---
name: Bug report
about: Create a report to help us improve FLTK
title: ''
labels: ''
assignees: ''

---

**Description of the Bug Report**
A clear and concise description of what the bug is.

**To Reproduce**
Please attach a self contained example that allows us to reproduce the problem.
Such an example typically consists of a single source file (e.g. `demo.cxx`) and
build instructions (e.g. `fltk-config --compile demo.cxx`). Alternatively, try
to reproduce the bug with one of the included test programs in the `test` or
`examples` folders. Add a description like this:

Steps to reproduce the behavior:
1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error: ...

**Expected behavior**
A clear and concise description of what you expected to happen.

**Screenshots**
If applicable, add screenshots to help explain your problem.

**FLTK Version**
Please complete the following information and delete non-applicable lines:
 - Version: [e.g. 1.4.0]
 - Installed as package from: [e.g. Debian 11.4 Bullseye]
 - Downloaded and self-built from: [e.g. Git, Snapshot and version, or tarball/zip]
 - If from Git, branch: [e.g. master, branch-1.3]
 - If from Git, commit: [e.g. 7d58e2385452]

**FLTK Configure / Build Options**
Please add the complete CMake and build command lines if you built FLTK yourself.
Please add all CMake options you changed by using CMake GUI tools (if any).
 - cmake -G"..." -D CMAKE_BUILD_TYPE=Debug ...

**Operating System / Platform:**
Please be as precise as possible, e.g. "Linux: Ubuntu 20.04"
 - OS: [e.g. Linux, macOS, Windows]
 - OS Version: [e.g. Ubuntu 20.04, macOS 12.6, Windows 11]
 - Processor if relevant [e.g. on macOS: M1, Intel]

**Linux/Unix Runtime, if applicable:**
 - Wayland
 - X11

**Additional context**
Add any other context about the problem here.