void wxVListBoxComboPopup::OnMouseMove(wxMouseEvent& event)
{
event.Skip();
// Move selection to cursor if it is inside the popup
int y = event.GetPosition().y;
int fromBottom = GetClientSize().y - y;
// Since in any case we need to find out if the last item is only
// partially visible, we might just as well replicate the HitTest
// loop here.
const size_t lineMax = GetVisibleEnd();
for ( size_t line = GetVisibleBegin(); line < lineMax; line++ )
{
y -= OnGetRowHeight(line);
if ( y < 0 )
{
// Only change selection if item is fully visible
if ( (y + fromBottom) >= 0 )
{
wxVListBox::SetSelection((int)line);
return;
}
}
}
}
void wxVListBox::OnPaint(wxPaintEvent& WXUNUSED(event))
{
wxSize clientSize = GetClientSize();
wxAutoBufferedPaintDC dc(this);
// the update rectangle
wxRect rectUpdate = GetUpdateClientRect();
// fill it with background colour
dc.SetBackground(GetBackgroundColour());
dc.Clear();
// the bounding rectangle of the current line
wxRect rectRow;
rectRow.width = clientSize.x;
// iterate over all visible lines
const size_t lineMax = GetVisibleEnd();
for ( size_t line = GetVisibleBegin(); line < lineMax; line++ )
{
const wxCoord hRow = OnGetRowHeight(line);
rectRow.height = hRow;
// and draw the ones which intersect the update rect
if ( rectRow.Intersects(rectUpdate) )
{
// don't allow drawing outside of the lines rectangle
wxDCClipper clip(dc, rectRow);
wxRect rect = rectRow;
OnDrawBackground(dc, rect, line);
OnDrawSeparator(dc, rect, line);
rect.Deflate(m_ptMargins.x, m_ptMargins.y);
OnDrawItem(dc, rect, line);
}
else // no intersection
{
if ( rectRow.GetTop() > rectUpdate.GetBottom() )
{
// we are already below the update rect, no need to continue
// further
break;
}
//else: the next line may intersect the update rect
}
rectRow.y += hRow;
}
}
// hit testing
int wxSymbolListCtrl::HitTest(const wxPoint& pt)
{
wxCoord lineHeight = OnGetRowHeight(0);
int atLine = GetVisibleBegin() + (pt.y/lineHeight);
int symbol = (atLine*m_symbolsPerLine) + (pt.x/(m_cellSize.x+1));
if (symbol >= m_minSymbolValue && symbol <= m_maxSymbolValue)
return symbol;
return -1;
}
wxRect wxVListBox::GetItemRect(size_t n) const
{
wxRect itemrect;
// check that this item is visible
const size_t lineMax = GetVisibleEnd();
if ( n >= lineMax )
return itemrect;
size_t line = GetVisibleBegin();
if ( n < line )
return itemrect;
while ( line <= n )
{
itemrect.y += itemrect.height;
itemrect.height = OnGetRowHeight(line);
line++;
}
itemrect.width = GetClientSize().x;
return itemrect;
}
void wxSymbolListCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
{
// If size is larger, recalculate double buffer bitmap
wxSize clientSize = GetClientSize();
if ( !m_doubleBuffer ||
clientSize.x > m_doubleBuffer->GetWidth() ||
clientSize.y > m_doubleBuffer->GetHeight() )
{
delete m_doubleBuffer;
m_doubleBuffer = new wxBitmap(clientSize.x+25,clientSize.y+25);
}
wxBufferedPaintDC dc(this,*m_doubleBuffer);
// the update rectangle
wxRect rectUpdate = GetUpdateClientRect();
// fill it with background colour
dc.SetBackground(GetBackgroundColour());
dc.Clear();
// set the font to be displayed
dc.SetFont(GetFont());
// the bounding rectangle of the current line
wxRect rectRow;
rectRow.width = clientSize.x;
dc.SetPen(wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT)));
dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
// iterate over all visible lines
const size_t lineMax = GetVisibleEnd();
for ( size_t line = GetVisibleBegin(); line < lineMax; line++ )
{
const wxCoord hRow = OnGetRowHeight(line);
rectRow.height = hRow;
// and draw the ones which intersect the update rect
if ( rectRow.Intersects(rectUpdate) )
{
// don't allow drawing outside of the lines rectangle
wxDCClipper clip(dc, rectRow);
wxRect rect = rectRow;
rect.Deflate(m_ptMargins.x, m_ptMargins.y);
OnDrawItem(dc, rect, line);
}
else // no intersection
{
if ( rectRow.GetTop() > rectUpdate.GetBottom() )
{
// we are already below the update rect, no need to continue
// further
break;
}
//else: the next line may intersect the update rect
}
rectRow.y += hRow;
}
}
