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88 lines
3.7 KiB
Markdown
88 lines
3.7 KiB
Markdown
# U++
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U++ is a C++ cross-platform rapid application development framework focused on programmers productivity. It includes a set of libraries (GUI, SQL, etc.), and an integrated development environment.
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Rapid development is achieved by the [smart and aggressive use of C++](https://www.ultimatepp.org/www$uppweb$overview$en-us.html) rather than through fancy code generators. In this respect, U++ competes with popular scripting languages while preserving C/C++ runtime characteristics.
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The U++ integrated development environment, TheIDE, introduces modular concepts to C++ programming. It features BLITZ-build technology to speedup C++ rebuilds up to 4 times, Visual designers for U++ libraries, a [Topic++](https://www.ultimatepp.org/app$ide$Topic$en-us.html) system for documenting code and creating rich text resources for applications (like help and code documentation) and [Assist++](https://www.ultimatepp.org/app$ide$Assist$en-us.html) - a powerful C++ code analyzer that provides features like code completion, navigation and transformation.
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TheIDE can work with GCC, Clang, MinGW and Visual C++ and contains a full featured debugger. TheIDE can also be used to develop non-U++ applications.
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U++ supports following platforms on the production level: **Windows**, **macOS**, **GNU/Linux** & **FreeBSD**.
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## What you can get with U++?
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* A very effective C++ library for cross-platform development in source form.
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* A good integrated development environment, designed for developing large C++ applications.
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You can use both, or you can use whichever you need.
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## License
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U++ uses BSD license.
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## Download
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Main downloads:
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* [Latest stable release](https://sourceforge.net/projects/upp/files/latest/download) - starts download with automatic platform detection
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Other downloads:
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* [Stable releases](https://sourceforge.net/projects/upp/) - all stable releases including historical ones
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* [Nightly build](https://www.ultimatepp.org/www$uppweb$download$en-us.html) - latest unstable release of U++ (might be unstable)
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## U++ Resources
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More information about the framework, can be found on the official [site](https://www.ultimatepp.org). Don't forget to check our rich [documentation](https://www.ultimatepp.org/www$uppweb$documentation$en-us.html).
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## Examples
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### GUI
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Below is the code of trivial GUI application that displays "Hello World" string inside window:
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```c++
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#include <CtrlLib/CtrlLib.h>
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class MyApp: public Upp::TopWindow {
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public:
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MyApp()
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{
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Title("My application").Zoomable().Sizeable().SetRect(0, 0, 320, 200);
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}
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virtual void Paint(Upp::Draw& w) override
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{
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w.DrawRect(GetSize(), Upp::SWhite);
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w.DrawText(10, 10, "Hello, world!", Upp::Arial(30), Upp::Magenta);
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}
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};
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GUI_APP_MAIN
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{
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MyApp().Run();
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}
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```
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### TheIDE
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Standard part of U++ framework is integrated development environment, TheIDE.
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<p align="center">
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<img alt="TheIDE - U++ Integrated Developemnt Enviroment" src="/uppbox/uppweb/Resources/Images/TheIDE.png" width="80%" height="80%">
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</p>
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### Additional examples
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See here: [examples](https://www.ultimatepp.org/www$uppweb$examples$en-us.html). Moreover, exactly the same examples can be found in the **examples** and **references** directories located in this repository.
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If you would like to see more screenshots, click [here](https://www.ultimatepp.org/www$uppweb$ss$en-us.html).
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# Repository
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## Repository layout
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The U++ repository is divided into several directories. The most important ones are:
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* **examples** - exemplary codes of complex applications
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* **references** - reference examples demonstrating individual features of U++
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* **uppsrc** - main sources of the framework
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