PickLine.h

   1 /*
   2  * Copyright (c) 2002 Robert Collins.
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     A copy of the GNU General Public License can be found at
  10  *     http://www.gnu.org/
  11  *
  12  * Written by Robert Collins <robertc@hotmail.com>
  13  *
  14  */
  15
  16 #ifndef _PICKLINE_H_
  17 #define _PICKLINE_H_
  18
  19 #include "win32.h"
  20
  21 class PickLine
  22 {
  23 public:
  24   virtual void paint (HDC hdc, int x, int y, int row, int show_cat) = 0;
  25   virtual int click (int const myrow, int const ClickedRow, int const x) = 0;
  26   virtual int itemcount () const = 0;
  27   // this may indicate bad inheritance model.
  28   virtual bool IsContainer (void) const = 0;
  29   virtual void insert (PickLine &) = 0;
  30   // Never allocate to key, always allocated elsewhere
  31   char const *key;
  32   virtual ~ PickLine ()
  33   {
  34   };
  35 protected:
  36   PickLine ()
  37   {
  38   };
  39   PickLine (char const *aKey):key (aKey)
  40   {
  41   };
  42   PickLine (PickLine const &);
  43   PickLine & operator= (PickLine const &);
  44 };
  45
  46 #endif // _PICKLINE_H_