extern bool WndGetLine( a_window *wnd, int row, int piece,
wnd_line_piece *line )
{
int virtual_row;
bool success;
virtual_row = WndVirtualRow( wnd, row );
if( _Is( wnd, WSW_CACHE_LINES ) ) {
if( FindCacheLine( wnd, virtual_row, piece, line ) ) return( TRUE );
}
line->attr = WndPlainAttr;
line->indent = 0;
line->static_text = FALSE;
line->tabstop = TRUE;
line->hot = FALSE;
line->extent = WND_NO_EXTEND;
line->master_tabstop = FALSE;
line->underline = FALSE;
line->draw_bar = FALSE;
line->vertical_line = FALSE;
line->draw_hook = FALSE;
line->draw_line_hook = FALSE;
line->bitmap = FALSE;
line->use_piece0_attr = FALSE;
line->use_prev_attr = FALSE;
line->use_key = TRUE;
line->text = "";
line->hint = "";
if( virtual_row < -wnd->title_size ) return( FALSE );
if( row == wnd->u.button_down.row && piece == wnd->u.button_down.piece ) {
_Set( wnd, WSW_ALTERNATE_BIT );
}
success = wnd->info->getline( wnd, virtual_row, piece, line );
_Clr( wnd, WSW_ALTERNATE_BIT );
if( success ) {
if( !(line->bitmap|line->vertical_line|line->draw_hook|line->draw_line_hook|line->draw_bar) ) {
line->length = strlen( line->text );
}
if( virtual_row > wnd->max_row ) wnd->max_row = virtual_row;
}
if( success ) {
if( _Is( wnd, WSW_CACHE_LINES ) ) {
SetCacheLine( wnd, virtual_row, piece, line );
}
}
return( success );
}
extern void WndEndPaint( a_window *wnd, int row, int num )
{
wnd->info->endpaint( wnd, WndVirtualRow( wnd, row ), num );
}
extern void WndBegPaint( a_window *wnd, int row, int num )
{
wnd->info->begpaint( wnd, WndVirtualRow( wnd, row ), num );
}
extern void WndNotify( a_window *wnd, int row, int piece )
{
wnd->info->notify( wnd, WndVirtualRow( wnd, row ), piece );
}
extern wnd_row WndNoRow( a_window *wnd )
{
return( WndVirtualRow( wnd, WND_NO_ROW ) );
}
extern void WndMenuItem( a_window *wnd, unsigned id, int row, int piece )
{
wnd->info->menuitem( wnd, id, WndVirtualRow( wnd, row ), piece );
}
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 );
}
void WndModify( a_window *wnd, int row, int piece )
{
wnd->info->modify( wnd, WndVirtualRow( wnd, row ), piece );
}
void WndMenuItem( a_window *wnd, gui_ctl_id id, int row, int piece )
{
wnd->info->menuitem( wnd, id, WndVirtualRow( wnd, row ), piece );
}
