707 lines
19 KiB
C++
707 lines
19 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) 2019 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 <pl_editor_frame.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 <tools/pl_actions.h>
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#include <ws_data_model.h>
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#include <ws_draw_item.h>
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#include <collector.h>
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#include "pl_selection_tool.h"
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#include <math/util.h> // for KiROUND
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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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SELECTION_CONDITION PL_CONDITIONS::Idle = [] (const SELECTION& aSelection )
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{
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return ( !aSelection.Front() || aSelection.Front()->GetEditFlags() == 0 );
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};
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#define HITTEST_THRESHOLD_PIXELS 5
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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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m_additive( false ),
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m_subtractive( false ),
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m_exclusive_or( false ),
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m_multiple( false ),
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m_skip_heuristics( false )
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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, PL_CONDITIONS::Idle, 250 );
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menu.AddItem( PL_ACTIONS::drawRectangle, PL_CONDITIONS::Idle, 250 );
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menu.AddItem( PL_ACTIONS::placeText, PL_CONDITIONS::Idle, 250 );
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menu.AddItem( PL_ACTIONS::placeImage, PL_CONDITIONS::Idle, 250 );
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menu.AddItem( PL_ACTIONS::appendImportedWorksheet, PL_CONDITIONS::Idle, 250 );
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menu.AddSeparator( 1000 );
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m_frame->AddStandardSubMenus( m_menu );
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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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if( m_frame->ToolStackIsEmpty() )
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m_frame->GetCanvas()->SetCurrentCursor( wxCURSOR_ARROW );
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m_additive = m_subtractive = m_exclusive_or = false;
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if( evt->Modifier( MD_SHIFT ) && evt->Modifier( MD_CTRL ) )
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m_subtractive = true;
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else if( evt->Modifier( MD_SHIFT ) )
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m_additive = true;
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else if( evt->Modifier( MD_CTRL ) )
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m_exclusive_or = true;
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// Is the user requesting that the selection list include all possible
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// items without removing less likely selection candidates
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m_skip_heuristics = !!evt->Modifier( MD_ALT );
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// Single click? Select single object
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if( evt->IsClick( BUT_LEFT ) )
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{
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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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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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if( m_additive || m_subtractive || m_exclusive_or || 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->InvokeTool( "plEditor.InteractiveEdit" );
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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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else if( evt->IsCancelInteractive() )
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{
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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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}
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// This tool is supposed to be active forever
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assert( false );
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return 0;
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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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EDA_ITEM* 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( WS_DATA_ITEM* dataItem : WS_DATA_MODEL::GetTheInstance().GetItems() )
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{
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for( WS_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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collector.m_MenuTitle = _( "Clarify Selection" );
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// Must call selectionMenu via RunAction() to avoid event-loop contention
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m_toolMgr->RunAction( PL_ACTIONS::selectionMenu, true, &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 nullptr;
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}
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}
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if( !m_additive && !m_subtractive && !m_exclusive_or )
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ClearSelection();
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if( collector.GetCount() == 1 )
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{
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EDA_ITEM* item = collector[ 0 ];
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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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m_toolMgr->ProcessEvent( EVENTS::UnselectedEvent );
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return nullptr;
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}
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else
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{
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select( item );
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m_toolMgr->ProcessEvent( EVENTS::SelectedEvent );
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return item;
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}
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}
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return nullptr;
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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.Remove( 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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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_additive && !m_subtractive && !m_exclusive_or )
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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_additive );
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area.SetSubtractive( m_subtractive );
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area.SetExclusiveOr( m_exclusive_or );
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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 width = area.GetEnd().x - area.GetOrigin().x;
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int height = area.GetEnd().y - area.GetOrigin().y;
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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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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( WS_DATA_ITEM* dataItem : WS_DATA_MODEL::GetTheInstance().GetItems() )
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{
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for( WS_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( WS_DATA_ITEM* dataItem : WS_DATA_MODEL::GetTheInstance().GetItems() )
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{
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for( WS_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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int limit = std::min( MAX_SELECT_ITEM_IDS, 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", i + 1, text );
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menu.Add( menuText, i + 1, item->GetMenuImage() );
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}
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if( aCollector->m_MenuTitle.Length() )
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menu.SetTitle( aCollector->m_MenuTitle );
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menu.SetIcon( info_xpm );
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menu.DisplayTitle( true );
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SetContextMenu( &menu, CMENU_NOW );
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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( current )
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unhighlight( current, BRIGHTENED );
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int id = *evt->GetCommandId();
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|
|
// User has pointed an item, so show it in a different way
|
|
if( id > 0 && id <= limit )
|
|
{
|
|
current = ( *aCollector )[id - 1];
|
|
highlight( current, BRIGHTENED );
|
|
}
|
|
else
|
|
{
|
|
current = NULL;
|
|
}
|
|
}
|
|
else if( evt->Action() == TA_CHOICE_MENU_CHOICE )
|
|
{
|
|
if( current )
|
|
unhighlight( current, BRIGHTENED );
|
|
|
|
OPT<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;
|
|
}
|
|
|
|
getView()->UpdateItems();
|
|
m_frame->GetCanvas()->Refresh();
|
|
}
|
|
|
|
if( current )
|
|
{
|
|
unhighlight( current, BRIGHTENED );
|
|
|
|
getView()->UpdateItems();
|
|
m_frame->GetCanvas()->Refresh();
|
|
|
|
aCollector->Empty();
|
|
aCollector->Append( current );
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
void PL_SELECTION_TOOL::ClearSelection()
|
|
{
|
|
if( m_selection.Empty() )
|
|
return;
|
|
|
|
while( m_selection.GetSize() )
|
|
unhighlight( (EDA_ITEM*) m_selection.Front(), SELECTED, &m_selection );
|
|
|
|
getView()->Update( &m_selection );
|
|
|
|
m_selection.SetIsHover( false );
|
|
m_selection.ClearReferencePoint();
|
|
|
|
// Inform other potentially interested tools
|
|
m_toolMgr->ProcessEvent( EVENTS::ClearedEvent );
|
|
}
|
|
|
|
|
|
void PL_SELECTION_TOOL::select( EDA_ITEM* aItem )
|
|
{
|
|
highlight( aItem, SELECTED, &m_selection );
|
|
}
|
|
|
|
|
|
void PL_SELECTION_TOOL::unselect( EDA_ITEM* aItem )
|
|
{
|
|
unhighlight( aItem, SELECTED, &m_selection );
|
|
}
|
|
|
|
|
|
void PL_SELECTION_TOOL::highlight( EDA_ITEM* aItem, int aMode, PL_SELECTION* aGroup )
|
|
{
|
|
if( aMode == SELECTED )
|
|
aItem->SetSelected();
|
|
else if( aMode == BRIGHTENED )
|
|
aItem->SetBrightened();
|
|
|
|
if( aGroup )
|
|
aGroup->Add( aItem );
|
|
|
|
getView()->Update( aItem );
|
|
}
|
|
|
|
|
|
void PL_SELECTION_TOOL::unhighlight( EDA_ITEM* aItem, int aMode, PL_SELECTION* aGroup )
|
|
{
|
|
if( aMode == SELECTED )
|
|
aItem->ClearSelected();
|
|
else if( aMode == BRIGHTENED )
|
|
aItem->ClearBrightened();
|
|
|
|
if( aGroup )
|
|
aGroup->Remove( aItem );
|
|
|
|
getView()->Update( aItem );
|
|
}
|
|
|
|
|
|
bool PL_SELECTION_TOOL::selectionContains( const VECTOR2I& aPoint ) const
|
|
{
|
|
const unsigned GRIP_MARGIN = 20;
|
|
VECTOR2I margin = getView()->ToWorld( VECTOR2I( GRIP_MARGIN, GRIP_MARGIN ), false );
|
|
|
|
// Check if the point is located within any of the currently selected items bounding boxes
|
|
for( auto item : m_selection )
|
|
{
|
|
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;
|
|
}
|
|
|
|
|
|
void PL_SELECTION_TOOL::setTransitions()
|
|
{
|
|
Go( &PL_SELECTION_TOOL::UpdateMenu, ACTIONS::updateMenu.MakeEvent() );
|
|
|
|
Go( &PL_SELECTION_TOOL::Main, PL_ACTIONS::selectionActivate.MakeEvent() );
|
|
Go( &PL_SELECTION_TOOL::ClearSelection, PL_ACTIONS::clearSelection.MakeEvent() );
|
|
|
|
Go( &PL_SELECTION_TOOL::AddItemToSel, PL_ACTIONS::addItemToSel.MakeEvent() );
|
|
Go( &PL_SELECTION_TOOL::AddItemsToSel, PL_ACTIONS::addItemsToSel.MakeEvent() );
|
|
Go( &PL_SELECTION_TOOL::RemoveItemFromSel, PL_ACTIONS::removeItemFromSel.MakeEvent() );
|
|
Go( &PL_SELECTION_TOOL::RemoveItemsFromSel, PL_ACTIONS::removeItemsFromSel.MakeEvent() );
|
|
Go( &PL_SELECTION_TOOL::SelectionMenu, PL_ACTIONS::selectionMenu.MakeEvent() );
|
|
}
|
|
|
|
|