145 lines
4.6 KiB
C++
145 lines
4.6 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) 2012 Torsten Hueter, torstenhtr <at> gmx.de
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* Copyright (C) 2013 CERN
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* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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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 <wx/wx.h>
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#include <wx/window.h>
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#include <view/view.h>
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#include <view/wx_view_controls.h>
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using namespace KiGfx;
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WX_VIEW_CONTROLS::WX_VIEW_CONTROLS( VIEW* aView, wxWindow* aParentPanel ) :
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VIEW_CONTROLS( aView ),
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m_autoPanMargin( 0.1 ),
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m_autoPanSpeed( 0.15 ),
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m_autoPanCornerRatio( 0.1 ),
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m_parentPanel( aParentPanel )
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{
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m_parentPanel->Connect( wxEVT_MOTION, wxMouseEventHandler(
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WX_VIEW_CONTROLS::onMotion ), NULL, this );
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m_parentPanel->Connect( wxEVT_MOUSEWHEEL, wxMouseEventHandler(
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WX_VIEW_CONTROLS::onWheel ), NULL, this );
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m_parentPanel->Connect( wxEVT_MIDDLE_UP, wxMouseEventHandler(
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WX_VIEW_CONTROLS::onButton ), NULL, this );
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m_parentPanel->Connect( wxEVT_MIDDLE_DOWN, wxMouseEventHandler(
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WX_VIEW_CONTROLS::onButton ), NULL, this );
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#if defined _WIN32 || defined _WIN64
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m_parentPanel->Connect( wxEVT_ENTER_WINDOW, wxMouseEventHandler(
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WX_VIEW_CONTROLS::onEnter ), NULL, this );
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#endif
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}
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void WX_VIEW_CONTROLS::onMotion( wxMouseEvent& event )
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{
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if( event.Dragging() && m_isDragPanning )
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{
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VECTOR2D mousePoint( event.GetX(), event.GetY() );
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VECTOR2D d = m_dragStartPoint - mousePoint;
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VECTOR2D delta = m_view->ToWorld( d, false );
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m_view->SetCenter( m_lookStartPoint + delta );
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m_parentPanel->Refresh();
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}
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event.Skip();
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}
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void WX_VIEW_CONTROLS::onWheel( wxMouseEvent& event )
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{
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const double wheelPanSpeed = 0.001;
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if( event.ControlDown() || event.ShiftDown() )
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{
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// Scrolling
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VECTOR2D scrollVec = m_view->ToWorld( m_view->GetScreenPixelSize() *
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( (double) event.GetWheelRotation() * wheelPanSpeed ), false );
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double scrollSpeed;
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if( abs( scrollVec.x ) > abs( scrollVec.y ) )
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scrollSpeed = scrollVec.x;
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else
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scrollSpeed = scrollVec.y;
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VECTOR2D t = m_view->GetScreenPixelSize();
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VECTOR2D delta( event.ControlDown() ? -scrollSpeed : 0.0,
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event.ShiftDown() ? -scrollSpeed : 0.0 );
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m_view->SetCenter( m_view->GetCenter() + delta );
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m_parentPanel->Refresh();
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}
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else
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{
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// Zooming
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wxLongLong timeStamp = wxGetLocalTimeMillis();
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double timeDiff = timeStamp.ToDouble() - m_timeStamp.ToDouble();
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m_timeStamp = timeStamp;
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double zoomScale;
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// Set scaling speed depending on scroll wheel event interval
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if( timeDiff < 500 && timeDiff > 0 )
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{
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zoomScale = ( event.GetWheelRotation() > 0.0 ) ? 2.05 - timeDiff / 500 :
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1.0 / ( 2.05 - timeDiff / 500 );
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}
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else
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{
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zoomScale = ( event.GetWheelRotation() > 0.0 ) ? 1.05 : 0.95;
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}
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VECTOR2D anchor = m_view->ToWorld( VECTOR2D( event.GetX(), event.GetY() ) );
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m_view->SetScale( m_view->GetScale() * zoomScale, anchor );
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m_parentPanel->Refresh();
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}
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event.Skip();
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}
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void WX_VIEW_CONTROLS::onButton( wxMouseEvent& event )
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{
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if( event.MiddleDown() )
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{
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m_isDragPanning = true;
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m_dragStartPoint = VECTOR2D( event.GetX(), event.GetY() );
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m_lookStartPoint = m_view->GetCenter();
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}
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else if( event.MiddleUp() )
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{
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m_isDragPanning = false;
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}
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event.Skip();
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}
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void WX_VIEW_CONTROLS::onEnter( wxMouseEvent& event )
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{
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m_parentPanel->SetFocus();
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}
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