Mercurial > hg > orthanc-stone
annotate Framework/Viewport/WidgetViewport.cpp @ 61:ca644004d2ee wasm
MAJOR - removal of Start/Stop and observers in IWidget
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 10 May 2017 17:55:13 +0200 |
| parents | f0f354a97581 |
| children | 298f375dcb68 |
| 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 Osimis, 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 | |
| 16 | 24 #include "../../Resources/Orthanc/Core/Images/ImageProcessing.h" |
| 25 #include "../../Resources/Orthanc/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; | |
| 77 | |
| 78 return *widget; | |
| 79 } | |
| 80 | |
| 81 | |
| 82 void WidgetViewport::NotifyChange(const IWidget& widget) | |
| 83 { | |
| 84 backgroundChanged_ = true; | |
| 85 observers_.NotifyChange(this); | |
| 86 } | |
| 87 | |
| 88 | |
| 89 void WidgetViewport::SetSize(unsigned int width, | |
| 90 unsigned int height) | |
| 91 { | |
| 92 background_.SetSize(width, height); | |
| 93 | |
| 94 if (centralWidget_.get() != NULL) | |
| 95 { | |
| 96 centralWidget_->SetSize(width, height); | |
| 97 } | |
| 98 | |
| 99 observers_.NotifyChange(this); | |
| 100 } | |
| 101 | |
| 102 | |
| 103 bool WidgetViewport::Render(Orthanc::ImageAccessor& surface) | |
| 104 { | |
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105 if (centralWidget_.get() == NULL) |
| 0 | 106 { |
| 107 return false; | |
| 108 } | |
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109 |
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110 Orthanc::ImageAccessor background = background_.GetAccessor(); |
| 0 | 111 |
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112 if (backgroundChanged_ && |
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113 !centralWidget_->Render(background)) |
| 0 | 114 { |
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115 return false; |
| 0 | 116 } |
| 117 | |
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118 if (background.GetWidth() != surface.GetWidth() || |
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119 background.GetHeight() != surface.GetHeight()) |
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120 { |
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121 return false; |
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122 } |
| 0 | 123 |
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124 Orthanc::ImageProcessing::Convert(surface, background); |
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125 |
| 0 | 126 if (mouseTracker_.get() != NULL) |
| 127 { | |
| 128 mouseTracker_->Render(surface); | |
| 129 } | |
| 130 else if (isMouseOver_) | |
| 131 { | |
| 132 centralWidget_->RenderMouseOver(surface, lastMouseX_, lastMouseY_); | |
| 133 } | |
| 134 | |
| 135 return true; | |
| 136 } | |
| 137 | |
| 138 | |
| 139 void WidgetViewport::MouseDown(MouseButton button, | |
| 140 int x, | |
| 141 int y, | |
| 142 KeyboardModifiers modifiers) | |
| 143 { | |
| 144 lastMouseX_ = x; | |
| 145 lastMouseY_ = y; | |
| 146 | |
| 147 if (centralWidget_.get() != NULL) | |
| 148 { | |
| 149 mouseTracker_.reset(centralWidget_->CreateMouseTracker(button, x, y, modifiers)); | |
| 150 } | |
| 151 else | |
| 152 { | |
| 153 mouseTracker_.reset(NULL); | |
| 154 } | |
| 155 | |
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156 observers_.NotifyChange(this); |
| 0 | 157 } |
| 158 | |
| 159 | |
| 160 void WidgetViewport::MouseUp() | |
| 161 { | |
| 162 if (mouseTracker_.get() != NULL) | |
| 163 { | |
| 164 mouseTracker_->MouseUp(); | |
| 165 mouseTracker_.reset(NULL); | |
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166 observers_.NotifyChange(this); |
| 0 | 167 } |
| 168 } | |
| 169 | |
| 170 | |
| 171 void WidgetViewport::MouseMove(int x, | |
| 172 int y) | |
| 173 { | |
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174 if (centralWidget_.get() == NULL) |
| 0 | 175 { |
| 176 return; | |
| 177 } | |
| 178 | |
| 179 lastMouseX_ = x; | |
| 180 lastMouseY_ = y; | |
| 181 | |
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182 bool repaint = false; |
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183 |
| 0 | 184 if (mouseTracker_.get() != NULL) |
| 185 { | |
| 186 mouseTracker_->MouseMove(x, y); | |
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187 repaint = true; |
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188 } |
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189 else |
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190 { |
| 55 | 191 repaint = centralWidget_->HasRenderMouseOver(); |
| 0 | 192 } |
| 193 | |
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194 if (repaint) |
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195 { |
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196 // The scene must be repainted, notify the observers |
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197 observers_.NotifyChange(this); |
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198 } |
| 0 | 199 } |
| 200 | |
| 201 | |
| 202 void WidgetViewport::MouseEnter() | |
| 203 { | |
| 204 isMouseOver_ = true; | |
| 205 observers_.NotifyChange(this); | |
| 206 } | |
| 207 | |
| 208 | |
| 209 void WidgetViewport::MouseLeave() | |
| 210 { | |
| 211 isMouseOver_ = false; | |
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212 |
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213 if (mouseTracker_.get() != NULL) |
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214 { |
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215 mouseTracker_->MouseUp(); |
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216 mouseTracker_.reset(NULL); |
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217 } |
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218 |
| 0 | 219 observers_.NotifyChange(this); |
| 220 } | |
| 221 | |
| 222 | |
| 223 void WidgetViewport::MouseWheel(MouseWheelDirection direction, | |
| 224 int x, | |
| 225 int y, | |
| 226 KeyboardModifiers modifiers) | |
| 227 { | |
| 228 if (centralWidget_.get() != NULL && | |
| 229 mouseTracker_.get() == NULL) | |
| 230 { | |
| 231 centralWidget_->MouseWheel(direction, x, y, modifiers); | |
| 232 } | |
| 233 } | |
| 234 | |
| 235 | |
| 236 void WidgetViewport::KeyPressed(char key, | |
| 237 KeyboardModifiers modifiers) | |
| 238 { | |
| 239 if (centralWidget_.get() != NULL && | |
| 240 mouseTracker_.get() == NULL) | |
| 241 { | |
| 242 centralWidget_->KeyPressed(key, modifiers); | |
| 243 } | |
| 244 } | |
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245 |
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246 |
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247 bool WidgetViewport::HasUpdateContent() |
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248 { |
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249 if (centralWidget_.get() != NULL) |
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250 { |
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251 return centralWidget_->HasUpdateContent(); |
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252 } |
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253 else |
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254 { |
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255 return false; |
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256 } |
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257 } |
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258 |
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259 |
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260 void WidgetViewport::UpdateContent() |
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261 { |
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262 if (centralWidget_.get() != NULL) |
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263 { |
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264 centralWidget_->UpdateContent(); |
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265 } |
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266 } |
| 0 | 267 } |