char *DUILoadString( int i )
{
return( WndLoadString( i ) );
}
extern bool WndSearch( a_window *wnd, bool from_top, int direction )
{
wnd_line_piece line;
regexp *rx;
char *pos;
char *endpos;
bool wrap;
int rows;
bool rc;
bool had_cache;
char *not_found;
char *top_of_window;
char *end_of_window;
char *search_wrapped;
wnd_subpiece next_occurence;
wnd_subpiece prev_occurence;
wnd_subpiece curr;
wnd_coord starting_pos;
if( direction == 0 ) return( FALSE );
if( wnd == NULL ) return( FALSE );
if( wnd->searchitem == NULL ) return( FALSE );
rx = WndCompileRX( wnd->searchitem );
if( rx == NULL ) return( FALSE );
not_found = WndLoadString( LITERAL_Not_Found );
top_of_window = WndLoadString( LITERAL_Top_Of_Window );
end_of_window = WndLoadString( LITERAL_End_Of_Window );
search_wrapped = WndLoadString( LITERAL_Search_Wrapped );
wrap = FALSE;
starting_pos.piece = 0;
starting_pos.col = direction > 0 ? -1 : WND_MAX_COL;
if( from_top ) {
curr.row = 0;
} else if( WndHasCurrent( wnd ) ) {
curr.row = WndVirtualRow( wnd, wnd->current.row );
starting_pos.piece = wnd->current.piece;
starting_pos.col = wnd->current.col;
} else {
curr.row = WndVirtualTop( wnd );
}
starting_pos.row = curr.row;
WndNextRow( wnd, WND_NO_ROW, WND_SAVE_ROW );
WndStatusText( "" );
WndDoingSearch = TRUE;
had_cache = WndSetCache( wnd, FALSE );
for( ;; ) {
if( curr.row < 0 ) {
if( wrap ) {
NotFound( wnd, rx, not_found );
rc = FALSE;
goto done;
} else if( _Is( wnd, WSW_SEARCH_WRAP ) ) {
rows = WndNumRows( wnd );
if( rows == -1 ) {
WndRepaint( wnd );
WndScrollAbs( wnd, -wnd->title_size );
rows = WndScrollAbs( wnd, WND_MAX_ROW ) + WndRows( wnd );
}
curr.row = rows - 1;
curr.col = 0;
curr.piece = -1;
wrap = TRUE;
continue;
} else {
NotFound( wnd, rx, top_of_window );
rc = FALSE;
goto done;
}
}
next_occurence.col = -1;
prev_occurence.col = -1;
for( curr.piece = 0;; ++curr.piece ) { // look for both next and prev match
if( !WndGetLineAbs( wnd, curr.row, curr.piece, &line ) ) {
if( curr.piece != 0 ) break;
if( wrap ) {
NotFound( wnd, rx, not_found );
rc = FALSE;
goto done;
} else if( _Is( wnd, WSW_SEARCH_WRAP ) ) {
curr.row = 0;
curr.col = 0;
curr.piece = -1;
wrap = TRUE;
continue;
} else {
NotFound( wnd, rx, end_of_window );
rc = FALSE;
goto done;
}
}
if( line.bitmap ) continue;
pos = line.text;
endpos = NULL;
while( WndRXFind( rx, &pos, &endpos ) ) {
curr.end = endpos - line.text;
curr.col = pos - line.text;
if( curr.piece < starting_pos.piece ) {
prev_occurence = curr;
} else if( curr.piece > starting_pos.piece ) {
if( next_occurence.col == -1 ) {
next_occurence = curr;
}
} else if( curr.col > starting_pos.col ) {
if( next_occurence.col == -1 ) {
next_occurence = curr;
}
} else if( curr.col < starting_pos.col ) {
prev_occurence = curr;
}
++pos;
}
}
if( direction < 0 ) {
next_occurence = prev_occurence;
}
if( next_occurence.col != -1 ) {
WndDoingSearch = FALSE;
WndKillCacheLines( wnd );
WndDirtyCurr( wnd );
WndNoSelect( wnd );
WndNoCurrent( wnd );
if( curr.row < WndVirtualTop( wnd ) ) {
if( curr.row > wnd->rows / 2 ) {
WndRepaint( wnd );
WndScrollAbs( wnd, curr.row - wnd->rows / 2 );
} else {
WndRepaint( wnd );
WndScrollAbs( wnd, -wnd->title_size );
}
} else if( curr.row >= WndVirtualBottom( wnd ) ) {
WndRepaint( wnd );
WndScrollAbs( wnd, curr.row - wnd->rows / 2 );
}
wnd->sel_start.row = WndScreenRow( wnd, curr.row );
wnd->sel_start.piece = next_occurence.piece;
wnd->sel_start.col = next_occurence.col;
wnd->sel_end = wnd->sel_start;
wnd->sel_end.col = next_occurence.end - 1;
wnd->current.col = wnd->sel_end.col;
wnd->current = wnd->sel_start;
WndSetCurrCol( wnd );
WndCurrVisible( wnd );
WndDirtyCurr( wnd );
WndFreeRX( rx );
if( wrap ) WndStatusText( search_wrapped );
rc = TRUE;
goto done;
}
if( direction > 0 ) {
if( wrap && curr.row > starting_pos.row ) {
NotFound( wnd, rx, not_found );
rc = FALSE;
goto done;
}
starting_pos.col = -1;
starting_pos.piece = 0;
curr.row = WndNextRow( wnd, curr.row, 1 );
} else {
starting_pos.col = WND_MAX_COL;
starting_pos.piece = WND_MAX_COL;
curr.row = WndNextRow( wnd, curr.row, -1 );
}
curr.piece = 0;
}
done:;
WndSetCache( wnd, had_cache );
WndFree( not_found );
WndFree( top_of_window );
WndFree( end_of_window );
WndFree( search_wrapped );
return( rc );
}
