1993-03-21 12:45:37 +03:00
|
|
|
|
/*-
|
|
|
|
|
|
* Copyright (c) 1988 The Regents of the University of California.
|
|
|
|
|
|
* All rights reserved.
|
|
|
|
|
|
*
|
|
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
|
|
* are met:
|
|
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
|
|
|
|
* must display the following acknowledgement:
|
|
|
|
|
|
* This product includes software developed by the University of
|
|
|
|
|
|
* California, Berkeley and its contributors.
|
|
|
|
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
|
|
|
|
* may be used to endorse or promote products derived from this software
|
|
|
|
|
|
* without specific prior written permission.
|
|
|
|
|
|
*
|
|
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
|
|
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
|
|
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
|
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
|
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
|
|
* SUCH DAMAGE.
|
|
|
|
|
|
*
|
1993-08-01 21:54:45 +04:00
|
|
|
|
* from: @(#)screen.h 4.3 (Berkeley) 4/26/91
|
|
|
|
|
|
* $Id: screen.h,v 1.2 1993/08/01 18:05:37 mycroft Exp $
|
1993-03-21 12:45:37 +03:00
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
#define INCLUDED_SCREEN
|
|
|
|
|
|
|
|
|
|
|
|
/* defines and defines to describe how to deal with the screen */
|
|
|
|
|
|
|
|
|
|
|
|
#if !defined(MSDOS)
|
|
|
|
|
|
#define MAXNUMBERLINES 43 /* 3278-4 */
|
|
|
|
|
|
#define MAXNUMBERCOLUMNS 132 /* 3278-5 */
|
|
|
|
|
|
#define MAXSCREENSIZE 3564 /* (27*132) 3278-5 */
|
|
|
|
|
|
#else /* !defined(MSDOS) */ /* MSDOS has memory constraints */
|
|
|
|
|
|
#define MAXNUMBERLINES 25 /* XXX */
|
|
|
|
|
|
#define MAXNUMBERCOLUMNS 80
|
|
|
|
|
|
#define MAXSCREENSIZE (MAXNUMBERLINES*MAXNUMBERCOLUMNS)
|
|
|
|
|
|
#endif /* !defined(MSDOS) */ /* MSDOS has memory constraints */
|
|
|
|
|
|
#define LowestScreen() 0
|
|
|
|
|
|
#define HighestScreen() (ScreenSize-1)
|
|
|
|
|
|
|
|
|
|
|
|
#define ScreenLineOffset(x) ((x)%NumberColumns)
|
|
|
|
|
|
#define ScreenLine(x) ((int)((x)/NumberColumns))
|
|
|
|
|
|
#define ScreenInc(x) (((x)==HighestScreen())? LowestScreen():x+1)
|
|
|
|
|
|
#define ScreenDec(x) (((x)==LowestScreen())? HighestScreen():x-1)
|
|
|
|
|
|
#define ScreenUp(x) (((x)+(ScreenSize-NumberColumns))%ScreenSize)
|
|
|
|
|
|
#define ScreenDown(x) (((x)+NumberColumns)%ScreenSize)
|
|
|
|
|
|
#define IsOrder(x) (Orders[x])
|
|
|
|
|
|
#define BAIC(x) ((x)&0x3f)
|
|
|
|
|
|
#define CIAB(x) (CIABuffer[(x)&0x3f])
|
|
|
|
|
|
#define BufferTo3270_0(x) (CIABuffer[(int)((x)/0x40)])
|
|
|
|
|
|
#define BufferTo3270_1(x) (CIABuffer[(x)&0x3f])
|
|
|
|
|
|
#define Addr3270(x,y) (BAIC(x)*64+BAIC(y))
|
|
|
|
|
|
#define SetBufferAddress(x,y) ((x)*NumberColumns+(y))
|
|
|
|
|
|
|
|
|
|
|
|
/* These know how fields are implemented... */
|
|
|
|
|
|
|
|
|
|
|
|
#define WhereAttrByte(p) (IsStartField(p)? p: FieldDec(p))
|
|
|
|
|
|
#define WhereHighByte(p) ScreenDec(FieldInc(p))
|
|
|
|
|
|
#define WhereLowByte(p) ScreenInc(WhereAttrByte(p))
|
|
|
|
|
|
#define FieldAttributes(x) (IsStartField(x)? GetHost(x) : \
|
|
|
|
|
|
GetHost(WhereAttrByte(x)))
|
|
|
|
|
|
#define FieldAttributesPointer(p) (IsStartFieldPointer(p)? \
|
|
|
|
|
|
GetHostPointer(p): \
|
|
|
|
|
|
GetHost(WhereAttrByte((p)-&Host[0])))
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
|
* The MDT functions need to protect against the case where the screen
|
|
|
|
|
|
* is unformatted (sigh).
|
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
/* Turn off the Modified Data Tag */
|
|
|
|
|
|
#define TurnOffMdt(x) \
|
|
|
|
|
|
if (HasMdt(WhereAttrByte(x))) { \
|
|
|
|
|
|
ModifyMdt(x, 0); \
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* Turn on the Modified Data Tag */
|
|
|
|
|
|
#define TurnOnMdt(x) \
|
|
|
|
|
|
if (!HasMdt(WhereAttrByte(x))) { \
|
|
|
|
|
|
ModifyMdt(x, 1); \
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* If this location has the MDT bit turned on (implies start of field) ... */
|
|
|
|
|
|
#define HasMdt(x) \
|
|
|
|
|
|
((GetHost(x)&(ATTR_MDT|ATTR_MASK)) == (ATTR_MDT|ATTR_MASK))
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
|
* Is the screen formatted? Some algorithms change depending
|
|
|
|
|
|
* on whether there are any attribute bytes lying around.
|
|
|
|
|
|
*/
|
|
|
|
|
|
#define FormattedScreen() \
|
|
|
|
|
|
((WhereAttrByte(0) != 0) || ((GetHost(0)&ATTR_MASK) == ATTR_MASK))
|
|
|
|
|
|
|
|
|
|
|
|
/* field starts here */
|
|
|
|
|
|
#define IsStartField(x) ((GetHost(x)&ATTR_MASK) == ATTR_MASK)
|
|
|
|
|
|
#define IsStartFieldPointer(p) ((GetHostPointer(p)&ATTR_MASK) == ATTR_MASK)
|
|
|
|
|
|
|
|
|
|
|
|
#define NewField(p,a) SetHost(p, (a)|ATTR_MASK)
|
|
|
|
|
|
#define DeleteField(p) SetHost(p, 0)
|
|
|
|
|
|
#define DeleteAllFields()
|
|
|
|
|
|
|
|
|
|
|
|
/* The following are independent of the implementation of fields */
|
|
|
|
|
|
#define IsProtectedAttr(p,a) (IsStartField(p) || ((a)&ATTR_PROT))
|
|
|
|
|
|
#define IsProtected(p) IsProtectedAttr(p,FieldAttributes(p))
|
|
|
|
|
|
|
|
|
|
|
|
#define IsUnProtected(x) (!IsProtected(x))
|
|
|
|
|
|
|
|
|
|
|
|
#define IsAutoSkip(x) (FieldAttributes(x)&ATTR_AUTO_SKIP)
|
|
|
|
|
|
|
|
|
|
|
|
#define IsNonDisplayAttr(c) (((c)&ATTR_DSPD_MASK) == ATTR_DSPD_NONDISPLAY)
|
|
|
|
|
|
#define IsNonDisplay(p) IsNonDisplayAttr(FieldAttributes(p))
|
|
|
|
|
|
|
|
|
|
|
|
#define IsHighlightedAttr(c) \
|
|
|
|
|
|
(((c)&ATTR_DSPD_MASK) == ATTR_DSPD_HIGH)
|
|
|
|
|
|
#define IsHighlighted(p) \
|
|
|
|
|
|
(IsHighlightedAttr(FieldAttributes(p)) && !IsStartField(p))
|
|
|
|
|
|
|
|
|
|
|
|
typedef unsigned char ScreenImage;
|
|
|
|
|
|
|
|
|
|
|
|
extern int
|
|
|
|
|
|
FieldFind();
|
|
|
|
|
|
|
|
|
|
|
|
extern char
|
|
|
|
|
|
CIABuffer[];
|
|
|
|
|
|
|
|
|
|
|
|
#define GetGeneric(i,h) (h)[i]
|
|
|
|
|
|
#define GetGenericPointer(p) (*(p))
|
|
|
|
|
|
#define SetGeneric(i,c,h) ((h)[i] = (c))
|
|
|
|
|
|
#define ModifyGeneric(i,what,h) {(h)[i] what;}
|
|
|
|
|
|
|
|
|
|
|
|
#define GetHost(i) GetGeneric(i,Host)
|
|
|
|
|
|
#define GetHostPointer(p) GetGenericPointer(p)
|
|
|
|
|
|
#define SetHost(i,c) SetGeneric(i,c,Host)
|
|
|
|
|
|
#define ModifyHost(i,what) ModifyGeneric(i,what,Host)
|
