Mercurial > hg > orthanc-stone
annotate Platforms/Wasm/Defaults.h @ 389:3e6e10a5a6c8
cont
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 09 Nov 2018 17:28:32 +0100 |
| parents | 6cc3ce74dc05 |
| children | 7105a0bad250 |
| rev | line source |
|---|---|
| 222 | 1 #pragma once |
| 2 | |
| 223 | 3 #include <emscripten/emscripten.h> |
| 4 | |
| 222 | 5 #include <Framework/dev.h> |
| 6 #include <Framework/Viewport/WidgetViewport.h> | |
| 7 #include <Framework/Widgets/LayoutWidget.h> | |
| 288 | 8 #include <Applications/IStoneApplication.h> |
| 307 | 9 #include <Platforms/Wasm/WasmPlatformApplicationAdapter.h> |
| 222 | 10 |
| 233 | 11 typedef OrthancStone::WidgetViewport* ViewportHandle; // the objects exchanged between JS and C++ |
| 227 | 12 |
| 222 | 13 #ifdef __cplusplus |
| 14 extern "C" { | |
| 15 #endif | |
| 16 | |
| 223 | 17 // JS methods accessible from C++ |
| 229 | 18 extern void ScheduleWebViewportRedrawFromCpp(ViewportHandle cppViewportHandle); |
| 287 | 19 extern void UpdateStoneApplicationStatusFromCpp(const char* statusUpdateMessage); |
| 222 | 20 |
| 223 | 21 // C++ methods accessible from JS |
| 229 | 22 extern void EMSCRIPTEN_KEEPALIVE CreateWasmApplication(ViewportHandle cppViewportHandle); |
| 254 | 23 extern void EMSCRIPTEN_KEEPALIVE SetStartupParameter(const char* keyc, const char* value); |
| 24 | |
| 223 | 25 |
| 222 | 26 #ifdef __cplusplus |
| 27 } | |
| 28 #endif | |
| 29 | |
| 307 | 30 // these methods must be implemented in the custom app "mainWasm.cpp" |
| 288 | 31 extern OrthancStone::IStoneApplication* CreateUserApplication(OrthancStone::MessageBroker& broker); |
| 307 | 32 extern OrthancStone::WasmPlatformApplicationAdapter* CreateWasmApplicationAdapter(OrthancStone::MessageBroker& broker, OrthancStone::IStoneApplication* application); |
| 222 | 33 |
| 34 namespace OrthancStone { | |
| 35 | |
| 287 | 36 // default Observer to trigger Viewport redraw when something changes in the Viewport |
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37 class ViewportContentChangedObserver : public IObserver |
| 222 | 38 { |
| 39 private: | |
| 40 // Flag to avoid flooding JavaScript with redundant Redraw requests | |
| 41 bool isScheduled_; | |
| 42 | |
| 43 public: | |
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44 ViewportContentChangedObserver(MessageBroker& broker) : |
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6cc3ce74dc05
using message broker in widgets
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parents:
307
diff
changeset
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45 IObserver(broker), |
| 222 | 46 isScheduled_(false) |
| 47 { | |
| 48 } | |
| 49 | |
| 50 void Reset() | |
| 51 { | |
| 52 isScheduled_ = false; | |
| 53 } | |
| 54 | |
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55 void OnViewportChanged(const IViewport::ViewportChangedMessage& message) |
| 222 | 56 { |
| 57 if (!isScheduled_) | |
| 58 { | |
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parents:
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diff
changeset
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59 ScheduleWebViewportRedrawFromCpp((ViewportHandle)&message.GetOrigin()); // loosing constness when transmitted to Web |
| 222 | 60 isScheduled_ = true; |
| 61 } | |
| 62 } | |
| 63 }; | |
| 64 | |
| 223 | 65 // default status bar to log messages on the console/stdout |
| 222 | 66 class StatusBar : public OrthancStone::IStatusBar |
| 67 { | |
| 68 public: | |
| 69 virtual void ClearMessage() | |
| 70 { | |
| 71 } | |
| 72 | |
| 73 virtual void SetMessage(const std::string& message) | |
| 74 { | |
| 75 printf("%s\n", message.c_str()); | |
| 76 } | |
| 77 }; | |
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using message broker in widgets
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parents:
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diff
changeset
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78 } |