ANumberPicker.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2024 Alex2772 and Contributors
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
#pragma once
 
#include <AUI/Traits/values.h>
#include <AUI/Util/ADataBinding.h>
 
#include "AAbstractTextField.h"
#include "AViewContainer.h"

class API_AUI_VIEWS ANumberPicker : public AViewContainerBase {
private:
    class ANumberPickerField : public AAbstractTextField {
    private:
        ANumberPicker& mPicker;
 
    public:
        ANumberPickerField(::ANumberPicker& picker) : mPicker(picker) {}
 
        virtual ~ANumberPickerField() = default;
 
        void onKeyRepeat(AInput::Key key) override;
 
    protected:
        bool isValidText(const AString& text) override;
    };
 
    _<ANumberPickerField> mTextField;
 
    int64_t mMin = 0;
    int64_t mMax = 100;
 
public:
    ANumberPicker();

    auto value() const {
        return APropertyDef {
            this,
            &ANumberPicker::getValue,
            &ANumberPicker::setValue,
            valueChanging
        };
    }
 
    void setValue(int64_t v);
 
    int64_t getValue() const;
 
    void setSuffix(const AString& suffix);
 
    [[nodiscard]] const AString& text() const noexcept { return mTextField->text(); }
 
    void increase();
 
    void decrease();
 
    void changeBy(int64_t v);
 
    [[nodiscard]] int64_t getMin() const { return mMin; }
 
    [[nodiscard]] int64_t getMax() const { return mMax; }
 
    void setMin(int64_t min);
 
    void setMax(int64_t max);
 
signals:
    emits<int64_t> valueChanged;

    emits<int64_t> valueChanging;
};
 
namespace aui::impl {
    template<typename Num>
    struct ADataBindingDefaultNumberPicker {
    public:
        static auto property(const _<ANumberPicker>& view) {
            return view->value();
        }
        static void setup(const _<ANumberPicker>& view) {}
 
        static auto getGetter() { return &ANumberPicker::valueChanged; }
 
        static auto getSetter() { return &ANumberPicker::setValue; }
    };
 
    template <aui::arithmetic UnderlyingType, auto min, auto max>
        requires aui::convertible_to<decltype(min), UnderlyingType> &&
                 aui::convertible_to<decltype(max), UnderlyingType>
    struct ADataBindingRangedNumberPicker {
    public:
        static auto property(const _<ANumberPicker>& view) {
            return view->value();
        }
        static void setup(const _<ANumberPicker>& view) {
            view->setMin(aui::ranged_number<UnderlyingType, min, max>::MIN);
            view->setMax(aui::ranged_number<UnderlyingType, min, max>::MAX);
        }
 
        static auto getGetter() { return &ANumberPicker::valueChanged; }
 
        static auto getSetter() { return &ANumberPicker::setValue; }
    };
}   // namespace aui::impl
 
template<>
struct ADataBindingDefault<ANumberPicker, uint8_t> : aui::impl::ADataBindingDefaultNumberPicker<uint8_t> {
};
 
template<>
struct ADataBindingDefault<ANumberPicker, int8_t> : aui::impl::ADataBindingDefaultNumberPicker<int8_t> {
};
 
template<>
struct ADataBindingDefault<ANumberPicker, uint16_t> : aui::impl::ADataBindingDefaultNumberPicker<uint16_t> {
};
 
template<>
struct ADataBindingDefault<ANumberPicker, int16_t> : aui::impl::ADataBindingDefaultNumberPicker<int16_t> {
};
 
template<>
struct ADataBindingDefault<ANumberPicker, uint32_t> : aui::impl::ADataBindingDefaultNumberPicker<uint32_t> {
};
 
template<>
struct ADataBindingDefault<ANumberPicker, int32_t> : aui::impl::ADataBindingDefaultNumberPicker<int32_t> {
};
 
template<>
struct ADataBindingDefault<ANumberPicker, int64_t> : aui::impl::ADataBindingDefaultNumberPicker<int64_t> {
};
 
template <aui::arithmetic UnderlyingType, auto min, auto max>
    requires aui::convertible_to<decltype(min), UnderlyingType> && aui::convertible_to<decltype(max), UnderlyingType>
struct ADataBindingDefault<ANumberPicker, aui::ranged_number<UnderlyingType, min, max>>
  : aui::impl::ADataBindingRangedNumberPicker<UnderlyingType, min, max> {};