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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21 #include "IFlexiblePointerTracker.h"
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22 #include <Framework/Scene2D/IPointerTracker.h>
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23
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24
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25 namespace OrthancStone
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26 {
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27 namespace
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28 {
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29 class SimpleTrackerAdapter : public IFlexiblePointerTracker
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30 {
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31 public:
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32 SimpleTrackerAdapter(PointerTrackerPtr wrappedTracker)
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33 : wrappedTracker_(wrappedTracker)
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34 , active_(true)
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35 {
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36 }
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37
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38 virtual void PointerMove(const PointerEvent& event) ORTHANC_OVERRIDE
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39 {
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40 if(active_)
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41 wrappedTracker_->Update(event);
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42 };
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43 virtual void PointerUp(const PointerEvent& event) ORTHANC_OVERRIDE
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44 {
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45 if (wrappedTracker_)
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46 {
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47 wrappedTracker_->Release();
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48 wrappedTracker_ = NULL;
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49 }
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50 active_ = false;
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51 }
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52 virtual void PointerDown(const PointerEvent& event) ORTHANC_OVERRIDE
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53 {
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54 // nothing to do atm
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55 }
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56 virtual bool IsActive() const ORTHANC_OVERRIDE
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57 {
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58 return active_;
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59 }
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60
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61 virtual void Cancel() ORTHANC_OVERRIDE
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62 {
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63 wrappedTracker_ = NULL;
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64 active_ = false;
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65 }
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66
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67 private:
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68 PointerTrackerPtr wrappedTracker_;
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69 bool active_;
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70 };
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71 }
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72
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73 FlexiblePointerTrackerPtr CreateSimpleTrackerAdapter(PointerTrackerPtr t)
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74 {
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75 return FlexiblePointerTrackerPtr(new SimpleTrackerAdapter(t));
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76 }
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77 }
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