void VListWin::SetItemSize( int h, int w )
{
if ( itemHeight != h || itemWidth != w )
{
itemHeight = h;
itemWidth = w;
CalcScroll();
Invalidate();
}
}
void VListWin::MoveXOffset( int n )
{
if ( n + listRect.Width() >= itemWidth ) { n = itemWidth - listRect.Width(); }
if ( n < 0 ) { n = 0; }
if ( xOffset != n )
{
xOffset = n;
CalcScroll();
Invalidate();
}
}
void VListWin::MoveCurrent( int n, bool mustVisible )
{
if ( selectType == NO_SELECT )
{
return;
}
int f = first;
if ( n < 0 ) { n = 0; } //count-1;
if ( n >= count )
{
n = count - 1; //n = 0;
}
if ( mustVisible )
{
if ( n - f >= pageSize )
{
f = n - pageSize + 1;
}
if ( f > n ) { f = n; }
if ( f < 0 ) { f = 0; }
}
bool redraw = ( f != first || n != current );
first = f;
bool curChanged = ( n != current );
current = n;
if ( redraw )
{
CalcScroll();
Invalidate();
}
if ( curChanged )
{
Command( CMD_ITEM_CHANGED, GetCurrent(), this, 0 );
}
}
void VListWin::MoveFirst( int n )
{
if ( n + pageSize >= count )
{
n = count - pageSize;
}
if ( n < 0 ) { n = 0; }
if ( first != n )
{
first = n;
CalcScroll();
Invalidate();
}
}
void TextList::DataRefresh()
{
if ( !valid )
{
valid = true;
GC gc( this );
gc.Set( GetFont() );
int X = 0;
int cnt = list.count();
for ( int i = 0; i < cnt; i++ )
{
if ( list[i].pixelWidth < 0 )
{
list[i].pixelWidth = gc.GetTextExtents( list[i].str.data() ).x;
}
if ( list[i].pixelWidth > X )
{
X = list[i].pixelWidth;
}
}
if ( GetCount() != list.count() )
{
SetCount( list.count() );
}
if ( X != this->GetItemWidth() )
{
SetItemSize( GetItemHeight(), X );
}
CalcScroll();
Invalidate();
}
}
