Erste Version

README.md

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+# BareCode
+
+A modular code editor built with **C++17**, **Qt6**, and **CMake**.  
+Designed to compile cleanly on **Linux** and **Windows**.
+
+---
+
+## Features (v1.0)
+
+| Feature | Details |
+|---|---|
+| Project tree | Left panel — shows only the selected project directory |
+| Tabbed editor | Open multiple files simultaneously; tabs are movable and closable |
+| Syntax highlighting | C / C++ (extensible via `HighlighterFactory`) |
+| Line numbers | Painted in a dedicated gutter |
+| Auto-indent | Preserves indentation level on Enter |
+| Tab → spaces | Configurable; jumps to next tab stop |
+| Persistent settings | Window geometry, font, tab size, last project (INI file) |
+
+---
+
+## Project Structure
+
+```
+BareCode/
+├── CMakeLists.txt          # Top-level build
+├── main.cpp
+├── resources/
+│   └── resources.qrc
+└── src/
+    ├── core/               # MainWindow, ProjectManager, Settings, IPlugin
+    ├── editor/             # EditorPanel, EditorTab, CodeEditor, LineNumberArea
+    ├── filetree/           # FileTreePanel
+    └── highlighter/        # SyntaxHighlighter, CppHighlighter, HighlighterFactory
+```
+
+Each subdirectory compiles into its own **static library**, keeping modules independent.
+
+---
+
+## Building
+
+### Prerequisites
+
+- CMake ≥ 3.16
+- Qt6 (Widgets module)
+- A C++17-capable compiler (GCC, Clang, MSVC)
+
+### Linux
+
+```bash
+cmake -B build -DCMAKE_BUILD_TYPE=Release
+cmake --build build -j$(nproc)
+./build/BareCode
+```
+
+### Windows (Visual Studio)
+
+```bat
+cmake -B build -G "Visual Studio 17 2022" -A x64
+cmake --build build --config Release
+build\Release\BareCode.exe
+```
+
+### Windows (MinGW)
+
+```bat
+cmake -B build -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Release
+cmake --build build
+build\BareCode.exe
+```
+
+---
+
+## Extending BareCode
+
+### Adding a new syntax highlighter
+
+1. Create a subclass of `SyntaxHighlighter` in `src/highlighter/`.
+2. Populate `m_rules` in the constructor (see `CppHighlighter` as a template).
+3. Register the file extension(s) in `HighlighterFactory.cpp`.
+
+No other files need to change.
+
+### Adding a new panel / plugin
+
+1. Implement the `IPlugin` interface from `src/core/IPlugin.h`.
+2. Create a `QWidget`-derived class for the UI.
+3. Instantiate and wire it up in `MainWindow`.
+
+---
+
+## Code Style
+
+All code uses **Allman brace style** and C++17 throughout.