/* Tabs.C extra mince commands to set and clear tab stops at irregular
   intervals. Contributed to AUG by Mark of the Unicorn 07/20/81 */

/* BINDINGS.C - Set up the key bindings for Mince

The seller of this software hereby disclaims any and all
guarantees and warranties, both express and implied.  No
liability of any form shall be assumed by the seller, nor shall
direct, consequential, or other damages be assumed by the seller.
Any user of this software uses it at his or her own risk.

Due to the ill-defined nature of "fitness for purpose" or similar
types of guarantees for this type of product, no fitness for any
purpose whatsoever is claimed or implied.

The physical medium upon which the software is supplied is
guaranteed for one year against any physical defect.  If it
should fail, return it to the seller, and a new physical medium
with a copy of the purchased software shall be sent.

The seller reserve the right to make changes, additions, and
improvements to the software at any time; no guarantee is made
that future versions of the software will be compatible with any
other version.

The parts of this disclaimer are severable and fault found in any
one part does not invalidate any other parts.

	Copyright (c) 1981 by Mark of the Unicorn
	Created for Version 2.3  10/4/80  JTL
	Updated to version three  1/7/81  JTL

	This file contains the function table initializers and mode set up
functions */

#include "mince.gbl"

finit1()			/* initialize the control and self insert key bindings */
{
	int cnt;
	int MInsert(), MSetMrk(), MBegLin(), MPrevChar();
	int MNotImpl(), MDelChar(), MEndLin(), MNextChar();
	int MAbort(), MDelLin(), NewDsp(), MNewLin();
	int MNextLin(), MOpenLin(), MPrevLin(), MQuote();
	int MRSearch(), MSearch(), MSwapChar(), MArg();
	int MNextPage(), MDelRgn(), MCtrlX(), MYank();
	int MMeta(), MDelIndent(), MRDelChar(), MIndent();
/*	int MTab(); */

	for (cnt=0; cnt<128; ++cnt) functs[cnt] = &MInsert;
	TKbChk();
 */
	functs[1] = &MBegLin;		/* C-A */
	functs[2] = &MPrevChar;		/* C-B */
	functs[3] = &MNotImpl;		/* C-C */
	functs[4] = &MDelChar;		/* C-D */
	functs[5] = &MEndLin;		/* C-E */
	functs[6] = &MNextChar;		/* C-F */
	functs[7] = &MAbort;		/* C-G */
	functs[8] = &MRDelChar;		/* C-H */
/*	functs[9] = &MTab;			/* C-I */ */
	functs[10] = &MIndent;		/* C-J */
	functs[11] = &MDelLin;		/* C-K */
	functs[12] = &NewDsp;		/* C-L */
	functs[13] = &MNewLin;		/* C-M */
	functs[14] = &MNextLin;		/* C-N */
	functs[15] = &MOpenLin;		/* C-O */
	functs[16] = &MPrevLin;		/* C-P */
	functs[17] = &MQuote;		/* C-Q */
	functs[18] = &MRSearch;		/* C-R */
	functs[19] = &MSearch;		/* C-S */
	functs[20] = &MSwapChar;		/* C-T */
	functs[21] = &MArg;			/* C-U */
	functs[22] = &MNextPage;		/* C-V */
	functs[23] = &MDelRgn;		/* C-W */
	functs[24] = &MCtrlX;		/* C-X */
	functs[25] = &MYank;		/* C-Y */
	functs[26] = &MNotImpl;		/* C-Z */
	functs[ESC] = &MMeta;		/* ESC */
	functs[28] = &MDelIndent;	/* C-\ */
	functs[29] = &MNotImpl;		/* C-] */
	functs[30] = &MNotImpl;		/* C-^ */
	functs[31] = &MNotImpl;		/* C-_ */
	functs[DEL] = &MRDelChar;	/* DEL */
	}

finit2()			/* set up the Meta key bindings */
{
	int cnt;
	int MNotImpl(), MAbort(), MDelELin(), MQryRplc();
	int MMakeDel(), MToStart(), MToEnd(), MBSent();
	int BWord(), MCapWord(), MDelWord(), MFSent();
	int FWord(), MMrkPara(), MDelSent(), MLowWord();
	int MFillPara(), MReplace(), MCntrLine(), MUpWord();
	int MPrevPage(), MCopyRgn(), MBPara(), MDelWhite();
	int MFPara(), MRDelWord(), MSetMrk(), MSwapWord();
/**/ int MScrnSiz();

	for (cnt=128; cnt<256; ++cnt) functs[cnt] = &MNotImpl;
	TKbChk();
	functs[128+7] = &MAbort;					/* M-C-G */
	functs[128+8] = &MRDelWord;				/* M-C-H */
	functs[128+11] = &MDelELin;				/* M-C-K */
	functs[128+18] = &MQryRplc;				/* M-C-R */
/**/ functs[128+19] = &MScrnSiz;				/* M-C-S */
	functs[128+23] = &MMakeDel;				/* M-C-W */
	functs[128+'<'] = &MToStart;				/* M-< */
	functs[128+'>'] = &MToEnd;				/* M-> */
	functs[128+' '] = &MSetMrk;				/* M-  */
	functs[128+'A']=functs[128+'a'] = &MBSent;	/* M-A */
	functs[128+'B']=functs[128+'b'] = &BWord;	/* M-B */
	functs[128+'C']=functs[128+'c'] = &MCapWord;	/* M-C */
	functs[128+'D']=functs[128+'d'] = &MDelWord;	/* M-D */
	functs[128+'E']=functs[128+'e'] = &MFSent;	/* M-E */
	functs[128+'F']=functs[128+'f'] = &FWord;	/* M-F */
	functs[128+'H']=functs[128+'h'] = &MMrkPara;	/* M-H */
	functs[128+'K']=functs[128+'k'] = &MDelSent;	/* M-K */
	functs[128+'L']=functs[128+'l'] = &MLowWord;	/* M-L */
	functs[128+'Q']=functs[128+'q'] = &MFillPara;/* M-Q */
	functs[128+'R']=functs[128+'r'] = &MReplace;	/* M-R */
	functs[128+'S']=functs[128+'s'] = &MCntrLine;/* M-S */
	functs[128+'T']=functs[128+'t'] = &MSwapWord;/* M-T */
	functs[128+'U']=functs[128+'u'] = &MUpWord;	/* M-U */
	functs[128+'V']=functs[128+'v'] = &MPrevPage;/* M-V */
	functs[128+'W']=functs[128+'w'] = &MCopyRgn;	/* M-W */
	functs[128+'['] = &MBPara;				/* M-[ */
	functs[128+'\\'] = &MDelWhite;			/* M-\ */
	functs[128+']'] = &MFPara;				/* M-] */
	functs[128+DEL] = &MRDelWord;				/* M-DEL */
	}

finit3()			/* set up the Control-X key bindings */
{
	int cnt;
	int MNotImpl(), MLstBuffs(), MExit(), MFindFile();
	int MAbort(), MSetTabs(), MDelMode(), MFileRead();
	int MFileSave(), MFileWrite(), MSwapMrk(), MSetIndent();
	int MPrintPos(), MSwitchTo(), MKillBuff(), MSetFill();
	int MAddMode(), MOneWind(), MTwoWind(), MSwpWind();
	int MNxtOthrWind(), MPrvOthrWind(), MGrowWind();
/*	int MSetTab(), MClrTab(), MTabEvery(); */
#ifdef UNIX
	int MUnix();
#endif

	for (cnt=256; cnt<384; ++cnt) functs[cnt] = &MNotImpl;
	TKbChk();
	functs[256+2] = &MLstBuffs;				/* C-X C-B */
	functs[256+3] = &MExit;					/* C-X C-C */
	functs[256+6] = &MFindFile;				/* C-X C-F */
	functs[256+7] = &MAbort;					/* C-X C-G */
/*	functs[256+9] = &MTabEvery;				/* C-X Tab */ */
	functs[256+13] = &MDelMode;				/* C-X C-M */
	functs[256+18] = &MFileRead;				/* C-X C-R */
	functs[256+19] = &MFileSave;				/* C-X C-S */
	functs[256+22] = &MNxtOthrWind;			/* C-X C-V */
	functs[256+23] = &MFileWrite;				/* C-X C-W */
	functs[256+24] = &MSwapMrk;				/* C-X C-X */
	functs[256+26] = &MPrvOthrWind;			/* C-X C-Z */
	functs[256+'.'] = &MSetIndent;			/* C-X . */
#ifdef UNIX
	functs[256+'!'] = &MUnix;				/* C-X ! */
#endif
	functs[256+'='] = &MPrintPos;				/* C-X = */
	functs[256+'1'] = &MOneWind;				/* C-X 1 */
	functs[256+'2'] = &MTwoWind;				/* C-X 2 */
	functs[256+'B']=functs[256+'b'] = &MSwitchTo;/* C-X B */
/*	functs[256+'C']=functs[256+'c'] = &MClrTab;  /* C-X C */	
	functs[256+'K']=functs[256+'k'] = &MKillBuff;/* C-X K */
	functs[256+'F']=functs[256+'f'] = &MSetFill;	/* C-X F */
	functs[256+'M']=functs[256+'m'] = &MAddMode;	/* C-X M */
	functs[256+'O']=functs[256+'o'] = &MSwpWind;	/* C-X O */
/*	functs[256+'S']=functs[256+'s'] = &MSetTab;	/* C-X S */ */
	functs[256+'^'] = &MGrowWind;				/* C-X ^ */
	}

SetModes()			/* Set the modes according to the bmodes array */
{
	int cnt;
	int MFillChk();
/*	int MInsert(), MOverwrite(), MPBegLine();
	int MPBChar(), MPEndLine(), MPFChar(), MPBackSpace();
	int MPNextLine(), MPPrevLine(), MTrimWhite(), MPTab(); */
#ifdef LARGE
	int MNewLin(), MCIndent(), MSInsert();
#endif

	*mode='\0';
	finit1();					/* Set up the key bindings */
	finit2();
	finit3();
	for (cnt=MAXMODES-1; cnt>=0; --cnt) {
		switch (buffs[cbuff].bmodes[cnt]) {

#ifdef LARGE
		case 'c':
			functs[13] = &MCIndent;
			strcat(&mode,"C ");
			break;
		case 's':
			Rebind(&MInsert,&MSInsert);
			strcat(&mode,"Save ");
			break;
#endif
		case 'f':
			functs[' '] = &MFillChk;
			strcat(&mode,"Fill ");
			break;
/*		case 'p':
			Rebind(&MInsert,&MOverwrite);
			functs[1] = &MPBegLine;
			functs[2] = &MPBChar;
			functs[5] = &MPEndLine;
			functs[6] = &MPFChar;
			functs[8] = &MPBackSpace;
			functs[9] = &MPTab;
			functs[14] = &MPNextLine;
			functs[16] = &MPPrevLine;
			functs[256+'\\'] = &MTrimWhite;
			strcat(&mode,"Page ");
			break; */
			}
		}
	if (!*mode) strcpy(&mode,"Normal ");
	mode[strlen(mode)-1]='\0';
	ModeLine();
	}

UInit()			/* Do User Code Initialization */
	/* This function is called once at the very beginning. it may be used
	to do any initialization required for user code */
{
	for (cnt=9; cnt>=0; --cnt) spare[cnt]=0;
	for (cnt=tabincr; cnt<80; cnt+=tabincr) spare[cnt>>3]|=1<<(cnt&7);
	}

/*
MTab()				/* Insert spaces to the next tab stop */
{
	for (cnt=BGetCol(); cnt<80 && (++cnt, !(spare[cnt>>3]&(1<<(cnt&7))));
		BInsert(' '));
	BInsert(' ');
	}

MSetTab()				/* Set a tab stop */
{
	if (!argp) arg=BGetCol();
	if (arg>79) arg=79;
	spare[arg>>3] |= 1<<(arg&7);
	arg=0;
	return;
	}

MClrTab()				/* Clear a tab stop */
{
	if (!argp) arg=BGetCol();
	if (arg>79) arg=79;
	spare[arg>>3] &= !(1<<(arg&7));
	arg=0;
	return;
	}

MTabEvery()			/* Set a tab stop every arg characters */
{
	if (arg>79) arg=79;
	for (cnt=9; cnt>=0; --cnt) spare[cnt]=0;
	if (!argp) return;
	for (cnt=arg; cnt<80; cnt+=arg) spare[cnt>>3]|=1<<(cnt&7);
	arg=0;
	}

*/
/* ---------------------------------------------------------------------- */

MScrnSiz()
{
	char *ssc;
	int ssi;
	
	switch (arg) {
	
	case 18:
	case 20:
	case 22:
	case 24:
	case 26:
	case 28:
	case 30:
	case 36:
	case 40:
	case 48:
		break;
	default:
		Error("Invalid Scrn Size");
		arg=0;
		return;
		}
	MOneWind();
	terminal.nrows=arg;
	divide=TMaxRow()-2; 
	prefrow=arg/2;
	arg=0;
	NewDsp();
	}

/* END OF TABS.C - set up key bindings */