Mercurial > hg > orthanc-stone

annotate Applications/Samples/SimpleViewer/MainWidgetInteractor.cpp @ 457:3b4df9925db6 am-touch-events

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added support for 'touch' in mouse trackers. This is still a bit hacky and we need to refactor it to make it clean. Thanks to that, Pan and zoom are available together with 2 touches
author Alain Mazy <alain@mazy.be>
date Thu, 24 Jan 2019 16:42:27 +0100
parents b70e9be013e4
children b1377625e4ba
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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 "MainWidgetInteractor.h"
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22
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23 #include "SimpleViewerApplication.h"
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24
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25 namespace SimpleViewer {
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26
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27 IWorldSceneMouseTracker* MainWidgetInteractor::CreateMouseTracker(WorldSceneWidget& widget,
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28 const ViewportGeometry& view,
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29 MouseButton button,
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30 KeyboardModifiers modifiers,
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31 int viewportX,
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32 int viewportY,
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33 double x,
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34 double y,
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35 IStatusBar* statusBar,
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36 const std::vector<Touch>& displayTouches)
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37 {
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38 if (button == MouseButton_Left)
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39 {
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40 if (application_.GetCurrentTool() == SimpleViewerApplication::Tools_LineMeasure)
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41 {
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42 return new LineMeasureTracker(statusBar, dynamic_cast<SliceViewerWidget&>(widget).GetSlice(),
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43 x, y, 255, 0, 0, application_.GetFont());
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44 }
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45 else if (application_.GetCurrentTool() == SimpleViewerApplication::Tools_CircleMeasure)
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46 {
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47 return new CircleMeasureTracker(statusBar, dynamic_cast<SliceViewerWidget&>(widget).GetSlice(),
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48 x, y, 255, 0, 0, application_.GetFont());
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49 }
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50 else if (application_.GetCurrentTool() == SimpleViewerApplication::Tools_Crop)
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51 {
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52 // TODO
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53 }
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54 else if (application_.GetCurrentTool() == SimpleViewerApplication::Tools_Windowing)
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55 {
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56 // TODO
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57 }
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58 else if (application_.GetCurrentTool() == SimpleViewerApplication::Tools_Zoom)
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59 {
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60 // TODO
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61 }
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62 else if (application_.GetCurrentTool() == SimpleViewerApplication::Tools_Pan)
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63 {
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64 // TODO
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65 }
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66
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67 }
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68 return NULL;
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69 }
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70
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71 void MainWidgetInteractor::MouseOver(CairoContext& context,
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72 WorldSceneWidget& widget,
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73 const ViewportGeometry& view,
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74 double x,
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75 double y,
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76 IStatusBar* statusBar)
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77 {
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78 if (statusBar != NULL)
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79 {
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80 Vector p = dynamic_cast<SliceViewerWidget&>(widget).GetSlice().MapSliceToWorldCoordinates(x, y);
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81
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82 char buf[64];
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83 sprintf(buf, "X = %.02f Y = %.02f Z = %.02f (in cm)",
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84 p[0] / 10.0, p[1] / 10.0, p[2] / 10.0);
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85 statusBar->SetMessage(buf);
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86 }
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87 }
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88
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89 void MainWidgetInteractor::MouseWheel(WorldSceneWidget& widget,
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90 MouseWheelDirection direction,
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91 KeyboardModifiers modifiers,
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92 IStatusBar* statusBar)
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93 {
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94 }
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95
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96 void MainWidgetInteractor::KeyPressed(WorldSceneWidget& widget,
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97 KeyboardKeys key,
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98 char keyChar,
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99 KeyboardModifiers modifiers,
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100 IStatusBar* statusBar)
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101 {
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102 switch (keyChar)
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103 {
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104 case 's':
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105 widget.FitContent();
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106 break;
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107
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108 default:
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109 break;
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110 }
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111 }
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112 }