protected override void OnMouseLeave(EventArgs e)
{
rowAtMousePosition = null;
if (itemAtMousePosition != null)
{
OnLeaveItem(itemAtMousePosition);
itemAtMousePosition = null;
}
base.OnMouseLeave(e);
}
/// <summary>
/// Gets the upper left corner of the specified row.
/// </summary>
public Point GetPositionFromRow(DynamicListRow row)
{
int y = -scrollOffset;
foreach (DynamicListRow r in Rows)
{
if (r == row)
{
return(new Point(0, y));
}
y += r.Height + lineMarginY;
}
throw new ArgumentException("The row in not in this list!");
}
public DynamicListItem GetItemFromPoint(Point position)
{
DynamicListRow row = GetRowFromPoint(position.Y);
if (row == null)
{
return(null);
}
int columnIndex = GetColumnIndexFromPoint(position.X);
if (columnIndex < 0)
{
return(null);
}
return(row[columnIndex]);
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
DynamicListRow row = GetRowFromPoint(e.Y);
if (rowAtMousePosition != row)
{
rowAtMousePosition = row;
Invalidate();
}
if (row == null)
{
return;
}
int columnIndex = GetColumnIndexFromPoint(e.X);
if (columnIndex < 0)
{
return;
}
DynamicListItem item = row[columnIndex];
if (itemAtMousePosition != item)
{
if (itemAtMousePosition != null)
{
OnLeaveItem(itemAtMousePosition);
}
ResetMouseEventArgs(); // raise hover again
itemAtMousePosition = item;
if (item != null)
{
if (item.Cursor != null)
{
this.Cursor = item.Cursor;
}
item.OnMouseEnter(this);
}
}
if (item != null)
{
item.OnMouseMove(new DynamicListMouseEventArgs(this, e));
}
}
internal DynamicListItem(DynamicListRow row)
{
this.row = row;
}
protected override void OnMouseLeave(EventArgs e)
{
rowAtMousePosition = null;
if (itemAtMousePosition != null) {
OnLeaveItem(itemAtMousePosition);
itemAtMousePosition = null;
}
base.OnMouseLeave(e);
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
DynamicListRow row = GetRowFromPoint(e.Y);
if (rowAtMousePosition != row) {
rowAtMousePosition = row;
Invalidate();
}
if (row == null)
return;
int columnIndex = GetColumnIndexFromPoint(e.X);
if (columnIndex < 0)
return;
DynamicListItem item = row[columnIndex];
if (itemAtMousePosition != item) {
if (itemAtMousePosition != null) {
OnLeaveItem(itemAtMousePosition);
}
ResetMouseEventArgs(); // raise hover again
itemAtMousePosition = item;
if (item != null) {
if (item.Cursor != null)
this.Cursor = item.Cursor;
item.OnMouseEnter(this);
}
}
if (item != null) {
item.OnMouseMove(new DynamicListMouseEventArgs(this, e));
}
}
/// <summary>
/// Gets the upper left corner of the specified row.
/// </summary>
public Point GetPositionFromRow(DynamicListRow row)
{
int y = -scrollOffset;
foreach (DynamicListRow r in Rows) {
if (r == row)
return new Point(0, y);
y += r.Height + lineMarginY;
}
throw new ArgumentException("The row in not in this list!");
}
internal DynamicListItem(DynamicListRow row)
{
this.row = row;
}