void backword( unsigned int *x ) {
int i;
i = *x + firstcol + 1;
if ( i != 1 ) { /* first column ? */
if ( ( !ISBLANK( workline.middle[i] ) ) && ( !ISBLANK( workline.middle[i - 1] ) ) ) {
while ( ( !ISBLANK( workline.middle[i] ) ) && ( i > 0 ) ) {
i--;
}
} else {
if ( ISBLANK( workline.middle[i - 1] ) ) {
i--;
}
while ( ISBLANK( workline.middle[i] ) && ( i > 0 ) ) {
i--;
}
while ( !ISBLANK( workline.middle[i] ) && ( i > 0 ) ) {
i--;
}
}
gocol( i, x );
if ( ( i == 0 ) && ( ISBLANK( workline.middle[1] ) ) ) {
backword( x );
}
} else {
if ( curline->previous != sentinel ) {
cursor_up( );
endline( x );
}
}
}
void cursor_left( unsigned *x ) {
unsigned i = *x + firstcol;
if ( i != 0 ) { /* Home of line ? */
gocol( i - 1, x );
} else {
if ( curline->previous != sentinel ) {
cursor_up( ); /* go to end of */
endline( x ); /* previous line */
}
}
}
void cursor_left( unsigned int *p_xCursorPos ) {
unsigned int i = *p_xCursorPos + firstcol;
if ( i != 0 ) { /* Home of line ? */
gocol( i - 1, p_xCursorPos );
} else {
if ( curline->previous != sentinel ) {
cursor_up( ); /* go to end of */
endline( p_xCursorPos ); /* previous line */
}
}
}
void movetotab(unsigned *x,unsigned y)
{
int i,count;
if ((*x + firstcol) >= (leftmar - 1)) {
i = *x + firstcol + 1;
} else {
i = leftmar - 1;
}
for(;(tab[i] != YES) && (i < (rightmar-1));i++);
if (i < (rightmar - 1)) {
count = i - (*x + firstcol);
while (count-- != 0) {
if (insertmode)
insertblank(*x + firstcol + 1,' ');
}
gocol(i,x);
refreshline(0,y);
}
}
void nextword( unsigned int *x, unsigned int y ) {
int i, j;
i = *x + firstcol + 1;
j = i;
while ( !ISBLANK( workline.middle[i] ) && ( i != MAXCOL ) ) {
i++;
}
while ( ISBLANK( workline.middle[i] ) && ( i != MAXCOL ) ) {
i++;
}
if ( i != MAXCOL ) {
i--;
gocol( i, x );
} else {
endline( x );
if ( ( *x + firstcol + 1 ) <= j ) {
cursor_down( y );
home( x );
if ( ISBLANK( workline.middle[1] ) ) {
nextword( x, y );
}
}
}
}
void endline( unsigned int *x ) {
gocol( strlen( workline.middle ) - 1, x );
}
void goendblk( unsigned int *x ) {
if ( haveblock( ) ) {
goline( blkend.lineno );
gocol( blkend.column, x );
}
}
void gobeginblk( unsigned int *x ) {
if ( haveblock( ) ) {
goline( blkbegin.lineno );
gocol( blkbegin.column, x );
}
}
void autowrap( unsigned int *x, unsigned int *y ) {
unsigned int i, j, already = NO, diff;
char *temp1, *temp3, *cuthere, fontcode[9];
font_attr font = 0;
struct line_node *templine;
storeline( curline );
diff = strlen( workline.middle ) - ( *x + firstcol + 1 );
i = 0;
j = 0;
while ( curline->text[i] != '\0' ) {
if ( curline->text[i] != WRAPBLANK ) {
curline->text[j] = curline->text[i];
j++;
already = YES;
} else {
if ( already == NO ) {
curline->text[j] = curline->text[i];
j++;
}
}
i++;
}
curline->text[j] = '\0';
temp1 = curline->text;
for ( i = rightmar - 2; ( i > 0 ) && ( *temp1 != '\0' ); i-- ) {
temp1++;
while ( whatlevel( *temp1 ) != MIDDLE ) {
temp1++;
}
}
temp3 = temp1;
for ( i = 10; ( i != 0 ) && ( *temp3 != '\0' ); i-- ) {
temp3++;
}
cuthere = FINDCUT( curline->text, temp3, temp1 );
cuthere++;
for ( temp1 = curline->text; temp1 != cuthere; temp1++ ) {
if ( *temp1 < 32 ) {
togglefont( &font, *temp1 );
}
}
findstrcode( fontcode, font );
templine = ( struct line_node * ) malloc( sizeof( struct line_node ) );
templine->text = ( char * ) malloc( leftmar + strlen( fontcode ) + strlen( cuthere ) );
for ( i = 0; i != ( leftmar - 1 ); i++ ) {
templine->text[i] = WRAPBLANK;
}
templine->text[i] = '\0';
strcat( templine->text, fontcode );
strcat( templine->text, cuthere );
templine->graph = NULL;
templine->wrap = ( curline->next )->wrap;
*cuthere = '\0';
temp3 = ( char * ) malloc( strlen( curline->text ) + strlen( fontcode ) + 1 );
strcpy( temp3, curline->text );
strcat( temp3, fontcode );
free( curline->text );
curline->text = temp3;
templine->next = curline->next;
( curline->next )->previous = templine;
templine->previous = curline;
curline->next = templine;
curline->wrap = YES;
loadtoline( curline->text );
justify_right( );
*y = findrow( );
cursor_down( *y );
firstcol = 0;
gocol( strlen( workline.middle ) - 1 - diff, x );
pagecomplete = NO;
}