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 WndRefresh( a_window * wnd )
{
wnd->info->refresh( wnd );
WndKillCacheLines( wnd );
}
void WndPaintDirt( a_window *wnd )
{
int i;
wnd_line_piece line;
wnd_line_piece next_piece_line;
gui_rect rect;
wnd_dirt *dirt;
gui_coord size;
gui_coord half_char;
a_window *next;
// a_window *last;
// last = NULL;
for( wnd = WndNext( NULL ); wnd != NULL; wnd = next ) {
next = WndNext( wnd );
if( wnd->vscroll_pending != 0 ) {
if( wnd->hscroll_pending != -1 ) {
_Set( wnd, WSW_REPAINT );
}
if( _Is( wnd, WSW_REPAINT ) ) {
if( wnd->hscroll_pending != -1 ) {
GUIInitHScroll( wnd->gui, wnd->hscroll_pending );
}
WndRepaint( wnd );
wnd->hscroll_pending = -1;
wnd->vscroll_pending = 0;
} else {
for( i = 0; i < wnd->title_size; ++i ) {
GUIDrawTextExtent( wnd->gui, " ", 1, i, 0, GUI_BACKGROUND, GUI_NO_COLUMN );
}
GUIDoVScrollClip( wnd->gui, wnd->vscroll_pending,
wnd->title_size, wnd->rows - 1 );
wnd->vscroll_pending = 0;
}
}
if( _Is( wnd, WSW_REPAINT ) ) {
_Clr( wnd, WSW_REPAINT );
WndKillCacheLines( wnd );
WndCheckCurrentValid( wnd );
GUIWndDirty( wnd->gui );
if( wnd->max_indent != 0 && wnd->width >= wnd->max_indent ) {
GUISetHScroll( wnd->gui, 0 );
wnd->hscroll_pending = -1;
GUISetHScrollRange( wnd->gui, wnd->max_indent );
}
next = wnd;
} else {
for( i = 0; i < wnd->dirtyrects; ++i ) {
dirt = &wnd->dirty[i];
if( dirt->row < 0 ) continue;
if( dirt->row >= wnd->rows ) continue;
if( dirt->piece == WND_NO_PIECE ) {
if( !WndGetLine( wnd, dirt->row, 0, &line ) ) continue;
GUIWndDirtyRow( wnd->gui, dirt->row );
} else {
if( !WndGetLine( wnd, dirt->row, dirt->piece, &line ) ) continue;
if( line.bitmap ) {
GUIGetHotSpotSize( line.text[0], &size );
rect.x = line.indent;
rect.y = dirt->row * wnd->max_char.y;
rect.width = line.length;
rect.height = size.y;
} else if( dirt->col != WND_NO_COL ) {
if( line.length == 0 ) line.text = " ";
rect.x = line.indent;
rect.x += GUIGetExtentX(wnd->gui, line.text, dirt->col);
rect.y = dirt->row * wnd->max_char.y;
rect.width = GUIGetExtentX( wnd->gui, line.text+dirt->col, dirt->end_col-dirt->col+GUICharLen( line.text[dirt->col] ) );
rect.height = wnd->max_char.y;
} else if( line.extent == WND_MAX_EXTEND || line.master_tabstop ) {
rect.width = 0;
rect.height = 0;
GUIWndDirtyRow( wnd->gui, dirt->row );
} else {
rect.x = line.indent;
if( WndGetLine( wnd, dirt->row, dirt->piece+1, &next_piece_line ) ) {
if( next_piece_line.indent < line.indent ) {
rect.width = WND_APPROX_SIZE;
} else {
rect.width = next_piece_line.indent - line.indent;
}
} else {
rect.width = WND_APPROX_SIZE;
}
rect.y = dirt->row * wnd->max_char.y;
rect.height = wnd->max_char.y;
}
/* begin kludge for Kerning problem */
if( rect.width != 0 || rect.height != 0 ) {
half_char.x = WndAvgCharX( wnd ) / 2;
half_char.y = 0;
GUITruncToPixel( &half_char );
if( rect.x < half_char.x ) {
rect.width += half_char.x + rect.x;
rect.x = 0;
} else {
rect.x -= half_char.x;
rect.width += half_char.x + half_char.x;
}
GUIWndDirtyRect( wnd->gui, &rect );
}
}
}
}
if( wnd->hscroll_pending != -1 ) {
GUISetHScroll( wnd->gui, wnd->hscroll_pending );
wnd->hscroll_pending = -1;
}
wnd->dirtyrects = 0;
WndSetThumb( wnd );
}
}