Mercurial > hg > orthanc-stone

annotate Framework/Deprecated/Viewport/WidgetViewport.cpp @ 1060:e146743f6cdc broker

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removing file MessageBroker.h
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 11 Oct 2019 17:20:41 +0200
parents c35e98d22764
children 5d1b0d2f4b15
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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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21
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22 #include "WidgetViewport.h"
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23
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24 #include <Core/Images/ImageProcessing.h>
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25 #include <Core/OrthancException.h>
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26
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27 namespace Deprecated
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28 {
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29 WidgetViewport::WidgetViewport() :
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30 statusBar_(NULL),
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31 isMouseOver_(false),
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32 lastMouseX_(0),
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33 lastMouseY_(0),
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34 backgroundChanged_(false)
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35 {
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36 }
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38
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39 void WidgetViewport::FitContent()
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40 {
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41 if (centralWidget_.get() != NULL)
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42 {
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43 centralWidget_->FitContent();
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44 }
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45 }
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47
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48 void WidgetViewport::SetStatusBar(IStatusBar& statusBar)
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49 {
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50 statusBar_ = &statusBar;
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51
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52 if (centralWidget_.get() != NULL)
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53 {
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54 centralWidget_->SetStatusBar(statusBar);
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55 }
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56 }
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59 IWidget& WidgetViewport::SetCentralWidget(IWidget* widget)
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60 {
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61 if (widget == NULL)
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62 {
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63 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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64 }
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65
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66 mouseTracker_.reset(NULL);
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67
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68 centralWidget_.reset(widget);
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69 centralWidget_->SetViewport(*this);
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71 if (statusBar_ != NULL)
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72 {
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73 centralWidget_->SetStatusBar(*statusBar_);
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74 }
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75
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76 NotifyBackgroundChanged();
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78 return *widget;
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79 }
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81
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82 void WidgetViewport::NotifyBackgroundChanged()
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83 {
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84 backgroundChanged_ = true;
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85 NotifyContentChanged();
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86 }
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89 void WidgetViewport::SetSize(unsigned int width,
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90 unsigned int height)
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91 {
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92 background_.SetSize(width, height, false /* no alpha */);
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94 if (centralWidget_.get() != NULL)
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95 {
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96 centralWidget_->SetSize(width, height);
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97 }
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98
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99 NotifyBackgroundChanged();
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100 }
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101
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102
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103 bool WidgetViewport::Render(Orthanc::ImageAccessor& surface)
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104 {
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105 if (centralWidget_.get() == NULL)
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106 {
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107 return false;
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108 }
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109
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110 Orthanc::ImageAccessor background;
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111 background_.GetWriteableAccessor(background);
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112
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113 if (backgroundChanged_ &&
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114 !centralWidget_->Render(background))
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115 {
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116 return false;
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117 }
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118
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119 if (background.GetWidth() != surface.GetWidth() ||
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120 background.GetHeight() != surface.GetHeight())
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121 {
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122 return false;
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123 }
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124
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125 Orthanc::ImageProcessing::Convert(surface, background);
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126
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127 if (mouseTracker_.get() != NULL)
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128 {
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129 mouseTracker_->Render(surface);
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130 }
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131 else if (isMouseOver_)
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132 {
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133 centralWidget_->RenderMouseOver(surface, lastMouseX_, lastMouseY_);
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134 }
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135
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136 return true;
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137 }
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138
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139 void WidgetViewport::TouchStart(const std::vector<Touch>& displayTouches)
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140 {
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141 MouseDown(OrthancStone::MouseButton_Left, (int)displayTouches[0].x, (int)displayTouches[0].y, OrthancStone::KeyboardModifiers_None, displayTouches); // one touch is equivalent to a mouse tracker without left button -> set the mouse coordinates to the first touch coordinates
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142 }
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144 void WidgetViewport::TouchMove(const std::vector<Touch>& displayTouches)
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145 {
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146 MouseMove((int)displayTouches[0].x, (int)displayTouches[0].y, displayTouches); // one touch is equivalent to a mouse tracker without left button -> set the mouse coordinates to the first touch coordinates
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147 }
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148
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149 void WidgetViewport::TouchEnd(const std::vector<Touch>& displayTouches)
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150 {
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151 // note: TouchEnd is not triggered when a single touch gesture ends (it is only triggered when
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152 // going from 2 touches to 1 touch, ...)
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153 MouseUp();
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154 }
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155
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156 void WidgetViewport::MouseDown(OrthancStone::MouseButton button,
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157 int x,
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158 int y,
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159 OrthancStone::KeyboardModifiers modifiers,
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160 const std::vector<Touch>& displayTouches
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161 )
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162 {
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163 lastMouseX_ = x;
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164 lastMouseY_ = y;
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165
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166 if (centralWidget_.get() != NULL)
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167 {
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168 mouseTracker_.reset(centralWidget_->CreateMouseTracker(button, x, y, modifiers, displayTouches));
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169 }
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170 else
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171 {
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172 mouseTracker_.reset(NULL);
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173 }
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174
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175 NotifyContentChanged();
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176 }
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177
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178
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179 void WidgetViewport::MouseUp()
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180 {
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181 if (mouseTracker_.get() != NULL)
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182 {
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183 mouseTracker_->MouseUp();
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184 mouseTracker_.reset(NULL);
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185 NotifyContentChanged();
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186 }
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187 }
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188
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189
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190 void WidgetViewport::MouseMove(int x,
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191 int y,
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192 const std::vector<Touch>& displayTouches)
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193 {
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194 if (centralWidget_.get() == NULL)
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195 {
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196 return;
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197 }
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198
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199 lastMouseX_ = x;
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200 lastMouseY_ = y;
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201
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202 bool repaint = false;
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203
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204 if (mouseTracker_.get() != NULL)
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205 {
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206 mouseTracker_->MouseMove(x, y, displayTouches);
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207 repaint = true;
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208 }
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209 else
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210 {
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211 repaint = centralWidget_->HasRenderMouseOver();
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212 }
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213
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214 if (repaint)
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215 {
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216 // The scene must be repainted, notify the observers
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217 NotifyContentChanged();
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218 }
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219 }
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220
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221
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222 void WidgetViewport::MouseEnter()
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223 {
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224 isMouseOver_ = true;
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225 NotifyContentChanged();
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226 }
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227
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228
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229 void WidgetViewport::MouseLeave()
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230 {
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231 isMouseOver_ = false;
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232
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233 if (mouseTracker_.get() != NULL)
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234 {
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235 mouseTracker_->MouseUp();
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236 mouseTracker_.reset(NULL);
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237 }
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238
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239 NotifyContentChanged();
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240 }
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241
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242
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243 void WidgetViewport::MouseWheel(OrthancStone::MouseWheelDirection direction,
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244 int x,
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245 int y,
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246 OrthancStone::KeyboardModifiers modifiers)
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247 {
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248 if (centralWidget_.get() != NULL &&
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249 mouseTracker_.get() == NULL)
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250 {
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251 centralWidget_->MouseWheel(direction, x, y, modifiers);
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252 }
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253 }
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254
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255
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256 void WidgetViewport::KeyPressed(OrthancStone::KeyboardKeys key,
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257 char keyChar,
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258 OrthancStone::KeyboardModifiers modifiers)
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259 {
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260 if (centralWidget_.get() != NULL &&
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261 mouseTracker_.get() == NULL)
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262 {
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263 centralWidget_->KeyPressed(key, keyChar, modifiers);
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264 }
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265 }
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266
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267
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268 bool WidgetViewport::HasAnimation()
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269 {
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270 if (centralWidget_.get() != NULL)
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271 {
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272 return centralWidget_->HasAnimation();
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273 }
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274 else
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275 {
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276 return false;
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277 }
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278 }
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279
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280
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281 void WidgetViewport::DoAnimation()
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282 {
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283 if (centralWidget_.get() != NULL)
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284 {
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285 centralWidget_->DoAnimation();
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286 }
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287 }
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288 }