/*
* Move the cursor forward by the specified number of words. All of the motion
* is done by "forwchar". Error if you try and move beyond the buffer's end.
*/
int
forwword(int f, int n)
{
if (n < 0)
return (backword(f, -n));
while (n--) {
#if NFWORD
while (inword() != FALSE) {
if (forwchar(FALSE, 1) == FALSE)
return (FALSE);
}
#endif
while (inword() == FALSE) {
if (forwchar(FALSE, 1) == FALSE)
return (FALSE);
}
#if NFWORD == 0
while (inword() != FALSE) {
if (forwchar(FALSE, 1) == FALSE)
return (FALSE);
}
#endif
}
return(TRUE);
}
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 );
}
}
}
/*
* Extract the word at dot without changing dot position.
*/
int
curtoken(int f, int n, char *token)
{
struct line *odotp;
int odoto, tdoto, odotline, size, r;
char c;
/* Underscore character is to be treated as "inword" while
* processing tokens unlike mg's default word traversal. Save
* and restore it's cinfo value so that tag matching works for
* identifier with underscore.
*/
c = cinfo['_'];
cinfo['_'] = _MG_W;
odotp = curwp->w_dotp;
odoto = curwp->w_doto;
odotline = curwp->w_dotline;
/* Move backword unless we are at the beginning of a word or at
* beginning of line.
*/
if (!atbow())
if ((r = backword(f, n)) == FALSE)
goto cleanup;
tdoto = curwp->w_doto;
if ((r = forwword(f, n)) == FALSE)
goto cleanup;
/* strip away leading whitespace if any like emacs. */
while (ltext(curwp->w_dotp) &&
isspace(lgetc(curwp->w_dotp, tdoto)))
tdoto++;
size = curwp->w_doto - tdoto;
if (size <= 0 || size >= MAX_TOKEN ||
ltext(curwp->w_dotp) == NULL) {
r = FALSE;
goto cleanup;
}
strncpy(token, ltext(curwp->w_dotp) + tdoto, size);
token[size] = '\0';
r = TRUE;
cleanup:
cinfo['_'] = c;
curwp->w_dotp = odotp;
curwp->w_doto = odoto;
curwp->w_dotline = odotline;
return (r);
}
/* ARGSUSED */
int
forwword(int f, int n)
{
if (n < 0)
return (backword(f | FFRAND, -n));
while (n--) {
while (inword() == FALSE) {
if (forwchar(FFRAND, 1) == FALSE)
return (TRUE);
}
while (inword() != FALSE) {
if (forwchar(FFRAND, 1) == FALSE)
return (TRUE);
}
}
return (TRUE);
}
int main( int argc, char *argv[] ) {
/* (x,y) position of edit window. x column, y line -> (0,0) at upper left on screen */
unsigned int xCursorPos = 0;
unsigned int yCursorPos = 0;
unsigned int curmenu = 0x1100;
int i;
cwsetup( argc, argv );
writestatus( 0 );
writetab( );
splashscreen( );
/* Main program loop */
do {
dispstrhgc( " ", wind.col, 2, NORMALATTR );
i = pulled_down_menu( &curmenu, &xCursorPos, &yCursorPos );
if ( filename[0] != '\0' ) {
switch ( i ) {
case RETKEY:
keymain = menu_to_key( curmenu );
break;
case ESCKEY:
waitkbd( wind.col + xCursorPos, wind.row + yCursorPos ); /* Show blinking cursor */
keymain = readkbd( ); /* If keypressed Get it */
break;
default:
keymain = i;
break;
}
while ( keymain != ESCKEY ) {
if ( ( keymain & 0xff ) >= 32 ) {
keymain = changekey( keymain );
if ( insertmode ) {
if ( !insert_char( keymain, &xCursorPos, &yCursorPos ) ) {
linetoolong( );
}
} else {
if ( !ovrwrite_char( keymain, &xCursorPos, &yCursorPos ) ) {
linetoolong( );
}
}
refreshline( xCursorPos, yCursorPos );
} else { /* Function Key */
switch ( keymain ) {
case PGUPKEY:
case CNTRL_R:
page_up( );
break;
case PGDNKEY:
case CNTRL_C:
page_down( );
break;
case UPKEY:
case CNTRL_E:
cursor_up( );
break;
case DNKEY:
case CNTRL_X:
cursor_down( yCursorPos );
break;
case LEKEY:
case CNTRL_S:
cursor_left( &xCursorPos );
break;
case 0x2301:
gobeginblk( &xCursorPos );
break;
case 0x2401:
goendblk( &xCursorPos );
break;
case RIKEY:
case CNTRL_D:
cursor_right( &xCursorPos, yCursorPos );
break;
case CNTRL_W:
scroll_up( );
break;
case CNTRL_Z:
scroll_down( );
break;
case CHOMEKEY:
top_of_page( );
break;
case CPGUPKEY:
topfile( &xCursorPos );
break;
case CENDKEY:
bottom_of_page( );
break;
case CPGDNKEY:
endfile( &xCursorPos );
break;
case DELKEY:
case CNTRL_G:
delete_char( xCursorPos );
refreshline( xCursorPos, yCursorPos );
changeflag = YES;
break;
case CNTRL_T:
delete_word( xCursorPos );
refreshline( xCursorPos, yCursorPos );
changeflag = YES;
break;
case CNTRL_Y:
delete_line( );
changeflag = YES;
break;
case CNTRL_M:
case RETKEY:
if ( insertmode == NO ) {
returnkey( &xCursorPos, yCursorPos );
} else {
ret_with_ins( &xCursorPos, yCursorPos );
changeflag = YES;
}
break;
case BSKEY:
case CNTRL_H:
backspace( &xCursorPos );
yCursorPos = findrow( );
refreshline( 0, yCursorPos );
changeflag = YES;
break;
case INSKEY:
case CNTRL_V:
insertmode = !insertmode;
writeinsmode( );
break;
case CNTRL_N:
insert_ret( &xCursorPos );
break;
case F10KEY:
thaimode = !thaimode;
writelanguage( );
break;
case F1KEY:
fontused = 0x00;
writeattr( );
break;
case F2KEY:
fontused = fontused | ITALICATTR;
writeattr( );
break;
case F3KEY:
fontused = fontused | ONELINEATTR;
fontused = fontused & 0x7f;
writeattr( );
break;
case F4KEY:
fontused = fontused | TWOLINEATTR;
fontused = fontused & 0xfe;
writeattr( );
break;
case F5KEY:
fontused = fontused | BOLDATTR;
writeattr( );
break;
case F6KEY:
fontused = fontused | ENLARGEATTR;
writeattr( );
break;
case F7KEY:
fontused = fontused | SUPERATTR;
if ( ( fontused & SUBATTR ) == SUBATTR ) {
fontused = fontused ^ SUBATTR;
}
writeattr( );
break;
case F8KEY:
fontused = fontused | SUBATTR;
if ( ( fontused & SUPERATTR ) == SUPERATTR ) {
fontused = fontused ^ SUPERATTR;
}
writeattr( );
break;
case F9KEY:
manualwrap( &xCursorPos, &yCursorPos );
break;
case ALTM:
editmacro( );
break;
case TABKEY:
case CNTRL_I:
movetotab( &xCursorPos, yCursorPos );
break;
case CNTRL_K:
blockcommand( &xCursorPos );
break;
case 0x1401:
blkcmd( 'p', &xCursorPos );
break;
case 0x6101:
blkcmd( 'b', &xCursorPos );
break;
case 0x6201:
blkcmd( 'k', &xCursorPos );
break;
case 0x6301:
blkcmd( 'c', &xCursorPos );
break;
case 0x6401:
blkcmd( 'y', &xCursorPos );
break;
case 0x6501:
blkcmd( 'v', &xCursorPos );
break;
case 0x6601:
blkcmd( 'r', &xCursorPos );
break;
case 0x6701:
blkcmd( 'w', &xCursorPos );
break;
case 0x6801:
blkcmd( 'h', &xCursorPos );
break;
case CNTRL_O:
onscreen( xCursorPos, yCursorPos );
break;
case 0x7101:
doonscrn( 'l', xCursorPos, yCursorPos );
break;
case 0x7201:
doonscrn( 'r', xCursorPos, yCursorPos );
break;
case 0x7301:
doonscrn( 'i', xCursorPos, yCursorPos );
break;
case 0x7401:
doonscrn( 'n', xCursorPos, yCursorPos );
break;
case 0x7501:
doonscrn( 'c', xCursorPos, yCursorPos );
break;
case 0x7601:
doonscrn( 'p', xCursorPos, yCursorPos );
break;
case 0x7701:
doonscrn( 'x', xCursorPos, yCursorPos );
break;
case CNTRL_Q:
quick( &xCursorPos, &yCursorPos );
break;
case 0x3501:
deltoendline( xCursorPos, yCursorPos );
break;
case 0x8111:
inscntrl( CNTRL_W, xCursorPos, yCursorPos );
break;
case 0x8211:
inscntrl( CNTRL_S, xCursorPos, yCursorPos );
break;
case 0x8311:
inscntrl( CNTRL_R, xCursorPos, yCursorPos );
break;
case 0x8411:
inscntrl( CNTRL_B, xCursorPos, yCursorPos );
break;
case 0x8511:
inscntrl( CNTRL_E, xCursorPos, yCursorPos );
break;
case 0x8611:
inscntrl( CNTRL_T, xCursorPos, yCursorPos );
break;
case 0x8711:
inscntrl( CNTRL_V, xCursorPos, yCursorPos );
break;
case CNTRL_P:
printcntrl( xCursorPos, yCursorPos );
break;
case HOMEKEY:
home( &xCursorPos );
break;
case ENDKEY:
endline( &xCursorPos );
break;
case CLEKEY:
case CNTRL_A:
backword( &xCursorPos );
break;
case CRIKEY:
case CNTRL_F:
nextword( &xCursorPos, yCursorPos );
break;
case CNTRL_L:
if ( source[0] != '\0' ) {
if ( replaceflag == NO ) {
if ( searchfwd( &xCursorPos, &yCursorPos ) == NO ) {
wordnotfound( );
}
} else {
if ( searchreplace( &xCursorPos, &yCursorPos ) == NO ) {
wordnotfound( );
}
}
}
break;
case CNTRL_B:
reform( );
break;
case ALTP:
gotopage( );
break;
case CNTRL_J:
case ALTL:
gotoline( );
break;
case 0x5101:
searching( &xCursorPos, &yCursorPos );
break;
case 0x5201:
replacing( &xCursorPos, &yCursorPos );
break;
case 0x8501:
loadtoline( curline->text );
refreshline( 0, yCursorPos );
break;
case CF1KEY:
insertmacro( ¯o[0][0], &xCursorPos, &yCursorPos );
break;
case CF2KEY:
insertmacro( ¯o[1][0], &xCursorPos, &yCursorPos );
break;
case CF3KEY:
insertmacro( ¯o[2][0], &xCursorPos, &yCursorPos );
break;
case CF4KEY:
insertmacro( ¯o[3][0], &xCursorPos, &yCursorPos );
break;
case CF5KEY:
insertmacro( ¯o[4][0], &xCursorPos, &yCursorPos );
break;
case CF6KEY:
insertmacro( ¯o[5][0], &xCursorPos, &yCursorPos );
break;
case CF7KEY:
insertmacro( ¯o[6][0], &xCursorPos, &yCursorPos );
break;
case CF8KEY:
insertmacro( ¯o[7][0], &xCursorPos, &yCursorPos );
break;
case CF9KEY:
insertmacro( ¯o[8][0], &xCursorPos, &yCursorPos );
break;
case CF10KEY:
insertmacro( ¯o[9][0], &xCursorPos, &yCursorPos );
break;
case AF2KEY:
inscntrl( ITALICCODE, xCursorPos, yCursorPos );
break;
case AF3KEY:
inscntrl( ONELINECODE, xCursorPos, yCursorPos );
break;
case AF4KEY:
inscntrl( TWOLINECODE, xCursorPos, yCursorPos );
break;
case AF5KEY:
inscntrl( BOLDCODE, xCursorPos, yCursorPos );
break;
case AF6KEY:
inscntrl( ENLARGECODE, xCursorPos, yCursorPos );
break;
case AF7KEY:
inscntrl( SUPERCODE, xCursorPos, yCursorPos );
break;
case AF8KEY:
inscntrl( SUBCODE, xCursorPos, yCursorPos );
break;
#ifdef WANT_TO_USE_GRAPH
case ALTG:
insertgraph( );
break;
case ALTD:
deletegraph( );
break;
#endif
case ALTX:
quitprog = YES;
keymain = ESCKEY;
break;
default:
if ( ( alt_char_map( keymain ) ) != -1 ) {
keymain = alt_char_map( keymain );
if ( insertmode ) {
if ( !insert_char( keymain, &xCursorPos, &yCursorPos ) ) {
linetoolong( );
}
} else {
if ( !ovrwrite_char( keymain, &xCursorPos, &yCursorPos ) ) {
linetoolong( );
}
}
refreshline( xCursorPos, yCursorPos );
}
break;
} /* switch ( keymain ) */
}
adjustcol( &xCursorPos );
while ( ( yCursorPos = findrow( ) ) > ( wind.width - 1 ) ) {
storeline( curline );
curline = curline->previous;
loadtoline( curline->text );
lineno--;
}
if ( !keypressed( ) ) {
if ( !pagecomplete ) {
showpage( );
}
if ( !keypressed( ) ) {
writecolno( firstcol + xCursorPos );
dispstrhgc( " ", wind.col, 2, NORMALATTR );
if ( !keypressed( ) ) {
writepageline( );
}
}
}
if ( quitprog != YES ) {
waitkbd( wind.col + xCursorPos, wind.row + yCursorPos );
keymain = readkbd( );
dispkey( keymain );
}
} /* while */
} else { /* if filename[0] != '\0' */
errorsound( );
}
} while ( !quitprog );
if ( changeflag ) {
blockmsg( 5 );
dispstrhgc( "ÂѧäÁèä´é¨Ñ´à¡çºá¿éÁ¢éÍÁÙÅ µéͧ¡ÒèѴà¡çºËÃ×ÍäÁè (Y/N)?", ( 16 + center_factor ) + 7, 5, REVERSEATTR );
keymain = 0;
while ( ( keymain != 'n' ) && ( keymain != 'N' )
&& ( keymain != 'y' ) && ( keymain != 'Y' ) ) {
keymain = ebioskey( 0 ) & 0xff;
if ( ( keymain == 'y' ) || ( keymain == 'Y' ) ) {
writeblk( filename, sentinel->next, 0, sentinel->previous, MAXCOL );
}
}
}
settext( );
return 0;
}
