private void PaintView(Cairo.Context cr, Rect clip)
{
clip.Intersect((Rect)list_rendering_alloc);
cr.Rectangle((Cairo.Rectangle)clip);
cr.Clip();
cell_context.Clip = (Gdk.Rectangle)clip;
cell_context.TextAsForeground = false;
selected_rows.Clear();
for (int layout_index = 0; layout_index < ViewLayout.ChildCount; layout_index++)
{
var layout_child = ViewLayout[layout_index];
var child_allocation = layout_child.Allocation;
if (!child_allocation.IntersectsWith(clip) || ViewLayout.GetModelIndex(layout_child) >= Model.Count)
{
continue;
}
if (Selection != null && Selection.Contains(ViewLayout.GetModelIndex(layout_child)))
{
selected_rows.Add(ViewLayout.GetModelIndex(layout_child));
var selection_color = CairoExtensions.GdkRGBAToCairoColor(StyleContext.GetBackgroundColor(StateFlags.Selected));
if (!HasFocus || HeaderFocused)
{
selection_color = CairoExtensions.ColorShade(selection_color, 1.1);
}
Theme.DrawRowSelection(cr,
(int)child_allocation.X, (int)child_allocation.Y,
(int)child_allocation.Width, (int)child_allocation.Height,
true, true, selection_color, CairoCorners.All);
cell_context.State = StateFlags.Selected;
}
else
{
cell_context.State = StateFlags.Normal;
}
//cr.Save ();
//cr.Translate (child_allocation.X, child_allocation.Y);
//cr.Rectangle (0, 0, child_allocation.Width, child_allocation.Height);
//cr.Clip ();
layout_child.Render(cell_context);
//cr.Restore ();
}
cr.ResetClip();
}
// 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);
}
}
private void PaintView(Cairo.Context cr, Rect clip)
{
clip.Intersect((Rect)list_rendering_alloc);
cr.Rectangle((Cairo.Rectangle)clip);
cr.Clip();
cell_context.Clip = (Gdk.Rectangle)clip;
cell_context.TextAsForeground = false;
selected_rows.Clear();
for (int layout_index = 0; layout_index < ViewLayout.ChildCount; layout_index++)
{
var layout_child = ViewLayout[layout_index];
var child_allocation = layout_child.Allocation;
if (!child_allocation.IntersectsWith(clip) || ViewLayout.GetModelIndex(layout_child) >= Model.Count)
{
continue;
}
if (Selection != null && Selection.Contains(ViewLayout.GetModelIndex(layout_child)))
{
selected_rows.Add(ViewLayout.GetModelIndex(layout_child));
PaintRowSelection(cr, (int)child_allocation.X, (int)child_allocation.Y,
(int)child_allocation.Width, (int)child_allocation.Height);
cell_context.Selected = true;
}
else
{
cell_context.Selected = false;
}
layout_child.Render(cell_context);
}
cr.ResetClip();
}