Is your feature request related to a problem? Please describe

No, it is not related to a problem.

Describe your feature request!

I’d like Butterfly to support fully customizable keyboard shortcuts and “press and hold” style shortcuts for canvas navigation and tools.

Concretely:

1. Let users remap existing keyboard shortcuts.

2. Allow binding keys directly to tools or actions, even if those tools are not on the toolbar.

3. Add support for “press and hold” shortcuts, for example:

• Hold a key to temporarily use the Hand tool (pan).
• Hold a key and drag the pen up/down to zoom in/out.
• Hold a key to temporarily use the eraser.
• Press a key to switch to lasso / selection.

These changes would make Butterfly much more powerful for pen-tablet users who rely on keyboard + pen workflows.

Additional context

Additional context about my workflow:

I use a pen tablet on my right hand and keep my left hand on the keyboard all the time. I constantly use shortcuts while drawing (pan, zoom, erase, change tool, change brush size, etc.).

I come from using Concepts on Windows, where this workflow works very well, but I want to move my setup to Linux and have a cross-platform solution. Among the applications I’ve tested, Butterfly clearly stands out, but the current fixed keyboard shortcuts and lack of “press and hold” behaviour make it difficult to use Butterfly efficiently with a keyboard + pen tablet setup on desktop.

Thank you very much for your amazing work with this project.

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