tb_style_edit_content.h

// ================================================================================
// ==      This file is a part of Turbo Badger. (C) 2011-2014, Emil Segerås      ==
// ==                     See tb_core.h for more information.                    ==
// ================================================================================

#ifndef TB_STYLE_EDIT_CONTENT_H
#define TB_STYLE_EDIT_CONTENT_H

#include "tb_core.h"

namespace tb {

class TBTextFragment;

class TBTextFragmentContent
{
public:
    virtual ~TBTextFragmentContent() {}

    virtual void UpdatePos(int /*x*/, int /*y*/) {}

    virtual void Paint(TBTextFragment * /*fragment*/, int32_t /*translate_x*/, int32_t /*translate_y*/, TBTextProps * /*props*/) {}
    virtual void Click(TBTextFragment * /*fragment*/, int /*button*/, uint32_t /*modifierkeys*/) {}
    virtual int32_t GetWidth(TBFontFace * /*font*/, TBTextFragment * /*fragment*/) { return 0; }
    virtual int32_t GetHeight(TBFontFace * /*font*/, TBTextFragment * /*fragment*/) { return 0; }
    virtual int32_t GetBaseline(TBFontFace * font, TBTextFragment * fragment) { return GetHeight(font, fragment); }
    virtual bool GetAllowBreakBefore() { return true; }
    virtual bool GetAllowBreakAfter() { return true; }

    virtual uint32_t GetType()      { return 0; }
};

class TBTextFragmentContentHR : public TBTextFragmentContent
{
public:
    TBTextFragmentContentHR(int32_t width_in_percent, int32_t height);

    virtual void Paint(TBTextFragment *fragment, int32_t translate_x, int32_t translate_y, TBTextProps *props);
    virtual int32_t GetWidth(TBFontFace *font, TBTextFragment *fragment);
    virtual int32_t GetHeight(TBFontFace *font, TBTextFragment *fragment);
private:
    int32_t width_in_percent, height;
};

class TBTextFragmentContentUnderline : public TBTextFragmentContent
{
public:
    TBTextFragmentContentUnderline() {}
    virtual void Paint(TBTextFragment *fragment, int32_t translate_x, int32_t translate_y, TBTextProps *props);
    virtual bool GetAllowBreakBefore() { return true; }
    virtual bool GetAllowBreakAfter() { return false; }
};

class TBTextFragmentContentTextColor : public TBTextFragmentContent
{
public:
    TBColor color;
    TBTextFragmentContentTextColor(const TBColor &color) : color(color) {}
    virtual void Paint(TBTextFragment *fragment, int32_t translate_x, int32_t translate_y, TBTextProps *props);
    virtual bool GetAllowBreakBefore() { return true; }
    virtual bool GetAllowBreakAfter() { return false; }
};

class TBTextFragmentContentTextSize : public TBTextFragmentContent
{
public:
    uint32_t _size;
    TBTextFragmentContentTextSize(uint32_t size) : _size(size) {}
    virtual void Paint(TBTextFragment *fragment, int32_t translate_x, int32_t translate_y, TBTextProps *props);
    //virtual int32_t GetHeight(TBFontFace * font, TBTextFragment * /*fragment*/);
    virtual bool GetAllowBreakBefore() { return true; }
    virtual bool GetAllowBreakAfter() { return false; }
};

class TBTextFragmentContentSuperscript : public TBTextFragmentContent
{
public:
    uint32_t _size;
    TBTextFragmentContentSuperscript() {}
    virtual void Paint(TBTextFragment *fragment, int32_t translate_x, int32_t translate_y, TBTextProps *props) {}
    //virtual int32_t GetHeight(TBFontFace * font, TBTextFragment * /*fragment*/);
};

class TBTextFragmentContentSubscript : public TBTextFragmentContent
{
public:
    uint32_t _size;
    TBTextFragmentContentSubscript() {}
    virtual void Paint(TBTextFragment *fragment, int32_t translate_x, int32_t translate_y, TBTextProps *props) {}
    //virtual int32_t GetHeight(TBFontFace * font, TBTextFragment * /*fragment*/);
};

class TBTextFragmentContentStylePop : public TBTextFragmentContent
{
public:
    virtual void Paint(TBTextFragment *fragment, int32_t translate_x, int32_t translate_y, TBTextProps *props);
    virtual bool GetAllowBreakBefore() { return false; }
    virtual bool GetAllowBreakAfter() { return true; }
};

} // namespace tb

#endif // TB_STYLE_EDIT_CONTENT_H