jot: alert_box.H Source File

00001 #ifndef ALERT_BOX_H_INCLUDED
00002 #define ALERT_BOX_H_INCLUDED
00003 
00004 #include "std/support.H"
00005 
00006 /*****************************************************************
00007  * AlertBox
00008  *****************************************************************/
00009 
00010 class AlertBox
00011 {
00012  public :    
00013    /******** ENUMS ********/
00014    enum icon_t {
00015       NO_ICON = -1,
00016       JOT_ICON = 0,
00017       INFO_ICON,
00018       QUESTION_ICON,
00019       EXCLAMATION_ICON,
00020       WARNING_ICON,
00021       ICON_NUM
00022    };
00023 
00024    /******** DATA TYPES ********/
00025    typedef void (*alert_cb_t) (void *,void *,int,int);
00026 
00027  protected:
00028    /******** STATIC MEMBER VARIABLES ********/
00029 
00030  public :    
00031    /******** STATIC MEMBER METHODS ********/
00032 
00033  protected:
00034    /******** MEMBER VARIABLES ********/
00035      
00036    str_ptr     _title;
00037 
00038    str_list    _text;
00039    str_list    _buttons;
00040 
00041    int         _default;
00042 
00043    icon_t      _icon;
00044 
00045    /******** CONSTRUCTOR/DECONSTRUCTOR *******/
00046  public:
00047     AlertBox() : _title(""), _default(-1), _icon(NO_ICON) { }
00048     virtual ~AlertBox() {}
00049    
00050    /******** MEMBER METHODS ********/
00051 
00052    virtual bool      set_title(Cstr_ptr &s)  { if (is_displaying()) return false; _title = s;      return true; }
00053    virtual bool      set_icon(icon_t i)      { if (is_displaying()) return false; _icon = i;       return true; }
00054    virtual bool      set_default(int d)      { if (is_displaying()) return false; _default = d;    return true; }
00055    virtual bool      add_button(Cstr_ptr &s) { if (is_displaying()) return false; _buttons.add(s); return true; }
00056    virtual bool      add_text(Cstr_ptr &s)   { if (is_displaying()) return false; _text.add(s);    return true; }
00057    
00058    virtual bool      clear_title()           { if (is_displaying()) return false; _title = "";        return true; }
00059    virtual bool      clear_icon()            { if (is_displaying()) return false; _icon = NO_ICON;    return true; }
00060    virtual bool      clear_default()         { if (is_displaying()) return false; _default = -1;      return true; }
00061    virtual bool      clear_buttons()         { if (is_displaying()) return false; _buttons.clear();   return true; } 
00062    virtual bool      clear_text()            { if (is_displaying()) return false; _text.clear();      return true; }
00063 
00064    virtual str_ptr   get_title()             { return _title;     }
00065    virtual icon_t    get_icon()              { return _icon;      }
00066    virtual int       get_default()           { return _default;   }
00067    virtual str_list  get_buttons()           { return _buttons;   }
00068    virtual str_list  get_text()              { return _text;      }
00069 
00070    /******** PURE VIRTUAL METHODS ********/
00071  public:
00072    virtual bool      is_displaying() = 0;
00073    virtual bool      display(bool blocking, alert_cb_t cb, void *vp, void *vpd, int idx) = 0;
00074  protected:
00075    virtual bool      undisplay(int button) = 0;
00076 
00077 };
00078 
00079 #endif