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EUI-NEO is a cross-platform, high-performance, low-overhead C++17 UI framework built on OpenGL and GLFW, ready to use out of the box.

Requirements:

• CMake 3.14+
• A C++17 compiler
• OpenGL
• Network access for CMake to fetch GLFW and glad

Windows / PowerShell example:

cmake -S . -B build
cmake --build build --config Release
.\build\Release\gallery.exe

The project creates one executable for each app/*.cpp page source, such as gallery and demo. After build, assets/ is copied next to the executable automatically.

app/          Page entry points and gallery examples
assets/       Runtime assets: fonts, PNG, SVG, and icons
components/   Reusable UI components built on top of the DSL
core/         DSL, Runtime, primitives, text, image, network, and platform code
docs/         Implementation notes and API documentation
3rd/          Third-party single-file dependencies

• DSL Design And Current Implementation
• Components
• Primitives And Text
• Layout
• Events
• Animation
• Rendering Pipeline
• Images
• Network
• Window And Pages

components/components.h exports the current component layer:

• Basic wrappers: panel, text / label, image, theme
• Controls: button, checkbox, radio, toggleSwitch, progress, slider, input, segmented, tabs, scroll
• Popups and feedback: dialog, toast, contextMenu, dropdown
• Pickers: datepicker, timepicker, colorpicker
• Data display: dataTable / datatable
• Charts: linechart / lineChart, barchart / barChart, piechart / pieChart

Components only compose DSL trees. They do not own OpenGL primitives directly. Business state stays in the page or application layer: pass the current value into the builder, then write the next value back from callbacks.