internal void DrawIntermediateState(Graphics g)
{
if (!IsInATreeListView)
{
return;
}
if (TreeListView._updating)
{
return;
}
Debug.Assert(!TreeListView.InvokeRequired);
if (TreeListView.CheckBoxes != CheckBoxesTypes.Recursive || TreeListView.Columns.Count == 0)
{
return;
}
if (CheckStatus == CheckState.Indeterminate)
{
Rectangle rect = GetBounds(ItemBoundsPortion.Icon);
Rectangle r = TreeListView._comctl32Version >= 6 ?
new Rectangle(rect.Left - 14, rect.Top + 5, rect.Height - 10, rect.Height - 10) :
new Rectangle(rect.Left - 11, rect.Top + 5, rect.Height - 10, rect.Height - 10);
Brush brush = new Drawing.Drawing2D.LinearGradientBrush(r, Color.Gray, Color.LightBlue, 45, false);
if (TreeListView.Columns[0].Width > (Level + (TreeListView.ShowPlusMinus ? 2 : 1)) * SystemInformation.SmallIconSize.Width)
{
g.FillRectangle(brush, r);
}
brush.Dispose();
}
Console.WriteLine($"Draw intermediat state for {Text} - {Index}");
for (int i = 0; i < SubItems.Count; ++i)
{
var asControlWrapper = SubItems[i] as IControlWrappedItem;
if (asControlWrapper == null)
{
continue;
}
if (asControlWrapper.Control.Visible)
{
asControlWrapper.Control.Bounds = TreeListView.GetSubItemRect(Index, i);
Console.WriteLine($"item {Text} - {Index},{i}, { asControlWrapper.Control.Bounds} { asControlWrapper.Control}");
}
}
}
public void ShowEditControl()
{
if (_treelistview.FocusedItem == null)
{
return;
}
ListViewItem item = (ListViewItem)_treelistview.EditedItem.Item;
Rectangle rec = _treelistview.EditedItem.ColumnIndex > 0 ?
_treelistview.GetSubItemRect(item.Index, _treelistview.EditedItem.ColumnIndex) :
_treelistview.GetItemRect(item.Index, ItemBoundsPortion.Label);
_editor.Size = rec.Size;
_editor.Location = rec.Location;
_editor.Top--;
_editor.Show();
_editor.Text = item.SubItems[_treelistview.EditedItem.ColumnIndex].Text;
_editor.Focus();
}
internal void DrawFocusCues()
{
if (!IsInATreeListView)
{
return;
}
if (TreeListView._updating)
{
return;
}
if (TreeListView.HideSelection && !TreeListView.Focused)
{
return;
}
Graphics g = Graphics.FromHwnd(TreeListView.Handle);
if (Visible)
{
Rectangle entireitemrect = GetBounds(ItemBoundsPortion.Entire);
if (entireitemrect.Bottom > entireitemrect.Height * 1.5f)
{
Rectangle labelitemrect = GetBounds(ItemBoundsPortion.Label);
Rectangle itemonlyrect = GetBounds(ItemBoundsPortion.ItemOnly);
Rectangle selecteditemrect = new Rectangle(
labelitemrect.Left,
labelitemrect.Top,
TreeListView.FullRowSelect ? entireitemrect.Width - labelitemrect.Left - 1 : itemonlyrect.Width - SystemInformation.SmallIconSize.Width - 1,
labelitemrect.Height - 1);
Pen pen = new Pen(TreeListView.Focused && Selected ? Color.Blue : ColorUtil.CalculateColor(SystemColors.Highlight, SystemColors.Window, 130));
for (int i = 1; i < TreeListView.Columns.Count; i++)
{
Rectangle rect = TreeListView.GetSubItemRect(Index, i);
if (rect.X < selecteditemrect.X)
{
selecteditemrect = new Rectangle(
rect.X, selecteditemrect.Y,
selecteditemrect.Width + (selecteditemrect.X - rect.X),
selecteditemrect.Height);
}
}
g.DrawRectangle(new Pen(ColorUtil.VSNetSelectionColor), selecteditemrect);
// Fill the item (in CommCtl V6, the selection area is not always the same :
// label only or first column). I decided to always draw the entire column...
if (!TreeListView.FullRowSelect)
{
g.FillRectangle(
new SolidBrush(BackColor),
itemonlyrect.Right - 1, itemonlyrect.Top,
labelitemrect.Width - itemonlyrect.Width + SystemInformation.SmallIconSize.Width + 1, selecteditemrect.Height + 1);
}
//bool draw = true;
//if (PrevVisibleItem != null)
// if (PrevVisibleItem.Selected) draw = false;
//// Draw upper line if previous item is not selected
////if (draw) g.DrawLine(pen, selecteditemrect.Left, selecteditemrect.Top, selecteditemrect.Right, selecteditemrect.Top);
////g.DrawLine(pen, selecteditemrect.Left, selecteditemrect.Top, selecteditemrect.Left, selecteditemrect.Bottom);
//draw = true;
//if (NextVisibleItem != null)
// if (NextVisibleItem.Selected) draw = false;
//// Draw lower line if net item is not selected
////if (draw) g.DrawLine(pen, selecteditemrect.Left, selecteditemrect.Bottom, selecteditemrect.Right, selecteditemrect.Bottom);
////g.DrawLine(pen, selecteditemrect.Right, selecteditemrect.Top, selecteditemrect.Right, selecteditemrect.Bottom);
//// If FullRowSelect is false and multiselect is enabled, the items don't have the same width
if (!TreeListView.FullRowSelect && NextVisibleItem != null)
{
if (NextVisibleItem.Selected)
{
int nextItemWidth = NextVisibleItem.GetBounds(TreeListViewItemBoundsPortion.ItemOnly).Width;
if (nextItemWidth != itemonlyrect.Width)
{
g.DrawLine(
pen,
selecteditemrect.Right,
selecteditemrect.Bottom,
selecteditemrect.Right - (itemonlyrect.Width - nextItemWidth),
selecteditemrect.Bottom);
}
}
}
pen.Dispose();
}
}
g.Dispose();
}