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{
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AddItemsToSel( aEvent.Parameter<EDA_ITEMS*>(), false );
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return 0;
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}
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void PL_SELECTION_TOOL::AddItemsToSel( EDA_ITEMS* aList, bool aQuietMode )
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{
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if( aList )
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{
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for( EDA_ITEM* item : *aList )
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select( item );
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// Inform other potentially interested tools
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if( !aQuietMode )
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m_toolMgr->ProcessEvent( EVENTS::SelectedEvent );
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}
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}
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int PL_SELECTION_TOOL::RemoveItemFromSel( const TOOL_EVENT& aEvent )
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{
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RemoveItemFromSel( aEvent.Parameter<EDA_ITEM*>() );
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return 0;
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}
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void PL_SELECTION_TOOL::RemoveItemFromSel( EDA_ITEM* aItem, bool aQuietMode )
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{
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if( aItem )
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{
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unselect( aItem );
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// Inform other potentially interested tools
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if( !aQuietMode )
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m_toolMgr->ProcessEvent( EVENTS::UnselectedEvent );
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}
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}
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int PL_SELECTION_TOOL::RemoveItemsFromSel( const TOOL_EVENT& aEvent )
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{
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RemoveItemsFromSel( aEvent.Parameter<EDA_ITEMS*>(), false );
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return 0;
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}
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void PL_SELECTION_TOOL::RemoveItemsFromSel( EDA_ITEMS* aList, bool aQuietMode )
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{
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if( aList )
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{
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for( EDA_ITEM* item : *aList )
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unselect( item );
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// Inform other potentially interested tools
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if( !aQuietMode )
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m_toolMgr->ProcessEvent( EVENTS::UnselectedEvent );
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}
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}
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void PL_SELECTION_TOOL::BrightenItem( EDA_ITEM* aItem )
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{
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highlight( aItem, BRIGHTENED );
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}
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void PL_SELECTION_TOOL::UnbrightenItem( EDA_ITEM* aItem )
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{
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unhighlight( aItem, BRIGHTENED );
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}
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int PL_SELECTION_TOOL::ClearSelection( const TOOL_EVENT& aEvent )
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{
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ClearSelection();
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return 0;
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}
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void PL_SELECTION_TOOL::RebuildSelection()
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{
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m_selection.Clear();
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for( DS_DATA_ITEM* dataItem : DS_DATA_MODEL::GetTheInstance().GetItems() )
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{
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for( DS_DRAW_ITEM_BASE* item : dataItem->GetDrawItems() )
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{
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if( item->IsSelected() )
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select( item );
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}
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}
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}
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int PL_SELECTION_TOOL::SelectionMenu( const TOOL_EVENT& aEvent )
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{
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COLLECTOR* collector = aEvent.Parameter<COLLECTOR*>();
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if( !doSelectionMenu( collector ) )
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collector->m_MenuCancelled = true;
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return 0;
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}
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bool PL_SELECTION_TOOL::doSelectionMenu( COLLECTOR* aCollector )
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{
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EDA_ITEM* current = nullptr;
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ACTION_MENU menu( true );
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// ID limit is `MAX_SELECT_ITEM_IDS+1` because the last item is "select all"
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// and the first item has ID of 1.
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int limit = std::min( MAX_SELECT_ITEM_IDS + 1, aCollector->GetCount() );
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for( int i = 0; i < limit; ++i )
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{
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wxString text;
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EDA_ITEM* item = ( *aCollector )[i];
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text = item->GetSelectMenuText( m_frame->GetUserUnits() );
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wxString menuText = wxString::Format( "&%d. %s\t%d", i + 1, text, i + 1 );
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menu.Add( menuText, i + 1, item->GetMenuImage() );
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}
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menu.AppendSeparator();
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menu.Add( _( "Select &All\tA" ), limit + 1, BITMAPS::INVALID_BITMAP );
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if( aCollector->m_MenuTitle.Length() )
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{
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menu.SetTitle( aCollector->m_MenuTitle );
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menu.SetIcon( BITMAPS::info );
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menu.DisplayTitle( true );
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}
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else
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{
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menu.DisplayTitle( false );
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}
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SetContextMenu( &menu, CMENU_NOW );
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bool selectAll = false;
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while( TOOL_EVENT* evt = Wait() )
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{
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if( evt->Action() == TA_CHOICE_MENU_UPDATE )
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{
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if( selectAll )
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{
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for( int i = 0; i < aCollector->GetCount(); ++i )
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unhighlight( ( *aCollector )[i], BRIGHTENED );
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}
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else if( current )
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{
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unhighlight( current, BRIGHTENED );
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}
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int id = *evt->GetCommandId();
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// User has pointed an item, so show it in a different way
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if( id > 0 && id <= limit )
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{
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current = ( *aCollector )[id - 1];
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highlight( current, BRIGHTENED );
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}
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else
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{
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current = nullptr;
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}
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if( id == limit + 1 )
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{
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for( int i = 0; i < aCollector->GetCount(); ++i )
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highlight( ( *aCollector )[i], BRIGHTENED );
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selectAll = true;
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}
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else
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{
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selectAll = false;
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}
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}
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else if( evt->Action() == TA_CHOICE_MENU_CHOICE )
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{
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if( selectAll )
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{
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for( int i = 0; i < aCollector->GetCount(); ++i )
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unhighlight( ( *aCollector )[i], BRIGHTENED );
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}
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else if( current )
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{
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unhighlight( current, BRIGHTENED );
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}
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OPT<int> id = evt->GetCommandId();
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// User has selected an item, so this one will be returned
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if( id == limit + 1 )
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{
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selectAll = true;
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current = nullptr;
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}
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else if( id && ( *id > 0 ) && ( *id <= limit ) )
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{
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selectAll = false;
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current = ( *aCollector )[*id - 1];
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}
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else
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{
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selectAll = false;
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current = nullptr;
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}
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}
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else if( evt->Action() == TA_CHOICE_MENU_CLOSED )
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{
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break;
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}
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getView()->UpdateItems();
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m_frame->GetCanvas()->Refresh();
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}
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if( selectAll )
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{
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return true;
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}
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else if( current )
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{
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unhighlight( current, BRIGHTENED );
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getView()->UpdateItems();
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m_frame->GetCanvas()->Refresh();
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aCollector->Empty();
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aCollector->Append( current );
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return true;
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}
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return false;
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}
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void PL_SELECTION_TOOL::ClearSelection()
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{
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if( m_selection.Empty() )
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return;
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while( m_selection.GetSize() )
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unhighlight( (EDA_ITEM*) m_selection.Front(), SELECTED, &m_selection );
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getView()->Update( &m_selection );
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m_selection.SetIsHover( false );
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m_selection.ClearReferencePoint();
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// Inform other potentially interested tools
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m_toolMgr->ProcessEvent( EVENTS::ClearedEvent );
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}
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void PL_SELECTION_TOOL::select( EDA_ITEM* aItem )
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{
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highlight( aItem, SELECTED, &m_selection );
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}
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void PL_SELECTION_TOOL::unselect( EDA_ITEM* aItem )
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{
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unhighlight( aItem, SELECTED, &m_selection );
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}
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void PL_SELECTION_TOOL::highlight( EDA_ITEM* aItem, int aMode, PL_SELECTION* aGroup )
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{
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if( aMode == SELECTED )
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aItem->SetSelected();
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else if( aMode == BRIGHTENED )
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aItem->SetBrightened();
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if( aGroup )
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aGroup->Add( aItem );
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getView()->Update( aItem );
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}
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void PL_SELECTION_TOOL::unhighlight( EDA_ITEM* aItem, int aMode, PL_SELECTION* aGroup )
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{
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if( aMode == SELECTED )
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aItem->ClearSelected();
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else if( aMode == BRIGHTENED )
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aItem->ClearBrightened();
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if( aGroup )
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aGroup->Remove( aItem );
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getView()->Update( aItem );
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}
|
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|
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bool PL_SELECTION_TOOL::selectionContains( const VECTOR2I& aPoint ) const
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|
{
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const unsigned GRIP_MARGIN = 20;
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VECTOR2I margin = getView()->ToWorld( VECTOR2I( GRIP_MARGIN, GRIP_MARGIN ), false );
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// Check if the point is located within any of the currently selected items bounding boxes
|
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for( auto item : m_selection )
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|
{
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BOX2I itemBox = item->ViewBBox();
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itemBox.Inflate( margin.x, margin.y ); // Give some margin for gripping an item
|
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|
if( itemBox.Contains( aPoint ) )
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return true;
|
|
}
|
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|
return false;
|
|
}
|
|
|
|
|
|
void PL_SELECTION_TOOL::setTransitions()
|
|
{
|
|
Go( &PL_SELECTION_TOOL::UpdateMenu, ACTIONS::updateMenu.MakeEvent() );
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Go( &PL_SELECTION_TOOL::Main, PL_ACTIONS::selectionActivate.MakeEvent() );
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Go( &PL_SELECTION_TOOL::ClearSelection, PL_ACTIONS::clearSelection.MakeEvent() );
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Go( &PL_SELECTION_TOOL::AddItemToSel, PL_ACTIONS::addItemToSel.MakeEvent() );
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Go( &PL_SELECTION_TOOL::AddItemsToSel, PL_ACTIONS::addItemsToSel.MakeEvent() );
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Go( &PL_SELECTION_TOOL::RemoveItemFromSel, PL_ACTIONS::removeItemFromSel.MakeEvent() );
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Go( &PL_SELECTION_TOOL::RemoveItemsFromSel, PL_ACTIONS::removeItemsFromSel.MakeEvent() );
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Go( &PL_SELECTION_TOOL::SelectionMenu, PL_ACTIONS::selectionMenu.MakeEvent() );
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|
Go( &PL_SELECTION_TOOL::disambiguateCursor, EVENTS::DisambiguatePoint );
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|
}
|