static void FilePos( a_window *wnd, int pos )
{
unsigned long range;
file_window *file = WndFile( wnd );
if( pos < 0 )
pos = 0;
if( file->viewhndl == NULL ) {
if( pos+WndRows(wnd) > file->eof )
return;
WndSetTop( wnd, pos );
return;
}
if( FReadLine( file->viewhndl, pos+WndRows(wnd), 0, TxtBuff, TXT_LEN ) < 0 ) {
pos = FCurrLine( file->viewhndl ) - WndRows(wnd) - 1;
if( pos < 0 ) {
pos = 0;
}
}
WndSetTop( wnd, pos );
if( pos >= file->rows ) {
file->rows = pos+1;
file->rows_offset = FLastOffset( file->viewhndl );
}
if( file->rows == 0 )
file->rows = 1;
if( file->rows_offset == 0 ) {
range = file->size;
} else {
range = file->size * file->rows / file->rows_offset;
}
WndSetVScrollRange( wnd, range );
WndSetThumbPos( wnd, pos );
}
extern char * WPSourceGetLine( a_window * wnd, int line )
/*******************************************************/
{
sio_data * curr_sio;
wp_srcfile * wp_src;
int buff_len;
curr_sio = WndExtra( wnd );
wp_src = curr_sio->src_file;
if( wp_src->src_buff_len == 0 ) {
wp_src->src_buff = ProfAlloc( 100 );
wp_src->src_buff_len = 100;
}
for( ;; ) {
buff_len = FReadLine( wp_src->src_file, line, 0, wp_src->src_buff,
wp_src->src_buff_len );
if( buff_len != wp_src->src_buff_len ) break;
wp_src->src_buff_len += 120;
wp_src->src_buff = ProfRealloc( wp_src->src_buff,
wp_src->src_buff_len );
}
if( buff_len < 0 ) {
wp_src->src_eof = P_TRUE;
return( NULL );
}
wp_src->src_eof = P_FALSE;
wp_src->src_buff[buff_len] = NULLCHAR;
return( wp_src->src_buff );
}
bool DUIGetSourceLine( cue_handle *ch, char *buff, unsigned len )
{
void *viewhndl;
viewhndl = OpenSrcFile( ch );
if( viewhndl == NULL ) return( FALSE );
buff[ FReadLine( viewhndl, CueLine( ch ), 0, buff, len )] = '\0';
FDoneSource( viewhndl );
return( TRUE );
}
bool DUIGetSourceLine( cue_handle *ch, char *buff, unsigned len )
{
void *viewhndl;
viewhndl = OpenSrcFile( ch );
if( viewhndl == NULL ) return( false );
buff[FReadLine( viewhndl, CueLine( ch ), 0, buff, len )] = NULLCHAR;
FDoneSource( viewhndl );
return( true );
}
int main( void )
{
char buff[256];
struct browser *fp;
int len;
int i;
int got;
fp = FOpenSource( "testsrcm.c", 0, 0 );
if( fp != NULL ) {
for( i = 1; FReadLine( fp, i, 0, buff, 256 ) != FREADLINE_ERROR; ++i ) {
}
for( --i; i >= 1; --i ) {
buff[FReadLine( fp, i, 0, buff, 256 )] = '\0';
printf( "%s\n", buff );
}
FDoneSource( fp );
}
}
static void SeekToTheEnd( file_window *file )
{
if( file->viewhndl != NULL && !FileIsRemote( file->viewhndl ) ) {
FReadLine( file->viewhndl, INT_MAX, 0, TxtBuff, TXT_LEN );
file->rows = FCurrLine( file->viewhndl ) - 1;
file->rows_offset = FLastOffset( file->viewhndl );
} else {
file->rows = 0;
file->rows_offset = 0;
}
}
char * WPAsmGetLine( a_window * wnd, int line )
/*********************************************/
{
sio_data * curr_sio;
wp_asmfile * wpasm_file;
src_info * src;
wp_asmline * asm_line;
int asm_group;
int asm_row;
int buff_len;
curr_sio = WndExtra( wnd );
wpasm_file = curr_sio->asm_file;
if( line >= wpasm_file->asm_rows ) {
return( NULL );
}
asm_line = WPGetAsmLoc( wpasm_file, line, &asm_group, &asm_row );
if( asm_line->source_line ) {
src = &asm_line->u.src;
if( src->src_file == NULL ) {
strcpy( wpasm_file->asm_buff, LIT( Unable_To_Open_Src ) );
} else {
for( ;; ) {
buff_len = FReadLine( src->src_file, src->line, 0,
wpasm_file->asm_buff,
wpasm_file->asm_buff_len );
if( buff_len != wpasm_file->asm_buff_len ) break;
wpasm_file->asm_buff_len += 120;
wpasm_file->asm_buff = ProfRealloc( wpasm_file->asm_buff,
wpasm_file->asm_buff_len );
}
if( buff_len < 0 ) {
buff_len = 0;
}
wpasm_file->asm_buff[buff_len] = NULLCHAR;
}
} else {
SetNumBytes( 0 );
SetExeFile( wpasm_file->fh, false );
SetExeImage( curr_sio->curr_image );
GetFullInstruct( asm_line->u.asm_line.addr, wpasm_file->asm_buff, wpasm_file->asm_buff_len-1 );
}
return( wpasm_file->asm_buff );
}
static bool FileGetLine( a_window *wnd, int row, int piece,
wnd_line_piece *line )
{
int len;
file_window *file = WndFile( wnd );
address addr;
brkp *bp;
bool curr;
DIPHDL( cue, ch );
line->text = LIT_ENG( Empty );
if( file->viewhndl == NULL && ModHasInfo( file->mod, HK_CUE ) != DS_OK ) {
return( false );
}
curr = ( row == file->active && ContextMod == file->mod );
switch( piece ) {
case PIECE_BREAK:
line->tabstop = false;
if( row >= file->eof )
return( false );
if( file->mod == NO_MOD )
return( true );
addr = NilAddr;
if( !WndDoingSearch ) { // too expensive
addr = GetRowAddr( file, row, true );
}
if( !IS_NIL_ADDR( addr ) ) {
bp = FindBreakByLine( file->mod, file->file_id, row+1 );
FileBreakGadget( wnd, line, curr, bp );
}
return( true );
case PIECE_SOURCE:
line->text = TxtBuff;
line->extent = WND_MAX_EXTEND;
if( curr )
line->attr = WND_STANDOUT;
if( file->mod != NO_MOD ) {
line->indent = MaxGadgetLength;
}
if( file->viewhndl == NULL ) {
Format( TxtBuff, LIT_DUI( No_Source_Line ), row+1 );
if( LineCue( file->mod, file->file_id, 0, 0, ch ) != SR_NONE ) {
if( (CueAdjust( ch, -1, ch ) & DS_ERR) ) {
file->eof = CueLine( ch );
}
}
return( true );
}
len = FReadLine( file->viewhndl, row+1, 0, TxtBuff, MAX_LINE_LEN );
if( len < 0 ) {
file->eof = row;
return( false );
}
if( len == MAX_LINE_LEN ) {
StrCopy( " ...", TxtBuff + MAX_LINE_LEN );
} else {
TxtBuff[len] = NULLCHAR;
}
if( row >= file->rows ) {
file->rows = row + 1;
file->rows_offset = FLastOffset( file->viewhndl );
}
return( true );
default:
return( false );
}
}