Mercurial > hg > orthanc-stone
annotate Platforms/Wasm/Defaults.cpp @ 385:6cc3ce74dc05
using message broker in widgets
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 07 Nov 2018 20:49:41 +0100 |
| parents | 8716176ff7f0 |
| children | e33659decec5 |
| rev | line source |
|---|---|
| 222 | 1 #include "Defaults.h" |
| 2 | |
| 223 | 3 #include "WasmWebService.h" |
| 4 #include <Framework/dev.h> | |
| 5 #include "Framework/Widgets/TestCairoWidget.h" | |
| 6 #include <Framework/Viewport/WidgetViewport.h> | |
| 7 #include <Framework/Widgets/LayerWidget.h> | |
| 228 | 8 #include <algorithm> |
| 242 | 9 #include "Applications/Wasm/StartupParametersBuilder.h" |
| 307 | 10 #include "Platforms/Wasm/WasmPlatformApplicationAdapter.h" |
| 223 | 11 |
| 12 static unsigned int width_ = 0; | |
| 13 static unsigned int height_ = 0; | |
| 14 | |
| 15 /**********************************/ | |
| 16 | |
| 288 | 17 static std::unique_ptr<OrthancStone::IStoneApplication> application; |
| 307 | 18 static std::unique_ptr<OrthancStone::WasmPlatformApplicationAdapter> applicationWasmAdapter = NULL; |
| 288 | 19 static std::unique_ptr<OrthancStone::StoneApplicationContext> context; |
| 242 | 20 static OrthancStone::StartupParametersBuilder startupParametersBuilder; |
| 253 | 21 static OrthancStone::MessageBroker broker; |
| 242 | 22 |
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using message broker in widgets
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23 static OrthancStone::ViewportContentChangedObserver viewportContentChangedObserver_(broker); |
| 223 | 24 static OrthancStone::StatusBar statusBar_; |
| 25 | |
| 227 | 26 static std::list<std::shared_ptr<OrthancStone::WidgetViewport>> viewports_; |
| 27 | |
| 228 | 28 std::shared_ptr<OrthancStone::WidgetViewport> FindViewportSharedPtr(ViewportHandle viewport) { |
| 29 for (const auto& v : viewports_) { | |
| 30 if (v.get() == viewport) { | |
| 31 return v; | |
| 32 } | |
| 33 } | |
| 229 | 34 assert(false); |
| 35 return std::shared_ptr<OrthancStone::WidgetViewport>(); | |
| 228 | 36 } |
| 37 | |
| 223 | 38 #ifdef __cplusplus |
| 39 extern "C" { | |
| 40 #endif | |
| 41 | |
| 42 using namespace OrthancStone; | |
| 227 | 43 |
| 44 // when WASM needs a C++ viewport | |
| 45 ViewportHandle EMSCRIPTEN_KEEPALIVE CreateCppViewport() { | |
| 46 | |
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47 std::shared_ptr<OrthancStone::WidgetViewport> viewport(new OrthancStone::WidgetViewport(broker)); |
| 287 | 48 printf("viewport %x\n", (int)viewport.get()); |
| 227 | 49 |
| 50 viewports_.push_back(viewport); | |
| 51 | |
| 52 printf("There are now %d viewports in C++\n", viewports_.size()); | |
| 53 | |
| 54 viewport->SetStatusBar(statusBar_); | |
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55 |
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56 viewport->RegisterObserverCallback( |
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57 new Callable<ViewportContentChangedObserver, IViewport::ViewportChangedMessage> |
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58 (viewportContentChangedObserver_, &ViewportContentChangedObserver::OnViewportChanged)); |
| 227 | 59 |
| 60 return viewport.get(); | |
| 61 } | |
| 62 | |
| 63 // when WASM does not need a viewport anymore, it should release it | |
| 64 void EMSCRIPTEN_KEEPALIVE ReleaseCppViewport(ViewportHandle viewport) { | |
| 65 viewports_.remove_if([viewport](const std::shared_ptr<OrthancStone::WidgetViewport>& v) { return v.get() == viewport;}); | |
| 66 | |
| 67 printf("There are now %d viewports in C++\n", viewports_.size()); | |
| 68 } | |
| 69 | |
| 70 void EMSCRIPTEN_KEEPALIVE CreateWasmApplication(ViewportHandle viewport) { | |
| 223 | 71 |
| 72 printf("CreateWasmApplication\n"); | |
| 73 | |
| 253 | 74 application.reset(CreateUserApplication(broker)); |
| 307 | 75 applicationWasmAdapter.reset(CreateWasmApplicationAdapter(broker, application.get())); |
| 255 | 76 WasmWebService::SetBroker(broker); |
| 223 | 77 |
| 242 | 78 startupParametersBuilder.Clear(); |
| 223 | 79 } |
| 80 | |
| 81 void EMSCRIPTEN_KEEPALIVE SetStartupParameter(const char* keyc, | |
| 82 const char* value) { | |
| 242 | 83 startupParametersBuilder.SetStartupParameter(keyc, value); |
| 223 | 84 } |
| 85 | |
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86 void EMSCRIPTEN_KEEPALIVE StartWasmApplication() { |
| 223 | 87 |
| 88 printf("StartWasmApplication\n"); | |
| 89 | |
| 90 // recreate a command line from uri arguments and parse it | |
| 91 boost::program_options::variables_map parameters; | |
| 242 | 92 boost::program_options::options_description options; |
| 93 application->DeclareStartupOptions(options); | |
| 94 startupParametersBuilder.GetStartupParameters(parameters, options); | |
| 223 | 95 |
| 288 | 96 context.reset(new OrthancStone::StoneApplicationContext()); |
| 272 | 97 context->SetWebService(OrthancStone::WasmWebService::GetInstance()); |
| 242 | 98 application->Initialize(context.get(), statusBar_, parameters); |
| 99 application->InitializeWasm(); | |
| 223 | 100 |
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101 // viewport->SetSize(width_, height_); |
| 223 | 102 printf("StartWasmApplication - completed\n"); |
| 103 } | |
| 104 | |
| 105 void EMSCRIPTEN_KEEPALIVE NotifyUpdateContent() | |
| 106 { | |
| 228 | 107 for (auto viewport : viewports_) { |
| 108 // TODO Only launch the JavaScript timer if "HasUpdateContent()" | |
| 109 if (viewport->HasUpdateContent()) | |
| 110 { | |
| 111 viewport->UpdateContent(); | |
| 112 } | |
| 113 | |
| 223 | 114 } |
| 115 | |
| 116 } | |
| 117 | |
| 118 | |
| 228 | 119 void EMSCRIPTEN_KEEPALIVE ViewportSetSize(ViewportHandle viewport, unsigned int width, unsigned int height) |
| 223 | 120 { |
| 121 width_ = width; | |
| 122 height_ = height; | |
| 123 | |
| 228 | 124 viewport->SetSize(width, height); |
| 223 | 125 } |
| 126 | |
| 228 | 127 int EMSCRIPTEN_KEEPALIVE ViewportRender(ViewportHandle viewport, |
| 227 | 128 unsigned int width, |
| 223 | 129 unsigned int height, |
| 130 uint8_t* data) | |
| 131 { | |
| 278 | 132 viewportContentChangedObserver_.Reset(); |
| 223 | 133 |
| 134 //printf("ViewportRender called %dx%d\n", width, height); | |
| 135 if (width == 0 || | |
| 136 height == 0) | |
| 137 { | |
| 138 return 1; | |
| 139 } | |
| 140 | |
| 141 Orthanc::ImageAccessor surface; | |
| 142 surface.AssignWritable(Orthanc::PixelFormat_BGRA32, width, height, 4 * width, data); | |
| 143 | |
| 227 | 144 viewport->Render(surface); |
| 223 | 145 |
| 146 // Convert from BGRA32 memory layout (only color mode supported by | |
| 147 // Cairo, which corresponds to CAIRO_FORMAT_ARGB32) to RGBA32 (as | |
| 148 // expected by HTML5 canvas). This simply amounts to swapping the | |
| 149 // B and R channels. | |
| 150 uint8_t* p = data; | |
| 151 for (unsigned int y = 0; y < height; y++) { | |
| 152 for (unsigned int x = 0; x < width; x++) { | |
| 153 uint8_t tmp = p[0]; | |
| 154 p[0] = p[2]; | |
| 155 p[2] = tmp; | |
| 156 | |
| 157 p += 4; | |
| 158 } | |
| 159 } | |
| 160 | |
| 161 return 1; | |
| 162 } | |
| 163 | |
| 164 | |
| 228 | 165 void EMSCRIPTEN_KEEPALIVE ViewportMouseDown(ViewportHandle viewport, |
| 166 unsigned int rawButton, | |
| 223 | 167 int x, |
| 168 int y, | |
| 169 unsigned int rawModifiers) | |
| 170 { | |
| 171 OrthancStone::MouseButton button; | |
| 172 switch (rawButton) | |
| 173 { | |
| 174 case 0: | |
| 175 button = OrthancStone::MouseButton_Left; | |
| 176 break; | |
| 177 | |
| 178 case 1: | |
| 179 button = OrthancStone::MouseButton_Middle; | |
| 180 break; | |
| 181 | |
| 182 case 2: | |
| 183 button = OrthancStone::MouseButton_Right; | |
| 184 break; | |
| 185 | |
| 186 default: | |
| 187 return; // Unknown button | |
| 188 } | |
| 189 | |
| 228 | 190 viewport->MouseDown(button, x, y, OrthancStone::KeyboardModifiers_None /* TODO */); |
| 223 | 191 } |
| 192 | |
| 193 | |
| 228 | 194 void EMSCRIPTEN_KEEPALIVE ViewportMouseWheel(ViewportHandle viewport, |
| 195 int deltaY, | |
| 223 | 196 int x, |
| 197 int y, | |
| 198 int isControl) | |
| 199 { | |
| 228 | 200 if (deltaY != 0) |
| 223 | 201 { |
| 202 OrthancStone::MouseWheelDirection direction = (deltaY < 0 ? | |
| 203 OrthancStone::MouseWheelDirection_Up : | |
| 204 OrthancStone::MouseWheelDirection_Down); | |
| 205 OrthancStone::KeyboardModifiers modifiers = OrthancStone::KeyboardModifiers_None; | |
| 206 | |
| 207 if (isControl != 0) | |
| 208 { | |
| 209 modifiers = OrthancStone::KeyboardModifiers_Control; | |
| 210 } | |
| 211 | |
| 228 | 212 viewport->MouseWheel(direction, x, y, modifiers); |
| 223 | 213 } |
| 214 } | |
| 215 | |
| 216 | |
| 228 | 217 void EMSCRIPTEN_KEEPALIVE ViewportMouseMove(ViewportHandle viewport, |
| 218 int x, | |
| 223 | 219 int y) |
| 220 { | |
| 228 | 221 viewport->MouseMove(x, y); |
| 223 | 222 } |
| 223 | |
| 228 | 224 void EMSCRIPTEN_KEEPALIVE ViewportKeyPressed(ViewportHandle viewport, |
| 327 | 225 int key, |
| 226 const char* keyChar, | |
| 223 | 227 bool isShiftPressed, |
| 228 bool isControlPressed, | |
| 229 bool isAltPressed) | |
| 230 | |
| 231 { | |
| 228 | 232 OrthancStone::KeyboardModifiers modifiers = OrthancStone::KeyboardModifiers_None; |
| 233 if (isShiftPressed) { | |
| 234 modifiers = static_cast<OrthancStone::KeyboardModifiers>(modifiers + OrthancStone::KeyboardModifiers_Shift); | |
| 223 | 235 } |
| 228 | 236 if (isControlPressed) { |
| 237 modifiers = static_cast<OrthancStone::KeyboardModifiers>(modifiers + OrthancStone::KeyboardModifiers_Control); | |
| 238 } | |
| 239 if (isAltPressed) { | |
| 240 modifiers = static_cast<OrthancStone::KeyboardModifiers>(modifiers + OrthancStone::KeyboardModifiers_Alt); | |
| 241 } | |
| 327 | 242 |
| 243 char c = 0; | |
| 244 if (keyChar != NULL && key == OrthancStone::KeyboardKeys_Generic) { | |
| 245 c = keyChar[0]; | |
| 246 } | |
| 247 viewport->KeyPressed(static_cast<OrthancStone::KeyboardKeys>(key), c, modifiers); | |
| 223 | 248 } |
| 249 | |
| 250 | |
| 228 | 251 void EMSCRIPTEN_KEEPALIVE ViewportMouseUp(ViewportHandle viewport) |
| 223 | 252 { |
| 228 | 253 viewport->MouseUp(); |
| 223 | 254 } |
| 255 | |
| 256 | |
| 228 | 257 void EMSCRIPTEN_KEEPALIVE ViewportMouseEnter(ViewportHandle viewport) |
| 223 | 258 { |
| 228 | 259 viewport->MouseEnter(); |
| 223 | 260 } |
| 261 | |
| 262 | |
| 228 | 263 void EMSCRIPTEN_KEEPALIVE ViewportMouseLeave(ViewportHandle viewport) |
| 223 | 264 { |
| 228 | 265 viewport->MouseLeave(); |
| 223 | 266 } |
| 267 | |
| 287 | 268 const char* EMSCRIPTEN_KEEPALIVE SendMessageToStoneApplication(const char* message) |
| 269 { | |
| 270 static std::string output; // we don't want the string to be deallocated when we return to JS code so we always use the same string (this is fine since JS is single-thread) | |
| 271 | |
| 307 | 272 printf("SendMessageToStoneApplication\n"); |
| 309 | 273 printf("%s", message); |
| 307 | 274 |
| 275 if (applicationWasmAdapter.get() != NULL) { | |
| 276 printf("sending message to C++\n"); | |
| 277 applicationWasmAdapter->HandleMessageFromWeb(output, std::string(message)); | |
| 287 | 278 return output.c_str(); |
| 279 } | |
| 307 | 280 printf("This stone application does not have a Web Adapter"); |
| 281 return NULL; | |
| 287 | 282 } |
| 283 | |
| 223 | 284 |
| 285 #ifdef __cplusplus | |
| 286 } | |
| 287 #endif |