// FIXME: replace all invocations with direct call to ViewLayout
protected int GetModelRowAt(int x, int y)
{
if (ViewLayout != null)
{
var child = ViewLayout.FindChildAtPoint(new Point(x, y));
return(child == null ? -1 : ViewLayout.GetModelIndex(child));
}
else
{
if (y < 0 || ChildSize.Height <= 0)
{
return(-1);
}
int v_page_offset = VadjustmentValue % ChildSize.Height;
int first_row = VadjustmentValue / ChildSize.Height;
int row_offset = (y + v_page_offset) / ChildSize.Height;
return(first_row + row_offset);
}
}
CanvasItem GetLayoutChildAt(Point point)
{
point.Offset(-list_interaction_alloc.X, -list_interaction_alloc.Y);
return(ViewLayout.FindChildAtPoint(point));
}
private void OnQueryTooltip(object o, Gtk.QueryTooltipArgs args)
{
if (!args.KeyboardTooltip)
{
if (ViewLayout != null)
{
var pt = new Point(args.X - list_interaction_alloc.X, args.Y - list_interaction_alloc.Y);
var child = ViewLayout.FindChildAtPoint(pt);
if (child != null)
{
string markup;
Rect area;
pt.Offset(ViewLayout.ActualAllocation.Point);
if (child.GetTooltipMarkupAt(pt, out markup, out area))
{
area.Offset(-ViewLayout.ActualAllocation.X, -ViewLayout.ActualAllocation.Y);
area.Offset(list_interaction_alloc.X, list_interaction_alloc.Y);
args.Tooltip.Markup = markup;
args.Tooltip.TipArea = (Gdk.Rectangle)area;
/*if (!area.Contains (args.X, args.Y)) {
* Log.WarningFormat ("Tooltip rect {0} does not contain tooltip point {1},{2} -- this will cause excessive requerying", area, args.X, args.Y);
* }*/
args.RetVal = true;
}
}
}
else if (cell_context != null && cell_context.Layout != null)
{
ITooltipCell cell;
Column column;
int row_index;
if (GetEventCell <ITooltipCell> (args.X, args.Y, out cell, out column, out row_index))
{
CachedColumn cached_column = GetCachedColumnForColumn(column);
string markup = cell.GetTooltipMarkup(cell_context, cached_column.Width);
if (!String.IsNullOrEmpty(markup))
{
Gdk.Rectangle rect = new Gdk.Rectangle();
rect.X = list_interaction_alloc.X + cached_column.X1;
// get the y of the event in list coords
rect.Y = args.Y - list_interaction_alloc.Y;
// get the top of the cell pointed to by list_y
rect.Y -= VadjustmentValue % ChildSize.Height;
rect.Y -= rect.Y % ChildSize.Height;
// convert back to widget coords
rect.Y += list_interaction_alloc.Y;
// TODO is this right even if the list is wide enough to scroll horizontally?
rect.Width = cached_column.Width;
// TODO not right - could be smaller if at the top/bottom and only partially showing
rect.Height = ChildSize.Height;
/*if (!rect.Contains (args.X, args.Y)) {
* Log.WarningFormat ("ListView tooltip rect {0} does not contain tooltip point {1},{2} -- this will cause excessive requerying", rect, args.X, args.Y);
* }*/
args.Tooltip.Markup = markup;
args.Tooltip.TipArea = rect;
args.RetVal = true;
}
}
}
}
// Work around ref counting SIGSEGV, see http://bugzilla.gnome.org/show_bug.cgi?id=478519#c9
if (args.Tooltip != null)
{
args.Tooltip.Dispose();
}
}