UX improvement: when run on empty kicad_pcb file display clear error message

adamws / kicad-kbplacer

KiCad plugin for automatic keyboard's key placement and routing

GNU General Public License v3.0

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UX improvement: when run on empty kicad_pcb file display clear error message #27

Closed adamws closed 4 months ago

adamws commented 4 months ago

Some people may assume that this plugin adds footprints and may run it with empty kicad pcb file. When this happens, plugin crashes and displays stacktrace - display clear error message instead.