133 lines
3.3 KiB
C++
133 lines
3.3 KiB
C++
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/*
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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) 2016 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 modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <wxPcbStruct.h>
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#include <class_draw_panel_gal.h>
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#include <view/view_controls.h>
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#include <tool/tool_manager.h>
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#include "zoom_tool.h"
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#include "selection_area.h"
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#include "common_actions.h"
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ZOOM_TOOL::ZOOM_TOOL() :
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TOOL_INTERACTIVE( "pcbnew.Control.zoomTool" )
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{
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m_frame = NULL;
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}
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ZOOM_TOOL::~ZOOM_TOOL() {}
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void ZOOM_TOOL::Reset( RESET_REASON aReason )
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{
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m_frame = getEditFrame<PCB_EDIT_FRAME>();
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}
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int ZOOM_TOOL::Main( const TOOL_EVENT& aEvent )
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{
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m_frame->SetToolID( ID_ZOOM_SELECTION, wxCURSOR_MAGNIFIER, _( "Zoom to selection" ) );
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while( auto evt = Wait() )
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{
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if( evt->IsCancel() || evt->IsActivate() )
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break;
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else if( evt->IsDrag( BUT_LEFT ) )
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{
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if( selectRegion() )
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break;
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}
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else
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m_toolMgr->PassEvent();
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}
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m_frame->SetToolID( ID_NO_TOOL_SELECTED, wxCURSOR_DEFAULT, wxEmptyString );
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return 0;
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}
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bool ZOOM_TOOL::selectRegion()
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{
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bool cancelled = false;
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auto view = getView();
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auto canvas = m_frame->GetGalCanvas();
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getViewControls()->SetAutoPan( true );
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SELECTION_AREA area;
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view->Add( &area );
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while( auto evt = Wait() )
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{
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if( evt->IsCancel() || 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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area.SetOrigin( evt->DragOrigin() );
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area.SetEnd( evt->Position() );
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area.ViewSetVisible( true );
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area.ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
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}
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if( evt->IsMouseUp( BUT_LEFT ) )
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{
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area.ViewSetVisible( false );
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auto selectionBox = area.ViewBBox();
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VECTOR2D screenSize = view->ToWorld( canvas->GetClientSize(), false );
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if( selectionBox.GetWidth() == 0 || selectionBox.GetHeight() == 0 )
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{
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break;
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}
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else
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{
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VECTOR2D vsize = selectionBox.GetSize();
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double scale = view->GetScale() / std::max( fabs( vsize.x / screenSize.x ),
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fabs( vsize.y / screenSize.y ) );
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view->SetScale( scale );
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view->SetCenter( selectionBox.Centre() );
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break;
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}
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}
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}
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area.ViewSetVisible( false );
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view->Remove( &area );
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getViewControls()->SetAutoPan( false );
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return cancelled;
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}
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void ZOOM_TOOL::SetTransitions()
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{
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Go( &ZOOM_TOOL::Main, COMMON_ACTIONS::zoomTool.MakeEvent() );
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}
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