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# QtImGui
Qt (QOpenGLWidget / QOpenGLWindow) backend for [ImGui](https://github.com/ocornut/imgui)
It enables ImGui to run in QOpenGLWidget / QOpenGLWindow.
[](https://gyazo.com/eb68699c96b9147cca3d5ea9fadfc263)
## How to use
* Add QtImGui sources and headers to your project
* If you are using git submodule, run `git submodule update --init --recursive` to ensure that the inner submodule is initialized as well.
* Add `include(path/to/qtimgui.pri)` to youre `.pro` file
* Subclass `QOpenGLWindow` or `QOpenGLWidget` and:
```cpp
class DemoWindow : public QOpenGLWindow
{
protected:
void initializeGL() override
{
QtImGui::initialize(this);
}
void paintGL() override
{
// you can do custom GL rendering as well in paintGL
QtImGui::newFrame();
ImGui::Text("Hello");
// more widgets...
ImGui::Render();
}
};
```
See [QOpenGLWidget example](demo-widget/demo-widget.cpp) and [QOpenGLWindow example](/demo-window/demo-window.cpp) for details.
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