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/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef textrendererH
#define textrendererH
#include <list>
#include <pgscrollwidget.h>
#include "../global.h"
#include "../ascstring.h"
#include "../paradialog.h"
class TextRenderer : public PG_ScrollWidget {
struct RenderingAttribute {
RenderingAttribute() : spaceAfter(0), baseline(0),vspace(0), linebreak(false),absolutePosition(-1),firstLineIndent(-1), furtherLineIndent(-1) {};
int spaceAfter;
int baseline;
int vspace;
bool linebreak;
int absolutePosition;
int firstLineIndent;
int furtherLineIndent;
};
struct TextAttributes {
TextAttributes() : fontsize(12), textcolor(-1), backgroundcolor(-1) {};
int fontsize;
int textcolor;
int backgroundcolor;
void assign ( PG_Widget* w );
};
TextAttributes textAttributes;
typedef std::map<PG_Widget*,RenderingAttribute> Attributes;
Attributes attributes;
public:
typedef list<PG_Widget*> Widgets;
private:
Widgets widgets;
PG_Widget* lastWidget;
ASCString my_text;
static const int scrollsize = 40;
protected:
bool isSpace( ASCString::charT character )
{
return character == ' ' || character == '\n' || character=='\r' || character == '\t';
}
bool isBreaker( ASCString::charT character )
{
return character == ':' || character == ',' || character=='.' || character == ';' || character == '-';
}
int arrangeLine( int y, const Widgets& line, int lineHeight, int indent );
int AreaWidth();
void layout();
void addWidget( PG_Widget* w );
void addWidget( Widgets w );
void addSpace( int space );
void addLinebreak( int pixel, int lines );
void addIndentation( int firstLine, int furtherLines );
void addAbsPosition( int pos );
ASCString substr( const ASCString& text, ASCString::const_iterator begin, ASCString::const_iterator end );
ASCString::const_iterator token ( const ASCString& text, ASCString::const_iterator start );
ASCString::const_iterator token_command ( const ASCString& text, ASCString::const_iterator start );
void parse( const ASCString& text );
virtual PG_Widget* render( const ASCString& token );
virtual Widgets eval_command( const ASCString& token );
bool eventKeyDown(const SDL_KeyboardEvent* key);
void clear();
public:
TextRenderer (PG_Widget *parent, const PG_Rect &r, const std::string& text, const std::string &style="ScrollWidget");
TextRenderer (PG_Widget *parent, const PG_Rect &r=PG_Rect::null );
void SetText( const std::string& text );
void saveText( bool stripFormatting );
PG_Widget* parsingError( const ASCString& errorMessage );
class TagRenderer {
public:
virtual bool renderWidget( const ASCString& tag, Widgets& widgets, TextRenderer* parent ) = 0;
virtual ~TagRenderer() {};
};
static bool registerTagRenderer ( TagRenderer* renderer );
};
class ViewFormattedText : public ASC_PG_Dialog {
protected:
bool eventKeyDown(const SDL_KeyboardEvent* key);
public:
ViewFormattedText( const ASCString& title, const ASCString& text, const PG_Rect& pos );
};
#endif
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