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    Length: 3643 (0xe3b)
    Types: TextFile
    Names: »commands.c«

└─⟦3d0c2be1b⟧ Bits:30001254 ISODE-5.0 Tape
    └─⟦eba4602b1⟧ »./isode-5.0.tar.Z« 
        └─⟦d3ac74d73⟧ 
            └─⟦this⟧ »isode-5.0/others/max/commands.c« 
└─⟦2d1937cfd⟧ Bits:30007241 EUUGD22: P.P 5.0
    └─⟦35176feda⟧ »EurOpenD22/isode/isode-6.tar.Z« 
        └─⟦de7628f85⟧ 
            └─⟦this⟧ »isode-6.0/others/max/commands.c« 

TextFile

/* commands.c - max -- built-in commands */

#include <stdio.h>
#include "max.h"

/* \f

 */

static int direction = 1;

/* \f

 */

/* ARGSUSED */

void	doSelect (tag, reason)
caddr_t	tag;
unsigned long reason;
{
    int	    value = (int) tag;
    Arg	    args[1];
    register FI	    fi;

    remove_message (0);

    for (fi = curDI -> di_parts.fi_forw;
	    fi != &curDI -> di_parts;
	    fi = fi -> fi_forw)
	if (fi -> fi_selected != value) {
	    if (fi -> fi_selected = value)
		fi -> fi_selectpos = ++numselected;
	    XtSetArg (args[0], XtNvalue, &fi -> fi_selected);
	    XtBooleanSetValues (fi -> fi_button, args, 1);
	}

    if (!value)
	numselected = 0;
}

/* \f

 */

/* ARGSUSED */

void	doInvert (tag, reason)
caddr_t	tag;
unsigned long reason;
{
    Arg	    args[1];
    register FI	    fi;

    remove_message (0);

    numselected = 0;

    for (fi = curDI -> di_parts.fi_forw;
	    fi != &curDI -> di_parts;
	    fi = fi -> fi_forw) {
	if (fi -> fi_selected = !fi -> fi_selected)
	    fi -> fi_selectpos = ++numselected;
	XtSetArg (args[0], XtNvalue, &fi -> fi_selected);
	XtBooleanSetValues (fi -> fi_button, args, 1);
    }
}

/* \f

 */

/* ARGSUSED */

void	doAdvance (tag, reason)
caddr_t	tag;
unsigned long reason;
{
    int	    next = (int) tag;
    char   *cp;
    Arg	    args[1];
    register FI	    fi,
		    gi;
    UFexecMode mode;

    remove_message (0);

    if (next == 2) {
	next = direction;
	mode = (UFexecMode) reason;
    }
    else {
	direction = next;
	mode = UFexecEachFile;
    }

    switch (numselected) {
	case 0: 
	    fi = NULLFI;
	    gi = next ? curDI -> di_parts.fi_forw : curDI -> di_parts.fi_back;
	    break;

	case 1: 
	    if (next) {
		for (fi = curDI -> di_parts.fi_forw;
			fi != &curDI -> di_parts;
			fi = fi -> fi_forw)
		    if (fi -> fi_selected) {
			gi = fi -> fi_forw;
			break;
		    }
	    }
	    else
		for (fi = curDI -> di_parts.fi_back;
			fi != &curDI -> di_parts;
			fi = fi -> fi_back)
		    if (fi -> fi_selected) {
			gi = fi -> fi_back;
			break;
		    }
	    break;

	default: 
	    display_message (NULLCP, "multiple selections");
	    return;
    }

    switch (mode) {
	case UFexecEachRegular: 
	case UFexecAllRegulars: 
	    cp = "no appropriate selections";
	    while (gi != &curDI -> di_parts) {
		if (!FI_ISDIR (gi))
		    break;
		gi = next ? gi -> fi_forw : gi -> fi_back;
	    }
	    break;

	case UFexecEachDirectory: 
	case UFexecAllDirectories: 
	    cp = "no appropriate selections";
	    while (gi != &curDI -> di_parts) {
		if (FI_ISDIR (gi))
		    break;
		gi = next ? gi -> fi_forw : gi -> fi_back;
	    }
	    break;

	default: 
	    cp = next ? "no next selection" : "no previous selection";
	    break;
    }

    if (gi == &curDI -> di_parts) {
	display_message (NULLCP, "%s", cp);
	return;
    }

    if (fi != NULLFI) {
	fi -> fi_selected = 0;
	XtSetArg (args[0], XtNvalue, &fi -> fi_selected);
	XtBooleanSetValues (fi -> fi_button, args, 1);
	numselected--;
    }

    gi -> fi_selected = gi -> fi_selectpos = 1;
    XtSetArg (args[0], XtNvalue, &gi -> fi_selected);
    XtBooleanSetValues (gi -> fi_button, args, 1);
    numselected++;
}

/* \f

 */

/* ARGSUSED */

void	doCD (tag, reason)
caddr_t	tag;
unsigned long reason;
{
    register FI	    fi;

    if (numselected != 1) {
	display_message (NULLCP, numselected ? "too many selections"
		: "nothing selected");
	return;
    }

    for (fi = curDI -> di_parts.fi_forw;
	    fi != &curDI -> di_parts;
	    fi = fi -> fi_forw)
	if (fi -> fi_selected) {
	    if (FI_ISDIR (fi))
		CDfnx ((caddr_t) fi, (unsigned long) 0);
	    else
		display_message (NULLCP, "not a directory");
	    break;
	}
}