dlgbutn.h

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C头文件 代码 · 共 41 行

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*
*                            Open Watcom Project
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*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*    This file contains Original Code and/or Modifications of Original
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* Description:  WHEN YOU FIGURE OUT WHAT THIS MODULE DOES, PLEASE
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//
// used to evenly space n buttons on the botton of a dialog box
//
#define BUTTON_GAP( c, o, w, i ) ( ( (c)-(o)*(w) - 2*(i) ) / ( (o)-1 ) )
#define BUTTON_POS( num, of, cols, bwidth ) \
    ( of == 1 ?  \
        (cols - bwidth)/2 : \
        ( 3 + (num-1) * ( bwidth + BUTTON_GAP( cols, of, bwidth, 3 ) ) ) )