void SetHotColumn(TreeListColumn col, bool ishot)
{
int scrolloffset = HScrollValue();
if (col != m_hotColumn)
{
if (m_hotColumn != null)
{
m_hotColumn.ishot = false;
Rectangle r = m_hotColumn.CalculatedRect;
r.X -= scrolloffset;
Invalidate(r);
}
m_hotColumn = col;
if (m_hotColumn != null)
{
m_hotColumn.ishot = ishot;
Rectangle r = m_hotColumn.CalculatedRect;
r.X -= scrolloffset;
Invalidate(r);
}
}
}
protected virtual Rectangle GetPlusMinusRectangle(Node node, TreeListColumn firstColumn, int visibleRowIndex)
{
if (node.HasChildren == false)
{
return(Rectangle.Empty);
}
int hScrollOffset = HScrollValue();
if (firstColumn.CalculatedRect.Right - hScrollOffset < RowHeaderWidth())
{
return(Rectangle.Empty);
}
System.Diagnostics.Debug.Assert(firstColumn.VisibleIndex == 0);
Rectangle glyphRect = firstColumn.CalculatedRect;
glyphRect.X -= hScrollOffset;
glyphRect.X += GetIndentSize(node);
glyphRect.X += Columns.Options.LeftMargin;
glyphRect.Width = 10;
glyphRect.Y = VisibleRowToYPoint(visibleRowIndex);
glyphRect.Height = RowOptions.ItemHeight;
return(glyphRect);
}
protected override void OnMouseDown(MouseEventArgs e)
{
this.Focus();
if (e.Button == MouseButtons.Right)
{
Point mousePoint = new Point(e.X, e.Y);
Node clickedNode = CalcHitNode(mousePoint);
if (clickedNode != null)
{
// if multi select the selection is cleard if clicked node is not in selection
if (MultiSelect)
{
if (NodesSelection.Contains(clickedNode) == false)
{
MultiSelectAdd(clickedNode, Control.ModifierKeys);
}
}
FocusedNode = clickedNode;
Invalidate();
}
BeforeShowContextMenu();
}
if (e.Button == MouseButtons.Left)
{
CommonTools.HitInfo info = Columns.CalcHitInfo(new Point(e.X, e.Y), HScrollValue());
if ((int)(info.HitType & HitInfo.eHitType.kColumnHeaderResize) > 0)
{
m_resizingColumn = info.Column;
m_resizingColumnScrollOffset = HScrollValue();
return;
}
}
base.OnMouseDown(e);
}
protected virtual TreeList.TextFormatting GetFormatting(Node node, TreeListColumn column)
{
return(column.CellFormat);
}