GuiTextLayout.h

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// Copyright © 2008-2021 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef _GUITEXTLAYOUT_H
#define _GUITEXTLAYOUT_H
 
#include "text/TextureFont.h"
 
namespace Graphics {
    class Vertexbuffer;
}
 
namespace Gui {
    class TextLayout {
    public:
        enum ColourMarkupMode {
            ColourMarkupNone, // treats markup as normal text
            ColourMarkupSkip, // skips markup tags
            ColourMarkupUse // interprets markup tags
        };
        explicit TextLayout(const char *_str, RefCountedPtr<Text::TextureFont> font = RefCountedPtr<Text::TextureFont>(0), ColourMarkupMode markup = ColourMarkupUse);
        void Render(const float layoutWidth, const Color &color = Color::WHITE) const;
        void Update(const float layoutWidth, const Color &color = Color::WHITE);
        void SetText(const char *_str);
        void MeasureSize(const float layoutWidth, float outSize[2]) const;
        void _MeasureSizeRaw(const float layoutWidth, float outSize[2]) const;
        void SetJustified(bool v) { m_justify = v; }
 
    private:
        struct word_t {
            const char *word;
            const float advx;
            word_t(const char *_word, const float _advx) :
                word(_word),
                advx(_advx) {}
        };
        std::list<word_t> words;
        std::string str;
        bool m_justify;
        ColourMarkupMode m_colourMarkup;
 
        float prevWidth;
        Color prevColor;
 
        RefCountedPtr<Text::TextureFont> m_font;
        RefCountedPtr<Graphics::VertexBuffer> m_vbuffer;
    };
} // namespace Gui
 
#endif /* _GUITEXTLAYOUT_H */