ASplitter.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/Util/ALayoutDirection.h>
#include <AUI/Layout/AVerticalLayout.h>
#include <AUI/Layout/AHorizontalLayout.h>
#include "AViewContainer.h"
#include "AHDividerView.h"
#include "AVDividerView.h"
#include "ASplitterHelper.h"
#include <AUI/View/ASpacerExpanding.h>
 
class API_AUI_VIEWS ASplitter: public AViewContainerBase
{
public:
    virtual ~ASplitter() = default;
 
    void onPointerPressed(const APointerPressedEvent& event) override;
 
    void onPointerMove(glm::vec2 pos, const APointerMoveEvent& event) override;
 
    void setSize(glm::ivec2 size) override;
 
    void onPointerReleased(const APointerReleasedEvent& event) override;
 
    void onClickPrevented() override;
 
    template<typename Layout>
    class Builder;
    using Vertical = Builder<AVerticalLayout>;
    using Horizontal = Builder<AHorizontalLayout>;
 
private:
    template<typename Layout>
    friend class Builder;
 
    ASplitterHelper mHelper;
 
    ASplitter();
 
};
 
template<typename Layout>
class ASplitter::Builder {
    friend class ASplitter;
private:
    AVector<_<AView>> mItems;
    glm::ivec2 mExpanding{};
 
public:
    Builder& withItems(AVector<_<AView>> items) {
        mItems = std::move(items);
        return *this;
    }
 
    Builder& withExpanding(glm::ivec2 expanding = { 2, 2 }) {
        mExpanding = expanding;
        return *this;
    }
 
    API_AUI_VIEWS _<AView> build();
 
    operator _<AView>() {
        return build();
    }
};