guiScrollContainer.h

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// Luanti
// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (C) 2020 DS
 
#pragma once
 
#include "irrlichttypes_extrabloated.h"
#include "util/string.h"
#include "guiScrollBar.h"
 
class GUIScrollContainer : public gui::IGUIElement
{
public:
        GUIScrollContainer(gui::IGUIEnvironment *env, gui::IGUIElement *parent, s32 id,
                        const core::rect<s32> &rectangle, const std::string &orientation,
                        f32 scrollfactor);
 
        virtual bool OnEvent(const SEvent &event) override;
 
        virtual void draw() override;
 
        inline void setContentPadding(std::optional<s32> padding)
        {
                m_content_padding_px = padding;
        }
        inline void setContentPadding(std::optional<s32> padding) {…}
 
        inline void onScrollEvent(gui::IGUIElement *caller)
        {
                if (caller == m_scrollbar)
                        updateScrolling();
        }
        inline void onScrollEvent(gui::IGUIElement *caller) {…}
 
        void setScrollBar(GUIScrollBar *scrollbar);
 
private:
        enum OrientationEnum
        {
                VERTICAL,
                HORIZONTAL,
                UNDEFINED
        };
        enum OrientationEnum {…};
 
        GUIScrollBar *m_scrollbar;
        OrientationEnum m_orientation;
        f32 m_scrollfactor; //< scrollbar pos * scrollfactor = scroll offset in pixels
        std::optional<s32> m_content_padding_px; //< in pixels
 
        void updateScrolling();
};
class GUIScrollContainer : public gui::IGUIElement {…};