cc65/samples/geos/rmvprot.c

/*

    GEOSLib example
    
    This small application removes GEOS disk write protection tag.
    e.g. boot disk is always protected after boot-up
    
    Maciej 'YTM/Elysium' Witkowiak
    <ytm@elysium.pl>
    
    21.03.2000
*/

#include <geos.h>

char diskName[17] = "";

static const graphicStr clearScreen = {
	MOVEPENTO(0, 0),
	NEWPATTERN(2),
	RECTANGLETO(319, 199),
	GSTR_END
};

static const dlgBoxStr mainDialog = {
	DB_DEFPOS(1),
	DB_TXTSTR(TXT_LN_X, TXT_LN_2_Y,
		  CBOLDON "Remove protection on:" CPLAINTEXT),
	DB_TXTSTR(TXT_LN_X, TXT_LN_3_Y, diskName),
	DB_ICON(OK, DBI_X_0, DBI_Y_2),
	DB_ICON(DISK, DBI_X_1, DBI_Y_2),
	DB_ICON(CANCEL, DBI_X_2, DBI_Y_2),
	DB_END
};

static const dlgBoxStr changeDiskDlg = {
	DB_DEFPOS(1),
	DB_TXTSTR(TXT_LN_X, TXT_LN_2_Y, CBOLDON "Insert new disk"),
	DB_TXTSTR(TXT_LN_X, TXT_LN_3_Y, "into drive." CPLAINTEXT),
	DB_ICON(OK, DBI_X_0, DBI_Y_2),
	DB_ICON(CANCEL, DBI_X_2, DBI_Y_2),
	DB_END
};

static const dlgBoxStr errorDialog = {
	DB_DEFPOS(1),
	DB_TXTSTR(TXT_LN_X, TXT_LN_2_Y, CBOLDON "Error happened..."),
	DB_TXTSTR(TXT_LN_X, TXT_LN_3_Y, "exiting..." CPLAINTEXT),
	DB_ICON(OK, DBI_X_0, DBI_Y_2),
	DB_END
};

void Error(void)
{
	DoDlgBox(&errorDialog);
	EnterDeskTop();
}

void main(void)
{

	/* Here we clear the screen. Not really needed anyway... */
	GraphicsString(&clearScreen);
	
	/* Get the name of current disk to show it in dialog box */
	GetPtrCurDkNm(diskName);

	while (1) {
		switch (DoDlgBox(&mainDialog)) {
		/* What's the result of dialog box? which icon was pressed? */
		case OK:
			if (GetDirHead())
				Error();
			curDirHead[OFF_GS_DTYPE] = 0;
			if (PutDirHead())
				Error();
			break;
		case DISK:
			DoDlgBox(&changeDiskDlg);
			GetPtrCurDkNm(diskName);
			break;
		default:	/* CANCEL is the third option */
			return;
			break;
		}
	}
}