Method getKeyForAction

src/visualizer/input/input_bindings.cpp:825–834

    }

    int InputBindings::getKeyForAction(Action action, ToolMode mode) const {
        const auto trigger = getEffectiveTriggerForAction(action, mode);
        if (!trigger)
            return -1;

        if (const auto* key_trigger = std::get_if<KeyTrigger>(&*trigger)) {
            return key_trigger->key;
        }
        return -1;
    }

    void InputBindings::setBinding(ToolMode mode, Action action, const InputTrigger& trigger) {
        std::erase_if(bindings_, [mode, action](const Binding& b) {