Mercurial > hg > orthanc-stone
annotate Framework/Viewport/WidgetViewport.cpp @ 150:62670cc2bb50 wasm
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 01 Feb 2018 16:07:54 +0100 |
| parents | e2fe9352f240 |
| children | fccffbf99ba1 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 47 | 8 * modify it under the terms of the GNU Affero General Public License |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 0 | 11 * |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 47 | 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "WidgetViewport.h" | |
| 23 | |
|
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24 #include <Core/Images/ImageProcessing.h> |
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25 #include <Core/OrthancException.h> |
| 0 | 26 |
| 27 namespace OrthancStone | |
| 28 { | |
| 29 WidgetViewport::WidgetViewport() : | |
| 30 statusBar_(NULL), | |
| 31 isMouseOver_(false), | |
| 32 lastMouseX_(0), | |
| 33 lastMouseY_(0), | |
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34 backgroundChanged_(false) |
| 0 | 35 { |
| 36 } | |
| 37 | |
| 38 | |
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39 void WidgetViewport::SetDefaultView() |
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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_->SetDefaultView(); |
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44 } |
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45 } |
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46 |
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47 |
| 0 | 48 void WidgetViewport::SetStatusBar(IStatusBar& statusBar) |
| 49 { | |
| 50 statusBar_ = &statusBar; | |
| 51 | |
| 52 if (centralWidget_.get() != NULL) | |
| 53 { | |
| 54 centralWidget_->SetStatusBar(statusBar); | |
| 55 } | |
| 56 } | |
| 57 | |
| 58 | |
| 59 IWidget& WidgetViewport::SetCentralWidget(IWidget* widget) | |
| 60 { | |
| 61 if (widget == NULL) | |
| 62 { | |
| 63 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 64 } | |
| 65 | |
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66 mouseTracker_.reset(NULL); |
| 0 | 67 |
| 68 centralWidget_.reset(widget); | |
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69 centralWidget_->SetViewport(*this); |
| 0 | 70 |
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71 if (statusBar_ != NULL) |
| 0 | 72 { |
| 73 centralWidget_->SetStatusBar(*statusBar_); | |
| 74 } | |
| 75 | |
| 76 backgroundChanged_ = true; | |
| 91 | 77 observers_.Apply(*this, &IObserver::NotifyChange); |
| 0 | 78 |
| 79 return *widget; | |
| 80 } | |
| 81 | |
| 82 | |
| 83 void WidgetViewport::NotifyChange(const IWidget& widget) | |
| 84 { | |
| 85 backgroundChanged_ = true; | |
| 91 | 86 observers_.Apply(*this, &IObserver::NotifyChange); |
| 0 | 87 } |
| 88 | |
| 89 | |
| 90 void WidgetViewport::SetSize(unsigned int width, | |
| 91 unsigned int height) | |
| 92 { | |
| 93 background_.SetSize(width, height); | |
| 94 | |
| 95 if (centralWidget_.get() != NULL) | |
| 96 { | |
| 97 centralWidget_->SetSize(width, height); | |
| 98 } | |
| 99 | |
| 91 | 100 observers_.Apply(*this, &IObserver::NotifyChange); |
| 0 | 101 } |
| 102 | |
| 103 | |
| 104 bool WidgetViewport::Render(Orthanc::ImageAccessor& surface) | |
| 105 { | |
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106 if (centralWidget_.get() == NULL) |
| 0 | 107 { |
| 108 return false; | |
| 109 } | |
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110 |
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111 Orthanc::ImageAccessor background = background_.GetAccessor(); |
| 0 | 112 |
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113 if (backgroundChanged_ && |
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114 !centralWidget_->Render(background)) |
| 0 | 115 { |
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116 return false; |
| 0 | 117 } |
| 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 } |
| 0 | 124 |
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125 Orthanc::ImageProcessing::Convert(surface, background); |
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126 |
| 0 | 127 if (mouseTracker_.get() != NULL) |
| 128 { | |
| 129 mouseTracker_->Render(surface); | |
| 130 } | |
| 131 else if (isMouseOver_) | |
| 132 { | |
| 133 centralWidget_->RenderMouseOver(surface, lastMouseX_, lastMouseY_); | |
| 134 } | |
| 135 | |
| 136 return true; | |
| 137 } | |
| 138 | |
| 139 | |
| 140 void WidgetViewport::MouseDown(MouseButton button, | |
| 141 int x, | |
| 142 int y, | |
| 143 KeyboardModifiers modifiers) | |
| 144 { | |
| 145 lastMouseX_ = x; | |
| 146 lastMouseY_ = y; | |
| 147 | |
| 148 if (centralWidget_.get() != NULL) | |
| 149 { | |
| 150 mouseTracker_.reset(centralWidget_->CreateMouseTracker(button, x, y, modifiers)); | |
| 151 } | |
| 152 else | |
| 153 { | |
| 154 mouseTracker_.reset(NULL); | |
| 155 } | |
| 156 | |
| 91 | 157 observers_.Apply(*this, &IObserver::NotifyChange); |
| 0 | 158 } |
| 159 | |
| 160 | |
| 161 void WidgetViewport::MouseUp() | |
| 162 { | |
| 163 if (mouseTracker_.get() != NULL) | |
| 164 { | |
| 165 mouseTracker_->MouseUp(); | |
| 166 mouseTracker_.reset(NULL); | |
| 91 | 167 observers_.Apply(*this, &IObserver::NotifyChange); |
| 0 | 168 } |
| 169 } | |
| 170 | |
| 171 | |
| 172 void WidgetViewport::MouseMove(int x, | |
| 173 int y) | |
| 174 { | |
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175 if (centralWidget_.get() == NULL) |
| 0 | 176 { |
| 177 return; | |
| 178 } | |
| 179 | |
| 180 lastMouseX_ = x; | |
| 181 lastMouseY_ = y; | |
| 182 | |
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183 bool repaint = false; |
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184 |
| 0 | 185 if (mouseTracker_.get() != NULL) |
| 186 { | |
| 187 mouseTracker_->MouseMove(x, y); | |
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188 repaint = true; |
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189 } |
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190 else |
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191 { |
| 55 | 192 repaint = centralWidget_->HasRenderMouseOver(); |
| 0 | 193 } |
| 194 | |
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195 if (repaint) |
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196 { |
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197 // The scene must be repainted, notify the observers |
| 91 | 198 observers_.Apply(*this, &IObserver::NotifyChange); |
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199 } |
| 0 | 200 } |
| 201 | |
| 202 | |
| 203 void WidgetViewport::MouseEnter() | |
| 204 { | |
| 205 isMouseOver_ = true; | |
| 91 | 206 observers_.Apply(*this, &IObserver::NotifyChange); |
| 0 | 207 } |
| 208 | |
| 209 | |
| 210 void WidgetViewport::MouseLeave() | |
| 211 { | |
| 212 isMouseOver_ = false; | |
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213 |
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214 if (mouseTracker_.get() != NULL) |
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215 { |
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216 mouseTracker_->MouseUp(); |
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217 mouseTracker_.reset(NULL); |
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218 } |
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219 |
| 91 | 220 observers_.Apply(*this, &IObserver::NotifyChange); |
| 0 | 221 } |
| 222 | |
| 223 | |
| 224 void WidgetViewport::MouseWheel(MouseWheelDirection direction, | |
| 225 int x, | |
| 226 int y, | |
| 227 KeyboardModifiers modifiers) | |
| 228 { | |
| 229 if (centralWidget_.get() != NULL && | |
| 230 mouseTracker_.get() == NULL) | |
| 231 { | |
| 232 centralWidget_->MouseWheel(direction, x, y, modifiers); | |
| 233 } | |
| 234 } | |
| 235 | |
| 236 | |
| 237 void WidgetViewport::KeyPressed(char key, | |
| 238 KeyboardModifiers modifiers) | |
| 239 { | |
| 240 if (centralWidget_.get() != NULL && | |
| 241 mouseTracker_.get() == NULL) | |
| 242 { | |
| 243 centralWidget_->KeyPressed(key, modifiers); | |
| 244 } | |
| 245 } | |
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246 |
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247 |
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248 bool WidgetViewport::HasUpdateContent() |
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249 { |
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250 if (centralWidget_.get() != NULL) |
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251 { |
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252 return centralWidget_->HasUpdateContent(); |
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253 } |
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254 else |
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255 { |
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256 return false; |
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257 } |
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258 } |
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259 |
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260 |
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261 void WidgetViewport::UpdateContent() |
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262 { |
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263 if (centralWidget_.get() != NULL) |
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264 { |
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265 centralWidget_->UpdateContent(); |
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266 } |
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267 } |
| 0 | 268 } |