Blackboard.h

   1 /*
   2  *  Blackboard.h
   3  *  openc2e
   4  *
   5  *  Created by Alyssa Milburn on Sat Jan 12 2008.
   6  *  Copyright (c) 2008 Alyssa Milburn. All rights reserved.
   7  *
   8  *  This library is free software; you can redistribute it and/or
   9  *  modify it under the terms of the GNU Lesser General Public
  10  *  License as published by the Free Software Foundation; either
  11  *  version 2 of the License, or (at your option) any later version.
  12  *
  13  *  This library is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  *  Lesser General Public License for more details.
  17  *
  18  */
  19
  20 #include "CompoundAgent.h"
  21
  22 #ifndef _C2E_BLACKBOARD_H
  23 #define _C2E_BLACKBOARD_H
  24
  25 class Blackboard : public CompoundAgent {
  26         friend class BlackboardPart;
  27
  28 protected:
  29         class BlackboardPart *ourPart;
  30
  31         // configuration
  32         unsigned int textx, texty;
  33         unsigned int backgroundcolour, chalkcolour, aliascolour;
  34
  35         // state
  36         std::vector<std::pair<unsigned int, std::string> > strings;
  37         std::string currenttext;
  38         bool editing;
  39         unsigned int editingindex;
  40
  41         void renderText(class Surface *renderer, int xoffset, int yoffset);
  42         std::string getText();
  43
  44         void startEditing();
  45         void stopEditing(bool losingfocus);
  46
  47 public:
  48         Blackboard(std::string spritefile, unsigned int firstimage, unsigned int imagecount,
  49                 unsigned int tx, unsigned int ty, unsigned int bgcolour, unsigned int ckcolour,
  50                 unsigned int alcolour);
  51
  52         void addBlackboardString(unsigned int n, unsigned int id, std::string text);
  53         void showText(bool show);
  54
  55         void addPart(CompoundPart *); // override
  56         class BlackboardPart *getBlackboardPart() { return ourPart; }
  57
  58         void broadcast(bool audible);
  59 };
  60
  61 class BlackboardPart : public CompoundPart {
  62         friend class Blackboard;
  63
  64 protected:
  65         BlackboardPart(Blackboard *p, unsigned int _id);
  66
  67 public:
  68         void partRender(class Surface *renderer, int xoffset, int yoffset);
  69         unsigned int getWidth() { return 0; }
  70         unsigned int getHeight() { return 0; }
  71
  72         bool canGainFocus() { return true; }
  73         void gainFocus();
  74         void loseFocus();
  75         void handleKey(char c);
  76         void handleSpecialKey(char c);
  77 };
  78
  79 #endif
  80 /* vim: set noet: */