mwheeltonumericpropertyeventlistener.cpp 2.37 KB
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// ================================================================================================
// 
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// This file is part of the CAMPVis Software Framework.
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// 
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// If not explicitly stated otherwise: Copyright (C) 2012-2014, all rights reserved,
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//      Christian Schulte zu Berge <christian.szb@in.tum.de>
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//      Chair for Computer Aided Medical Procedures
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//      Technische Universitaet Muenchen
//      Boltzmannstr. 3, 85748 Garching b. Muenchen, Germany
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// 
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// For a full list of authors and contributors, please refer to the file "AUTHORS.txt".
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// 
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// Licensed 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
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// 
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// Unless required by applicable law or agreed to in writing, software distributed under the 
// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
// either express or implied. See the License for the specific language governing permissions 
// and limitations under the License.
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// 
// ================================================================================================

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#include "mwheeltonumericpropertyeventlistener.h"
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#include "cgt/assert.h"
#include "cgt/event/mouseevent.h"
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#include "core/properties/numericproperty.h"
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namespace campvis {
    const std::string MWheelToNumericPropertyEventListener::loggerCat_ = "CAMPVis.core.eventhandler.MWheelToNumericPropertyEventListener";
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    MWheelToNumericPropertyEventListener::MWheelToNumericPropertyEventListener(INumericProperty* property)
        : tgt::EventListener()
        , _prop(property)
    {
        tgtAssert(_prop != 0, "Assigned property must not be 0.");
        setEventTypes(tgt::Event::WHEELEVENT);
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    }

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    MWheelToNumericPropertyEventListener::~MWheelToNumericPropertyEventListener() {
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    }
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    void MWheelToNumericPropertyEventListener::wheelEvent(tgt::MouseEvent* e) {
        switch (e->button()) {
            case tgt::MouseEvent::MOUSE_WHEEL_UP:
                _prop->increment();
                e->ignore();
                break;
            case tgt::MouseEvent::MOUSE_WHEEL_DOWN:
                _prop->decrement();
                e->ignore();
                break;
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            default:
                break;
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        }
    }

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}