protected override bool OnButtonReleaseEvent(EventButton evnt)
{
if (isRectSelection)
{
// remove scrolling and rectangular selection
if (scroll_timeout != 0)
{
GLib.Source.Remove(scroll_timeout);
scroll_timeout = 0;
}
isRectSelection = false;
if (BinWindow != null)
{
BinWindow.InvalidateRect(rect_select, false);
BinWindow.ProcessUpdates(true);
}
rect_select = new Rectangle();
}
else if (!isDragDrop)
{
int cell_num = CellAtPosition((int)evnt.X, (int)evnt.Y);
if (cell_num != -1)
{
if ((evnt.State & ModifierType.ControlMask) != 0)
{
Selection.ToggleCell(cell_num);
}
else if ((evnt.State & ModifierType.ShiftMask) != 0)
{
Selection.Add(FocusCell, cell_num);
}
else
{
Selection.Clear();
Selection.Add(cell_num);
}
FocusCell = cell_num;
}
}
isDragDrop = false;
return(true);
}
public void InvalidateCell(int cell_num)
{
Rectangle cell_area = CellBounds(cell_num);
// FIXME where are we computing the bounds incorrectly
cell_area.Width -= 1;
cell_area.Height -= 1;
Gdk.Rectangle visible =
new Gdk.Rectangle((int)Hadjustment.Value,
(int)Vadjustment.Value,
Allocation.Width,
Allocation.Height);
Gdk.Rectangle intersection;
if (BinWindow != null && cell_area.Intersect(visible, out intersection))
{
BinWindow.InvalidateRect(intersection, false);
}
}
