Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/ViewportController.cpp @ 1208:00e6bff9ea39 broker

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handling of mouse interactions in ViewportController
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 03 Dec 2019 18:51:03 +0100
parents f3bb9a6dd949
children 644baa70373d
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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 "ViewportController.h"
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22
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23 #include "UndoStack.h"
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24 #include "MeasureCommands.h"
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25
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26 #include "../StoneException.h"
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27 #include "../Scene2D/PanSceneTracker.h"
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28 #include "../Scene2D/RotateSceneTracker.h"
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29 #include "../Scene2D/ZoomSceneTracker.h"
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30
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31 #include <boost/make_shared.hpp>
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32
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33 namespace OrthancStone
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34 {
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35 IFlexiblePointerTracker* DefaultViewportInteractor::CreateTracker(boost::shared_ptr<ViewportController> controller,
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36 const PointerEvent& event)
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37 {
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38 switch (event.GetMouseButton())
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39 {
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40 case MouseButton_Left:
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41 return new RotateSceneTracker(controller, event);
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42
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43 case MouseButton_Middle:
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44 return new PanSceneTracker(controller, event);
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45
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46 case MouseButton_Right:
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47 {
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48 std::auto_ptr<IViewport::ILock> lock(controller->GetViewport().Lock());
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49 if (lock->HasCompositor())
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50 {
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51 return new ZoomSceneTracker(controller, event, lock->GetCompositor().GetCanvasWidth());
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52 }
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53 else
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54 {
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55 return NULL;
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56 }
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57 }
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58
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59 default:
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60 return NULL;
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61 }
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62 }
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63
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64
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65 ViewportController::ViewportController(boost::weak_ptr<UndoStack> undoStackW,
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66 boost::shared_ptr<IViewport> viewport)
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67 : undoStackW_(undoStackW)
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68 , viewport_(viewport)
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69 , canvasToSceneFactor_(1)
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70 {
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71 if (viewport.get() == NULL)
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72 {
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73 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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74 }
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75
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76 interactor_.reset(new DefaultViewportInteractor);
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77 }
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78
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79 ViewportController::~ViewportController()
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80 {
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81 }
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82
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83 void ViewportController::SetInteractor(boost::shared_ptr<IViewportInteractor> interactor)
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84 {
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85 activeTracker_.reset();
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86 interactor_ = interactor;
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87 }
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88
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89 void ViewportController::PushCommand(boost::shared_ptr<MeasureCommand> command)
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91 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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92 if (undoStack.get() != NULL)
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94 undoStack->PushCommand(command);
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95 }
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96 else
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97 {
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98 LOG(ERROR) << "Internal error: no undo stack in the viewport controller!";
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99 }
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100 }
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101
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102 void ViewportController::Undo()
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103 {
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104 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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105 if (undoStack.get() != NULL)
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107 undoStack->Undo();
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108 }
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109 else
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110 {
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111 LOG(ERROR) << "Internal error: no undo stack in the viewport controller!";
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112 }
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113 }
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114
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115 void ViewportController::Redo()
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116 {
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117 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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118 if (undoStack.get() != NULL)
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119 {
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120 undoStack->Redo();
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121 }
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122 else
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123 {
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124 LOG(ERROR) << "Internal error: no undo stack in the viewport controller!";
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125 }
858
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126 }
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127
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128 bool ViewportController::CanUndo() const
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129 {
906
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130 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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131 if (undoStack.get() != NULL)
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132 {
906
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133 return undoStack->CanUndo();
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134 }
906
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Benjamin Golinvaux <bgo@osimis.io>
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135 else
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136 {
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137 LOG(ERROR) << "Internal error: no undo stack in the viewport controller!";
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138 return false;
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139 }
858
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140 }
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141
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142 bool ViewportController::CanRedo() const
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143 {
906
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144 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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145 if (undoStack.get() != NULL)
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146 {
906
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147 return undoStack->CanRedo();
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148 }
906
52b1c6ff10c5 Disabled OpenGL in GuiAdapter to allow for Cairo-only workflows (THIS IS A TEMP CHANGE!!!) + disabled outlined text by default (build macro)
Benjamin Golinvaux <bgo@osimis.io>
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149 else
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150 {
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151 LOG(ERROR) << "Internal error: no undo stack in the viewport controller!";
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152 return false;
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153 }
858
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154 }
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155
842
2b245953b44b removed some c++11 for older compilers
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156 std::vector<boost::shared_ptr<MeasureTool> > ViewportController::HitTestMeasureTools(
721
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157 ScenePoint2D p)
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158 {
842
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159 std::vector<boost::shared_ptr<MeasureTool> > ret;
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160
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161 for (size_t i = 0; i < measureTools_.size(); ++i)
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162 {
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163 if (measureTools_[i]->HitTest(p))
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164 ret.push_back(measureTools_[i]);
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165 }
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166 return ret;
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167 }
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168
865
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169
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diff changeset
170 void ViewportController::ResetMeasuringToolsHighlight()
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diff changeset
171 {
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diff changeset
172 for (size_t i = 0; i < measureTools_.size(); ++i)
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173 {
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diff changeset
174 measureTools_[i]->ResetHighlightState();
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175 }
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diff changeset
176 }
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177
1203
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178 OrthancStone::AffineTransform2D ViewportController::GetCanvasToSceneTransform() const
700
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diff changeset
179 {
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diff changeset
180 std::auto_ptr<IViewport::ILock> lock(viewport_->Lock());
1203
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181 return lock->GetScene().GetCanvasToSceneTransform();
700
059e1fd05fd6 Introduced the ViewportController that sits between the application and the
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diff changeset
182 }
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diff changeset
183
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diff changeset
184 OrthancStone::AffineTransform2D ViewportController::GetSceneToCanvasTransform() const
700
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185 {
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diff changeset
186 std::auto_ptr<IViewport::ILock> lock(viewport_->Lock());
1203
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diff changeset
187 return lock->GetScene().GetSceneToCanvasTransform();
700
059e1fd05fd6 Introduced the ViewportController that sits between the application and the
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diff changeset
188 }
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diff changeset
189
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diff changeset
190 void ViewportController::SetSceneToCanvasTransform(const AffineTransform2D& transform)
700
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diff changeset
191 {
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diff changeset
192 {
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diff changeset
193 std::auto_ptr<IViewport::ILock> lock(viewport_->Lock());
1203
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diff changeset
194 lock->GetScene().SetSceneToCanvasTransform(transform);
1208
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diff changeset
195 canvasToSceneFactor_ = lock->GetScene().GetCanvasToSceneTransform().ComputeZoom();
1203
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diff changeset
196 }
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diff changeset
197
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diff changeset
198 BroadcastMessage(SceneTransformChanged(*this));
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diff changeset
199 }
af0aa0c149fa FitContent is now wrapped by the controller (for observability)
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parents: 700
diff changeset
200
916
a911f5bb48da MultiPlatform Basic Scene sample (so far: SDL + Qt)
Alain Mazy <alain@mazy.be>
parents: 906
diff changeset
201 void ViewportController::FitContent()
a911f5bb48da MultiPlatform Basic Scene sample (so far: SDL + Qt)
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parents: 906
diff changeset
202 {
1208
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parents: 1203
diff changeset
203 {
00e6bff9ea39 handling of mouse interactions in ViewportController
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parents: 1203
diff changeset
204 std::auto_ptr<IViewport::ILock> lock(viewport_->Lock());
00e6bff9ea39 handling of mouse interactions in ViewportController
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diff changeset
205 lock->FitContent();
00e6bff9ea39 handling of mouse interactions in ViewportController
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parents: 1203
diff changeset
206 canvasToSceneFactor_ = lock->GetScene().GetCanvasToSceneTransform().ComputeZoom();
00e6bff9ea39 handling of mouse interactions in ViewportController
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diff changeset
207 }
1203
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diff changeset
208
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1203
diff changeset
209 BroadcastMessage(SceneTransformChanged(*this));
916
a911f5bb48da MultiPlatform Basic Scene sample (so far: SDL + Qt)
Alain Mazy <alain@mazy.be>
parents: 906
diff changeset
210 }
a911f5bb48da MultiPlatform Basic Scene sample (so far: SDL + Qt)
Alain Mazy <alain@mazy.be>
parents: 906
diff changeset
211
818
e42b491f1fb2 Removed typedefs to shared_ptr by making them explicit. Removed using namespace
Benjamin Golinvaux <bgo@osimis.io>
parents: 774
diff changeset
212 void ViewportController::AddMeasureTool(boost::shared_ptr<MeasureTool> measureTool)
722
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
213 {
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
214 ORTHANC_ASSERT(std::find(measureTools_.begin(), measureTools_.end(), measureTool)
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
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parents: 721
diff changeset
215 == measureTools_.end(), "Duplicate measure tool");
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
216 measureTools_.push_back(measureTool);
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
217 }
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
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parents: 721
diff changeset
218
818
e42b491f1fb2 Removed typedefs to shared_ptr by making them explicit. Removed using namespace
Benjamin Golinvaux <bgo@osimis.io>
parents: 774
diff changeset
219 void ViewportController::RemoveMeasureTool(boost::shared_ptr<MeasureTool> measureTool)
722
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
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parents: 721
diff changeset
220 {
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
221 ORTHANC_ASSERT(std::find(measureTools_.begin(), measureTools_.end(), measureTool)
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
222 != measureTools_.end(), "Measure tool not found");
761
07adcffba38c truncation warning fixes + CRLF -> LF + random measuring tool creation (keyb
Benjamin Golinvaux <bgo@osimis.io>
parents: 754
diff changeset
223 measureTools_.erase(
07adcffba38c truncation warning fixes + CRLF -> LF + random measuring tool creation (keyb
Benjamin Golinvaux <bgo@osimis.io>
parents: 754
diff changeset
224 std::remove(measureTools_.begin(), measureTools_.end(), measureTool),
07adcffba38c truncation warning fixes + CRLF -> LF + random measuring tool creation (keyb
Benjamin Golinvaux <bgo@osimis.io>
parents: 754
diff changeset
225 measureTools_.end());
722
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diff changeset
226 }
774
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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parents: 761
diff changeset
227
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
228 double ViewportController::GetCanvasToSceneFactor() const
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diff changeset
229 {
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
230 return canvasToSceneFactor_;
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
231 }
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
232
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
233 double ViewportController::GetHandleSideLengthS() const
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
234 {
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
235 return HANDLE_SIDE_LENGTH_CANVAS_COORD * GetCanvasToSceneFactor();
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
236 }
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
237
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
238 double ViewportController::GetAngleToolArcRadiusS() const
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
239 {
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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parents: 761
diff changeset
240 return ARC_RADIUS_CANVAS_COORD * GetCanvasToSceneFactor();
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
241 }
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
242
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
243 double ViewportController::GetHitTestMaximumDistanceS() const
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
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244 {
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245 return HIT_TEST_MAX_DISTANCE_CANVAS_COORD * GetCanvasToSceneFactor();
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246 }
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247
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248 double ViewportController::GetAngleTopTextLabelDistanceS() const
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249 {
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250 return TEXT_CENTER_DISTANCE_CANVAS_COORD * GetCanvasToSceneFactor();
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251 }
1208
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252
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253
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254 void ViewportController::HandleMousePress(const PointerEvent& event)
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255 {
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256 if (activeTracker_)
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257 {
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258 // We are dealing with a multi-stage tracker (that is made of several interactions)
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259 activeTracker_->PointerDown(event);
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260
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261 if (!activeTracker_->IsAlive())
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262 {
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263 activeTracker_.reset();
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264 }
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265 }
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266 else
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267 {
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268 // Check whether there is already a measure tool at that position
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269 for (size_t i = 0; i < measureTools_.size(); ++i)
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270 {
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271 if (measureTools_[i]->HitTest(event.GetMainPosition()))
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272 {
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273 activeTracker_ = measureTools_[i]->CreateEditionTracker(event);
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274 return;
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275 }
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276 }
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277
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278 // No measure tool, create new tracker from the interactor
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279 if (interactor_)
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280 {
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281 activeTracker_.reset(interactor_->CreateTracker(shared_from_this(), event));
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282 }
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283 else
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284 {
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285 activeTracker_.reset();
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286 }
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287 }
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288 }
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289
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290 void ViewportController::HandleMouseMove(const PointerEvent& event)
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291 {
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292 if (activeTracker_)
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293 {
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294 activeTracker_->PointerMove(event);
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295 }
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296 }
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297
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298 void ViewportController::HandleMouseRelease(const PointerEvent& event)
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299 {
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300 if (activeTracker_)
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301 {
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302 activeTracker_->PointerUp(event);
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303
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304 if (!activeTracker_->IsAlive())
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305 {
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306 activeTracker_.reset();
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307 }
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308 }
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309 }
698
8b6adfb62a2f Code is broken -- stashing ongoing work in a branch
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parents:
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310 }