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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <svx/sidebar/SidebarDialControl.hxx>
#include <vcl/builder.hxx>
#include <vcl/svapp.hxx>
#include <vcl/settings.hxx>
namespace svx { namespace sidebar {
SidebarDialControl::SidebarDialControl (vcl::Window* pParent, WinBits nBits)
: svx::DialControl(pParent, nBits)
{
Init(GetOutputSizePixel());
}
extern "C" SAL_DLLPUBLIC_EXPORT vcl::Window* SAL_CALL makeSidebarDialControl(vcl::Window *pParent, VclBuilder::stringmap &)
{
return new SidebarDialControl(pParent, WB_TABSTOP);
}
Size SidebarDialControl::GetOptimalSize() const
{
return LogicToPixel(Size(10, 10), MAP_APPFONT);
}
void SidebarDialControl::MouseButtonDown( const MouseEvent& rMEvt )
{
if( rMEvt.IsLeft() )
{
GrabFocus();
CaptureMouse();
mpImpl->mnOldAngle = mpImpl->mnAngle;
HandleMouseEvent( rMEvt.GetPosPixel(), true );
}
}
void SidebarDialControl::HandleMouseEvent( const Point& rPos, bool bInitial )
{
long nX = rPos.X() - mpImpl->mnCenterX;
long nY = mpImpl->mnCenterY - rPos.Y();
double fH = sqrt( static_cast< double >( nX ) * nX + static_cast< double >( nY ) * nY );
if( fH != 0.0 )
{
double fAngle = acos( nX / fH );
sal_Int32 nAngle = static_cast< sal_Int32 >( fAngle / F_PI180 * 100.0 );
if( nY < 0 )
nAngle = 36000 - nAngle;
if( bInitial ) // round to entire 15 degrees
nAngle = ((nAngle + 750) / 1500) * 1500;
if (AllSettings::GetLayoutRTL())
nAngle = 18000 - nAngle;
SetRotation( nAngle, true );
}
}
} } // end of namespace svx::sidebar
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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