mfbtext.c File Reference

#include "spice.h"
#include "mfb.h"

Include dependency graph for mfbtext.c:

Go to the source code of this file.

Macros
#define	MFBFORMAT   MFBCurrent->strings

Functions
void	MFBMore (int Left, int Bottom, int Right, int Top, FILE *Textfile)
void	MFBScroll (int Left, int Bottom, int Right, int Top, FILE *Textfile)

Macro Definition Documentation

#define MFBFORMAT   MFBCurrent->strings

Definition at line 25 of file mfbtext.c.

Function Documentation

void MFBMore	(	int	Left,
		int	Bottom,
		int	Right,
		int	Top,
		FILE *	Textfile
	)

Definition at line 37 of file mfbtext.c.

{
    char cbuf[200];     /* 200 chars per line max */
    int c,i;
    int linecount;
    int done = 0;
    int oldfillpattern;
    int oldforeground;
    int nlines;
    int nchars;
    int controlchar;

    /* test to be sure of window area */
    if(Top < Bottom)
        MFBSwapInt(Top,Bottom);
    if(Right < Left)
        MFBSwapInt(Left,Right);

    /* calculate parameters */
    nlines = (Top - Bottom)/MFBCurrent->fontHeight;
    nchars = (Right - Left)/(MFBCurrent->fontWidth + MFBCurrent->fontXOffset);
    nchars = MFBmin(nchars,200);

    /* save old style ID's */
    oldforeground = MFBCurrent->fgColorId;
    oldfillpattern = MFBCurrent->fillPattern;

    if(nlines <= 0) return;
    linecount = 1;
    MFBSetFillPattern(0);
    MFBSetColor(0);
    MFBBox(Left,Bottom,Right,Top);
    MFBSetColor(oldforeground);
    while(! done) {
        i = 0;
        controlchar = 0;
        while(i < nchars && (c = getc(Textfile)) != '\n' && c != EOF){
            if(c == 9){ /* tab */
                cbuf[i++] = ' ';
                while(i < nchars && (i % 8) != 0) cbuf[i++] = ' ';
            }
            else if(c < ' '){
                if(controlchar == 0){
                    cbuf[i++] = '^';
                    controlchar = 1;
                    (void) ungetc(c,Textfile);
                }
                else{
                    cbuf[i++] = c + '@';
                    controlchar = 0;
                }
            }
            else if(c <= '~')
                cbuf[i++] = c;
        }
        cbuf[i] = 0;
        if(c == EOF) done = 1;
        MFBText(cbuf,Left,Top - (linecount) * MFBCurrent->fontHeight,0);
        MFBUpdate();
        if(done || ++linecount >= nlines){
            linecount = 1;
            if(done)
                MFBText("-DONE-",Left,Bottom,0);
            else
                MFBText("-MORE- (^D to exit)",Left,Bottom,0);
            MFBUpdate();
            c = (*MFBCurrent->kybrd_getchar)();
            if(c == 4) 
                done = 1;
            MFBSetColor(0);
            MFBBox(Left,Bottom,Right,Top);
            MFBSetColor(oldforeground);
        }
    }
    MFBSetFillPattern(oldfillpattern);
}

void MFBScroll	(	int	Left,
		int	Bottom,
		int	Right,
		int	Top,
		FILE *	Textfile
	)

Definition at line 121 of file mfbtext.c.

{
    char cbuf[200];     /* 200 chars per line max */
    int c,i,j;
    int curline;        /* current line in the textfile */
    int linecount;
    int done = 0;
    int oldfillpattern;
    int oldforeground;
    int nlines;
    int nchars;
    int controlchar;

    /* test to be sure of window area */
    if(Top < Bottom)
        MFBSwapInt(Top,Bottom);
    if(Right < Left)
        MFBSwapInt(Left,Right);

    /* calculate parameters */
    nlines = (Top - Bottom)/MFBCurrent->fontHeight;
    nchars = (Right - Left)/(MFBCurrent->fontWidth + MFBCurrent->fontXOffset);
    nchars = MFBmin(nchars,200);

    /* save old style ID's */
    oldforeground = MFBCurrent->fgColorId;
    oldfillpattern = MFBCurrent->fillPattern;

    if(nlines <= 0) return;
    curline = 1;
    MFBSetFillPattern(0);
    MFBSetColor(0);
    MFBBox(Left,Bottom,Right,Top);
    MFBSetColor(oldforeground);
    while( !done ){
        rewind(Textfile);
        /* skip first curline's */
        for(i = 1; i < curline; ++i){
            while((c = getc(Textfile)) != '\n' && c != EOF) ;
        }
        /* output nlines of text */
        linecount = 0;
        for(j = 1; j < nlines; ++j){
            i = 0;
            controlchar = 0;
            while(i < nchars && (c = getc(Textfile)) != '\n' && c != EOF){
                if(c == 9){ /* tab */
                    cbuf[i++] = ' ';
                    while(i < nchars && (i % 8) != 0) cbuf[i++] = ' ';
                }
                else if(c < ' '){
                if(controlchar == 0){
                    cbuf[i++] = '^';
                    controlchar = 1;
                    (void) ungetc(c,Textfile);
                }
                else{
                    cbuf[i++] = c + '@';
                    controlchar = 0;
                }
            }
            else if(c <= '~')
                cbuf[i++] = c;
            }
            if(c == '\n') ++linecount;
            cbuf[i] = 0;
            MFBText(cbuf,Left,Top - (j) * MFBCurrent->fontHeight,0);
            MFBUpdate();
            if(c == EOF){
                j = nlines;
                done = 1;
            }
        }
        if(done)
            MFBText("-DONE-",Left,Bottom,0);
        else
            MFBText("-MORE- (^D to exit, ^U to scroll up)",Left,Bottom,0);
        MFBUpdate();
        c = (*MFBCurrent->kybrd_getchar)();
        --linecount;
        if(c == 4)
            done = 1;
        else if(c == 21){
            curline -= linecount;
            if(curline < 1)
                curline = 1;
        }
        else
            curline += linecount;
        MFBSetColor(0);
        MFBBox(Left,Bottom,Right,Top);
        MFBSetColor(oldforeground);
    }
    MFBSetFillPattern(oldfillpattern);
}