public Menu(MenuBar host, int x, int y, MenuBarItem barItems) : base(MakeFrame(x, y, barItems.Children))
{
this.barItems = barItems;
this.host = host;
ColorScheme = Colors.Menu;
CanFocus = true;
}
/// <summary>
/// Initialize a context menu with menu items.
/// </summary>
/// <param name="x">The left position.</param>
/// <param name="y">The top position.</param>
/// <param name="menuItems">The menu items.</param>
public ContextMenu(int x, int y, MenuBarItem menuItems)
{
if (IsShow)
{
Hide();
}
MenuItems = menuItems;
Position = new Point(x, y);
}
internal void OpenMenu(int index, int sIndex = -1, MenuBarItem subMenu = null)
{
isMenuOpening = true;
OnOpenMenu?.Invoke(this, null);
int pos = 0;
switch (subMenu)
{
case null:
lastFocused = lastFocused ?? SuperView.MostFocused;
if (openSubMenu != null)
{
CloseMenu(false, true);
}
if (openMenu != null)
{
SuperView.Remove(openMenu);
}
for (int i = 0; i < index; i++)
{
pos += Menus [i].Title.Length + 2;
}
openMenu = new Menu(this, pos, 1, Menus [index]);
openCurrentMenu = openMenu;
openCurrentMenu.previousSubFocused = openMenu;
SuperView.Add(openMenu);
SuperView.SetFocus(openMenu);
break;
default:
if (openSubMenu == null)
{
openSubMenu = new List <Menu> ();
}
if (sIndex > -1)
{
RemoveSubMenu(sIndex);
}
else
{
var last = openSubMenu.Count > 0 ? openSubMenu.Last() : openMenu;
openCurrentMenu = new Menu(this, last.Frame.Left + last.Frame.Width, last.Frame.Top + 1 + last.current, subMenu);
openCurrentMenu.previousSubFocused = last.previousSubFocused;
openSubMenu.Add(openCurrentMenu);
SuperView.Add(openCurrentMenu);
}
selectedSub = openSubMenu.Count - 1;
SuperView?.SetFocus(openCurrentMenu);
break;
}
isMenuOpening = false;
isMenuClosed = false;
}
// Activates the menu, handles either first focus, or activating an entry when it was already active
// For mouse events.
internal void Activate(int idx, int sIdx = -1, MenuBarItem subMenu = null)
{
selected = idx;
selectedSub = sIdx;
if (openMenu == null)
{
previousFocused = SuperView.Focused;
}
OpenMenu(idx, sIdx, subMenu);
SetNeedsDisplay();
}
public Menu(MenuBar host, int x, int y, MenuBarItem barItems) : base(MakeFrame(x, y, barItems.Children))
{
this.barItems = barItems;
this.host = host;
current = -1;
for (int i = 0; i < barItems.Children.Length; i++)
{
if (barItems.Children[i] != null)
{
current = i;
break;
}
}
ColorScheme = Colors.Menu;
CanFocus = true;
}
int GetSubMenuIndex(MenuBarItem subMenu)
{
int pos = -1;
if (this != null && Subviews.Count > 0)
{
Menu v = null;
foreach (var menu in Subviews)
{
if (((Menu)menu).barItems == subMenu)
{
v = (Menu)menu;
}
}
if (v != null)
{
pos = Subviews.IndexOf(v);
}
}
return(pos);
}
/// <summary>
/// Initializes a new <see cref="T:Terminal.Gui.MenuItem"/>.
/// </summary>
/// <param name="title">Title for the menu item.</param>
/// <param name="subMenu">The menu sub-menu.</param>
public MenuItem(ustring title, MenuBarItem subMenu) : this(title, "", null)
{
SubMenu = subMenu;
IsFromSubMenu = true;
}
/// <summary>
/// Initialize a context menu with menu items from a host <see cref="View"/>.
/// </summary>
/// <param name="host">The host view.</param>
/// <param name="menuItems">The menu items.</param>
public ContextMenu(View host, MenuBarItem menuItems) :
this(host.Frame.X, host.Frame.Y, menuItems)
{
Host = host;
}