protected override void OnWindowlessClick(WindowlessControlHost sender, WindowlessMouseEventArgs e)
{
base.OnWindowlessClick(sender, e);
if (!e.Handled)
{
Checked = !Checked;
}
}
void OnCheckedChanged(object sender, DependencyPropertyEventArgs e)
{
WindowlessControlHost.WindowlessInvalidate(this);
if (CheckedChanged != null)
{
CheckedChanged(this);
}
}
protected override void OnWindowlessLostFocus(WindowlessControlHost sender, EventArgs e)
{
base.OnWindowlessLostFocus(sender, e);
if (!HasEditFocus && IsEditing)
{
IsEditing = false;
}
}
//protected override void OnWindowlessKeyPress(Control sender, KeyPressEventArgs e)
//{
// base.OnWindowlessKeyPress(sender, e);
// if (!e.Handled && e.KeyChar == '\r')
// {
// IsEditing = !IsEditing;
// }
//}
protected override void OnWindowlessClick(WindowlessControlHost sender, WindowlessMouseEventArgs e)
{
if (!e.Handled)
{
e.Handled = true;
IsEditing = !IsEditing;
}
base.OnWindowlessClick(sender, e);
}
public void PositionControl()
{
Control topLevelControl = WindowlessControlHost.GetHost(myDropdownSource).TopLevelControl;
if (Parent != topLevelControl)
{
Parent = topLevelControl;
}
Point topLeft = WindowlessPointToForm(myDropdownSource, Point.Empty);
Point bottomLeft = WindowlessPointToForm(myDropdownSource, new Point(0, myDropdownSource.Height));
int bottomSpaceAvailable = topLevelControl.Height - bottomLeft.Y;
int maxHeight = Math.Max(topLeft.Y, bottomSpaceAvailable);
//int maxWidth = TopLevelControl.Width - topLeft.X;
int maxWidth = myDropdownSource.Width;
Width = maxWidth;
Height = maxHeight;
Remeasure();
Size newClientSize = ClientSize;
if (Control.Height < ClientSize.Height)
{
newClientSize.Height = Control.Height;
}
if (Control.Width < ClientSize.Width)
{
newClientSize.Width = Control.Width;
}
if (newClientSize != ClientSize)
{
ClientSize = newClientSize;
}
if (Height < bottomSpaceAvailable || bottomSpaceAvailable >= topLeft.Y)
{
Location = bottomLeft;
}
else
{
Location = topLeft;
}
BringToFront();
}
public DropdownControl(WindowlessControlHost dropdownSource, IWindowlessControl dropdownContent)
{
AutoScroll = true;
Orientation = Orientation.Vertical;
myDropdownSource = dropdownSource;
OverlayPanel overlay = new OverlayPanel();
WindowlessRectangle rectangle = new WindowlessRectangle();
rectangle.Color = SystemColors.ControlDarkDark;
rectangle.Filled = false;
overlay.Controls.Add(rectangle);
OverlayPanel inner = new OverlayPanel();
inner.Margin = new Thickness(1, 1, 1, 1);
inner.Controls.Add(dropdownContent);
overlay.Controls.Add(inner);
overlay.FitHeightControl = overlay.FitWidthControl = inner;
Control = overlay;
}
void myDropdown_WindowlessClick(WindowlessControlHost sender, WindowlessMouseEventArgs e)
{
Content = myItemsControl.CurrentSelection;
IsEditing = false;
}
