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choice_box.h

Go to the documentation of this file.

// Author:  Daniel Albuschat ( daniel@viming.de ) 
// File:    choice_box.h
// Date:    Mon May 12 15:26:35 20030
// Content:  

#ifndef CHOICE_BOX_H_1109457361
#define CHOICE_BOX_H_1109457361
#include "base_control.h"
#include <vector>
#include <string>

namespace crs {

  template< typename T > class choice_box: public focused_ctrl, public styled_ctrl {
    public:
      struct items {
        std::string text;
        T           value;
        items( const std::string Text, const T Value ):
          text(Text), value(Value) {
          }
      };
    private:
      std::vector< items > mList;
      std::vector< items > foo;
      typename std::vector< items >::iterator selected;
      const std::vector<items> &getList() {
        return mList;
      }
      void setList( const std::vector<items> &new_list ) {
        mList = new_list;
      }
    public:
      choice_box( base_control *Parent, std::vector<items> List, window_events *Events=0, const unsigned int Left=0, const unsigned int Top=0,
          const unsigned int Width=0, style::styles Style = style::rect ):
        focused_ctrl( Parent, Events, Left, Top, Width, 1 ),
      styled_ctrl( Style ),
      mList( List ),
      selected( mList.begin() ),
      list( this, &choice_box::getList, &choice_box::setList ) {
        selected = mList.begin();
      }
      property< choice_box<T>, read_write, std::vector<items> > list;
      virtual void draw() {
        buffer.fill( ' ' );
        if( selected != mList.end() )
          buffer.setText( selected->text, 1, 0 );
        buffer[ 0 ] = sc::getLeftBorder( mStyle, custom_left_border );
        buffer[ mWidth - 2 ] = 'v';
        buffer[ mWidth - 1 ] = sc::getRightBorder( mStyle, custom_right_border );
      }
      virtual bool keyPress( const int key ) {
        if( key == KEY_DOWN )
          if( selected != mList.end()-1 )
            selected++;
        if( key == KEY_UP )
          if( selected != mList.begin() )
            selected--;
        return true;
      }
  };

}

#endif

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