bookpage.hpp

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#ifndef MWGUI_BOOKPAGE_HPP
#define MWGUI_BOOKPAGE_HPP

#include "MyGUI_Colour.h"
#include "MyGUI_Widget.h"

#include <functional>
#include <stdint.h>
#include <boost/function.hpp>
#include <boost/shared_ptr.hpp>

namespace MWGui
{
    struct TypesetBook
    {
        typedef boost::shared_ptr <TypesetBook> Ptr;
        typedef intptr_t InteractiveId;

        virtual size_t pageCount () const = 0;

        virtual std::pair <unsigned int, unsigned int> getSize () const = 0;
    };

    struct BookTypesetter
    {
        typedef boost::shared_ptr <BookTypesetter> Ptr;
        typedef TypesetBook::InteractiveId InteractiveId;
        typedef MyGUI::Colour Colour;
        typedef uint8_t const * Utf8Point;
        typedef std::pair <Utf8Point, Utf8Point> Utf8Span;

        enum Alignment {
            AlignLeft   = -1,
            AlignCenter = 0,
            AlignRight  = +1
        };

        struct Style;

        static Ptr create (int pageWidth, int pageHeight);

        virtual Style* createStyle (char const * Font, Colour Colour) = 0;

        virtual Style* createHotStyle (Style * BaseStyle, Colour NormalColour, Colour HoverColour, Colour ActiveColour, InteractiveId Id, bool Unique = true) = 0;

        virtual void lineBreak (float margin = 0) = 0;

        virtual void sectionBreak (int margin = 0) = 0;

        virtual void setSectionAlignment (Alignment sectionAlignment) = 0;

        // Layout a block of text with the specified style into the document.
        virtual void write (Style * Style, Utf8Span Text) = 0;

        virtual intptr_t addContent (Utf8Span Text, bool Select = true) = 0;

        virtual void selectContent (intptr_t contentHandle) = 0;

        virtual void write (Style * Style, size_t Begin, size_t End) = 0;

        virtual TypesetBook::Ptr complete () = 0;
    };

    class BookPage : public MyGUI::Widget
    {
    MYGUI_RTTI_DERIVED(BookPage)
    public:

        typedef TypesetBook::InteractiveId InteractiveId;
        typedef boost::function <void (InteractiveId)> ClickCallback;

        virtual void showPage (TypesetBook::Ptr Book, size_t Page) = 0;

        virtual void adviseLinkClicked (ClickCallback callback) = 0;

        virtual void unadviseLinkClicked () = 0;

        static void registerMyGUIComponents ();
    };
}

#endif // MWGUI_BOOKPAGE_HPP