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C/C++ Users Group Library 1996 July
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C-C++ Users Group Library July 1996.iso
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vol_400
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429_01
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chess12
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chcharui.hpp
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C/C++ Source or Header
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1994-03-30
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3KB
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70 lines
#if !defined(CHCHARUI_HPP)
#define CHCHARUI_HPP
#include "misc.hpp"
#include "brdsize.hpp"
// middle layer of user interface
class CHESSCHARUSERIFACE
{
public:
// display empty chess board and empty message area
CLASSMEMBER void initScreen(void);
// show the abbreviation for a piece at a given location on
// the displayed chess board
CLASSMEMBER void showPiece(POSITION whereBoard, const char *abbrev);
// clear a displayed piece at a given location on the chess board
CLASSMEMBER void clearPiece(POSITION whereBoard);
// show a message in the message area of the screen. the
// parameter is a pointer to an array of pointers to strings.
// the function logically concatenates these strings into a
// single message string. the message is displayed left-justified
// in the message area. line-breaks are inserted as necessary in
// place of blanks in the logical message string.
CLASSMEMBER void showMessage(const char **textList);
// clear last message displayed
CLASSMEMBER void clearMessage(void);
// show a message and wait for the user to press a key in response.
// user may press a key corresponding to the list of characters
// specified by keyList, or the escape key. if the escape key is
// pressed the function returns FALSE. Otherwise, the function
// returns TRUE, and keyIndex is set to the index of character in
// keyList corresponding to the key pressed.
CLASSMEMBER BOOL showMessage
(
// same as textList parameter in first showMessage
const char **textList,
// list of accepted character keys. if null, any key is
// accepted.
const char *keyList,
// if not null, pointer to variable to set to the index of
// the key pressed
uint *keyIndex
);
// display a message, then let the user select a position on the
// chess board. if the user pressed the escape key, the function
// returns FALSE. Otherwise the function returns TRUE, and the
// selected position is returned in whereBoard.
CLASSMEMBER BOOL selectPosition
(
const char **textList,
POSITION &whereBoard
);
// highlights a position on the board
CLASSMEMBER void setSelect(POSITION whereBoard);
// clears highlight of a position on the board
CLASSMEMBER void clearSelect(POSITION whereBoard);
};
// only instance of this class
extern CHESSCHARUSERIFACE ChessCharUI;
#endif