scrollinglabel.h

/***************************************************************************
                          scrollinglabel.h  -  description
                             -------------------
    begin                : Thu Aug 28 2003
    copyright            : (C) 2003 by Gabor Torok
    email                : cctorok@yahoo.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 SCROLLING_LABEL_H
#define SCROLLING_LABEL_H

#include "../constants.h"
#include "widget.h"
#include "button.h"
#include "window.h"
#include "draganddrop.h"
#include <vector>

using namespace std;

class WordClickedHandler {
public:
        WordClickedHandler() {
  }

        virtual ~WordClickedHandler() {
  }

  virtual void wordClicked( char *word ) = 0;
  virtual void showingWord( char *word ) = 0;
};

class ScrollingLabel : public Widget {
 protected:
  char text[3000];
  int lineWidth;
  vector<string> lines;

  //  int count;
  //  const char **list;
  //  const Color *colors;
  //  const GLuint *icons;
  int value;
  int scrollerWidth, scrollerHeight;
  int listHeight;
  bool willSetScrollerHeight;
  float alpha, alphaInc;
  GLint lastTick;
  bool inside;
  int scrollerY;
  bool dragging;
  int dragX, dragY;
  int selectedLine;
  //  DragAndDropHandler *dragAndDropHandler;
  bool innerDrag;
  int innerDragX, innerDragY;
  //  bool highlightBorders;
  // GLuint highlight;
  bool canGetFocusVar;

  map<char, Color> coloring;

  typedef struct _WordPos {
    int x, y, w, h;
    char word[255];
  } WordPos;
  WordPos wordPos[1000];
  int wordPosCount;
  WordClickedHandler *handler;

 public: 

   bool debug;

   ScrollingLabel(int x, int y, int w, int h, char *text );
   virtual ~ScrollingLabel();

   inline void setWordClickedHandler( WordClickedHandler *handler ) { this->handler = handler; }

   inline void addColoring( char c, Color color ) { coloring[c]=color; }

   inline char *getText() { return text; }
   void setText(char *s);

   //  inline int getLineCount() { return count; }
   //  void setLines(int count, const char *s[], const Color *colors=NULL, const GLuint *icon=NULL);
   //  inline const char *getLine(int index) { return list[index]; }

   //  inline int getSelectedLine() { return selectedLine; }
   //  void setSelectedLine(int n);

  void drawWidget(Widget *parent);

  bool handleEvent(Widget *parent, SDL_Event *event, int x, int y);

  void removeEffects(Widget *parent);

  // don't play sound when the value changes
  virtual inline bool hasSound() { return false; }

  inline bool canGetFocus() { return canGetFocusVar; }
  inline void setCanGetFocus(bool b) { this->canGetFocusVar = b; }

 private:
   char *printLine( Widget *parent, int x, int y, char *s );
   int getWordPos( int x, int y );
  //  void selectLine(int x, int y);
  //  void drawIcon( int x, int y, GLuint icon );
};

#endif

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