Executable Color Key GUI.exe main() and *.cpp *.ui15 Introduce static lib for tests Static Library Executable Color Key GUI.exe main() UI.lib *.cpp *.ui16 Introduce static lib for tests Static Library Executable Color Key GUI.exe main() UITests.exe main() and tests/*.cpp UI.lib *.cpp *.ui If too hard, could move just the code you are going to test17 Why Static Library? Impact fixture50 Bonus Points: Separate logic from UI code Static Library Executable Color Key GUI.exe main() UITests.exe main() and tests/*.cpp UI.lib *.cpp *.ui Model.lib ModelTests.exe *.cpp main()

the Frametime Physics UI N Logic AI Record S GPU Physics UI N Logic AI Record S Frametime = 1 / FPS Threads GPU Physics UI N Logic AI Record S Frametime Threads P UI N L AI P P L Frametime R R S GPU Physics UI N Logic AI Record S Physics UI N Logic AI Record S Physics UI N Logic AI GPU P UI N L AI P P L R R R R R R R R S P UI N L AI P P L R R R R R R R R S P UI N AI L R R R R R R R R S L P P GPU GPU GPU Threads GPUHelmut Hlavacs – Combining Co-Routines and Functions into a Job System - CppCon 2021 7 / 39 Job Systems

Test: Hijack a FunctionComplicated Dependencies class ActiveAssetsPage : public UI::Page { public: ActiveAssetsPage(UI::Page& parent, SQLDB dbId); void OnShow() override; private: UIList mAssetList AssetDatabase mDB; };Complicated Dependencies class ActiveAssetsPage : public UI::Page { public: ActiveAssetsPage(UI::Page& parent, SQLDB dbId); const Asset& GetNextAsset(AssetId id, AssetFilter filter) AssetDatabase mDB; };Complicated Dependencies class ActiveAssetsPage : public UI::Page { public: ActiveAssetsPage(UI::Page& parent, SQLDB dbId); const Asset& GetNextAsset(AssetId id, AssetFilter filter)

struct D : public B {}; int main() { int i = 7001; float f = static_cast(i); // 1 uint8_t ui8 = static_cast(1.75f * f); // 2 D d; B& rb = d; D& rd = static_cast(rb); //3 return 0; pointers and throws std::bad_cast for references if the types are not relateddynamic_cast example: UI Framework struct Widget {}; struct Label : public Widget {}; struct Button : public Widget { void if(touchedWidget) { touchedWidget->DoClick(); } //more processing } Code::Bytesdynamic_cast example: UI Framework struct Widget {}; struct Label : public Widget {}; struct Button : public Widget { void

boolStandard Conversions (Rank 3) 66 void f( double ); // (1) int main() { unsigned int ui = 42U; f( ui ); } // Calls (1) (standard conversion, rank 3) Standard conversion (rank 3)Standard Conversions unsigned int ui = 42U; f( ui ); } // Calls (1) (standard conversion, rank 3) Standard conversion (rank 3)Standard Conversions (Rank 3) 68 int main() { unsigned int ui = 42U; f( ui ); }

the development environment using Esri templates • Use the ArcGIS toolkit to use already existing UI componentsTime aware layer • We will be using a feature layer that include hurricane data as features Runtime Toolkit for Qt • Open-source project • Contains UI components and utilities to help simplify Qt app development • Can plug and play various UI pieces • Where: - https://github.com/Esri/arcgis-runtime-toolkit-qt file in Qt Creator - Register your components in main.cppArcGIS Runtime Toolkit for Qt • Time slider UI component: - Provides controls to visualize and step through temporal data - Set the current time

the client closes the connection (but see that method’s docstring for caveats). 6.1.6 Templates and UI Tornado includes a simple, fast, and flexible templating language. This section describes that language handler.xsrf_form_html • reverse_url: alias for Application.reverse_url • All entries from the ui_methods and ui_modules Application settings • Any keyword arguments passed to render or render_string When en_US if no close match can be found. UI modules Tornado supports UI modules to make it easy to support standard, reusable UI widgets across your application. UI modules are like special function calls

Coroutines Queue example - a concurrent web spider Structure of a Tornado web application Templates and UI Authentication and security Running and deploying Web framework tornado.web — RequestHandler and Error Handling Redirection Asynchronous handlers Templates and UI Configuring templates Template syntax Security Internationalization UI modules Authentication and security Cookies and signed cookies after the client closes the connection (but see that method’s docstring for caveats).Templates and UI Tornado includes a simple, fast, and flexible templating language. This section describes that language

ranges-v3, tl-expected, catch2 etc) ● Qt for UI on devices 9Briefly about Qt 10 C++ code: ● Business logic ● Integration ● System-level QML code: ● UI-related thingsBriefly about classes 11std::optional logging output ○ Integration with UI libraries ○ Glue-code ○ ...Where is the boundary? ● Class interface ● Library interface 37Example: window layout class diagram 38 UI::WindowLayout IWindowLayout

using namespace std; int main() { cout << boolalpha; short s = -1; unsigned int ui = 1729; cout << (s < ui) << endl; } • What does this print? • warning C4018: '<': signed/unsigned mismatch • namespace std; int main() { cout << boolalpha; short s = -1; unsigned int ui = 1729; cout << cmp_less(s, ui) << endl; } • This prints true ✔ 9 template constexpr