/// <summary>
/// Recalculates menu size based on the menu items.
/// </summary>
///
private void ResizeToFitContents()
{
if (!MenuItems.StructureChanged)
{
return;
}
// Remove improperly placed separators
//
if (IsMainMenu)
{
// Remove all separators from horizontal menu
//
while (true)
{
MenuItem mi = MenuItems.Find(item => item.Text == Separator);
if (mi == null)
{
break;
}
MenuItems.Remove(mi);
}
}
else
{
// Remove separators at the first and last positions in vertical menu
//
while (MenuItems.Count > 0 && MenuItems[0].Text == Separator)
{
MenuItems.RemoveAt(0);
}
while (MenuItems.Count > 0 &&
MenuItems[MenuItems.Count - 1].Text == Separator)
{
MenuItems.RemoveAt(MenuItems.Count - 1);
}
}
Current += 0; // revalidate current
MenuItems.AcknolwedgeStructureChange();
// Calculate maximum dimensions of menu items
//
TextWidth = 0;
ShortcutWidth = 0;
HasSubsubItems = false;
int position = 0;
foreach (MenuItem mi in MenuItems)
{
HasSubsubItems = HasSubsubItems || mi.MenuItems.Count > 0;
if (IsMainMenu && mi.Text != Separator)
{
position += mi.Text.Length
+ LeftPadding + RightPadding + HorizontalSpacing;
TextWidth = position;
}
else if (!IsMainMenu)
{
++position;
TextWidth = Math.Max(TextWidth, mi.Text.Length);
ShortcutWidth = Math.Max(ShortcutWidth, mi.VerboseShortcut.Length);
}
}
// Reset position relative to master, if any
//
if (Master != null && Master.CurrentItem != null)
{
if (Master.IsMainMenu)
{
Left = Master.Left + Master.GetPosition(Master.Current);
Top = Master.Top + 2;
}
else
{
Left = Master.Left + Master.Width + 1;
Top = Master.Top + Master.GetPosition(Master.Current);
}
}
// Finally, resize window to reflect menu items' dimensions
//
if (IsMainMenu)
{
Width = Math.Max(Width, Math.Max(position, 1));
Height = Math.Max(Height, 1);
}
else
{
int width = TextWidth + ShortcutWidth + LeftPadding + RightPadding
+ (ShortcutWidth > 0 ? HorizontalSpacing : 0)
+ (HasSubsubItems ? 1 : 0);
if (AutoSize)
{
Width = Math.Max(Width, Math.Max(width, 1));
Height = Math.Max(Height, Math.Max(position, 1));
}
else
{
ShortcutWidth = Math.Max(0, Width - width - HorizontalSpacing);
}
}
}