private void DrawEnumItem(OdinMenuItem obj)
{
if (Event.current.type == EventType.MouseDown && obj.Rect.Contains(Event.current.mousePosition))
{
obj.Select();
Event.current.Use();
wasMouseDown = true;
}
if (wasMouseDown)
{
GUIHelper.RequestRepaint();
}
if (wasMouseDown == true && Event.current.type == EventType.MouseDrag && obj.Rect.Contains(Event.current.mousePosition))
{
obj.Select();
}
if (Event.current.type == EventType.MouseUp)
{
wasMouseDown = false;
if (obj.IsSelected && obj.Rect.Contains(Event.current.mousePosition))
{
obj.MenuTree.Selection.ConfirmSelection();
}
}
}
private void EnableSingleClickToSelect(OdinMenuItem obj)
{
var t = Event.current.type;
if (t == EventType.Layout)
{
return;
}
if (obj.Rect.Contains(Event.current.mousePosition) == false)
{
return;
}
GUIHelper.RequestRepaint();
if (Event.current.type == EventType.MouseDrag)
{
if (obj is T)
{
if (this.IsValidSelection(Enumerable.Repeat((T)obj.Value, 1)))
{
obj.Select();
}
}
}
bool confirm = t == EventType.MouseUp && (obj.ChildMenuItems.Count == 0);
if (confirm)
{
obj.MenuTree.Selection.ConfirmSelection();
Event.current.Use();
}
}
/// <summary>
/// Handles the keybaord menu navigation. Call this at the end of your GUI scope, to prevent the menu tree from stealing input events from text fields and such.
/// </summary>
/// <returns>Returns true, if anything was changed via the keyboard.</returns>
public bool HandleKeybaordMenuNavigation()
{
if (Event.current.type != EventType.KeyDown)
{
return(false);
}
GUIHelper.RequestRepaint();
if (this.Selection.Count == 0)
{
OdinMenuItem next = null;
if (Event.current.keyCode == KeyCode.DownArrow)
{
next = this.MenuItems.FirstOrDefault();
}
else if (Event.current.keyCode == KeyCode.UpArrow)
{
next = this.MenuItems.LastOrDefault();
}
else if (Event.current.keyCode == KeyCode.LeftAlt)
{
next = this.MenuItems.FirstOrDefault();
}
else if (Event.current.keyCode == KeyCode.RightAlt)
{
next = this.MenuItems.FirstOrDefault();
}
if (next != null)
{
Event.current.Use();
next.Select();
return(true);
}
}
else
{
if (Event.current.keyCode == KeyCode.RightArrow)
{
foreach (var curr in this.Selection.ToList())
{
curr.Toggled = true;
if ((Event.current.modifiers & EventModifiers.Alt) != 0)
{
foreach (var item in curr.GetChildMenuItemsRecursive(false))
{
item.Toggled = curr.Toggled;
}
}
}
Event.current.Use();
}
else if (Event.current.keyCode == KeyCode.LeftArrow)
{
foreach (var curr in this.Selection.ToList())
{
if (curr.Parent != null && (!curr.ChildMenuItems.Any() || curr.Parent.Toggled == false))
{
curr.Parent.Select();
return(true);
}
else
{
curr.Toggled = false;
if ((Event.current.modifiers & EventModifiers.Alt) != 0)
{
foreach (var item in curr.GetChildMenuItemsRecursive(false))
{
item.Toggled = curr.Toggled;
}
}
}
}
Event.current.Use();
}
else if (Event.current.keyCode == KeyCode.UpArrow)
{
if ((Event.current.modifiers & EventModifiers.Shift) != 0)
{
var last = this.Selection.Last();
var prev = last.PrevVisualMenuItem;
if (prev != null)
{
if (prev.IsSelected)
{
last.Deselect();
return(true);
}
else
{
prev.Select(true);
return(true);
}
}
}
else
{
var prev = this.Selection.Last().PrevVisualMenuItem;
if (prev != null)
{
prev.Select();
return(true);
}
}
Event.current.Use();
}
else if (Event.current.keyCode == KeyCode.DownArrow)
{
if ((Event.current.modifiers & EventModifiers.Shift) != 0)
{
var last = this.Selection.Last();
var next = last.NextVisualMenuItem;
if (next != null)
{
if (next.IsSelected)
{
last.Deselect();
return(true);
}
else
{
next.Select(true);
return(true);
}
}
}
else
{
var next = this.Selection.Last().NextVisualMenuItem;
if (next != null)
{
next.Select();
return(true);
}
}
Event.current.Use();
}
}
return(false);
}
/// <summary>
/// Handles the keybaord menu navigation. Call this at the end of your GUI scope, to prevent the menu tree from stealing input events from other text fields.
/// </summary>
/// <returns>Returns true, if anything was changed via the keyboard.</returns>
public bool HandleKeybaordMenuNavigation()
{
if (Event.current.type != EventType.KeyDown)
{
return(false);
}
if (OdinMenuTree.ActiveMenuTree != this)
{
return(false);
}
GUIHelper.RequestRepaint();
var keycode = Event.current.keyCode;
// Select first or last if no visisble items is slected.
if (this.Selection.Count == 0 || !this.Selection.Any(x => x._IsVisible()))
{
var query = this.DrawInSearchMode ? this.FlatMenuTree : this.EnumerateTree().Where(x => x._IsVisible());
OdinMenuItem next = null;
if (keycode == KeyCode.DownArrow)
{
next = query.FirstOrDefault();
}
else if (keycode == KeyCode.UpArrow)
{
next = query.LastOrDefault();
}
else if (keycode == KeyCode.LeftAlt)
{
next = query.FirstOrDefault();
}
else if (keycode == KeyCode.RightAlt)
{
next = query.FirstOrDefault();
}
if (next != null)
{
next.Select();
Event.current.Use();
return(true);
}
}
else
{
if (keycode == KeyCode.LeftArrow && !this.DrawInSearchMode)
{
bool goUp = true;
foreach (var curr in this.Selection.ToList())
{
if (curr.Toggled == true && curr.ChildMenuItems.Any())
{
goUp = false;
curr.Toggled = false;
}
if ((Event.current.modifiers & EventModifiers.Alt) != 0)
{
goUp = false;
foreach (var item in curr.GetChildMenuItemsRecursive(false))
{
item.Toggled = curr.Toggled;
}
}
}
if (goUp)
{
keycode = KeyCode.UpArrow;
}
Event.current.Use();
}
if (keycode == KeyCode.RightArrow && !this.DrawInSearchMode)
{
bool goDown = true;
foreach (var curr in this.Selection.ToList())
{
if (curr.Toggled == false && curr.ChildMenuItems.Any())
{
curr.Toggled = true;
goDown = false;
}
if ((Event.current.modifiers & EventModifiers.Alt) != 0)
{
goDown = false;
foreach (var item in curr.GetChildMenuItemsRecursive(false))
{
item.Toggled = curr.Toggled;
}
}
}
if (goDown)
{
keycode = KeyCode.DownArrow;
}
Event.current.Use();
}
if (keycode == KeyCode.UpArrow)
{
if ((Event.current.modifiers & EventModifiers.Shift) != 0)
{
var last = this.Selection.Last();
var prev = last.PrevVisualMenuItem;
if (prev != null)
{
if (prev.IsSelected)
{
last.Deselect();
}
else
{
prev.Select(true);
}
Event.current.Use();
return(true);
}
}
else
{
var prev = this.Selection.Last().PrevVisualMenuItem;
if (prev != null)
{
prev.Select();
Event.current.Use();
return(true);
}
}
}
if (keycode == KeyCode.DownArrow)
{
if ((Event.current.modifiers & EventModifiers.Shift) != 0)
{
var last = this.Selection.Last();
var next = last.NextVisualMenuItem;
if (next != null)
{
if (next.IsSelected)
{
last.Deselect();
}
else
{
next.Select(true);
}
Event.current.Use();
return(true);
}
}
else
{
var next = this.Selection.Last().NextVisualMenuItem;
if (next != null)
{
next.Select();
Event.current.Use();
return(true);
}
}
}
if (keycode == KeyCode.Return)
{
this.Selection.ConfirmSelection();
Event.current.Use();
return(true);
}
}
return(false);
}
private void DrawCheckboxMenuItems(OdinMenuItem xx)
{
var allChilds = xx.GetChildMenuItemsRecursive(true)
.Select(x => x.Value)
.OfType <T>().ToList();
bool isEmpty = allChilds.Count == 0;
bool isSelected = false;
bool isMixed = false;
int prevUpdateId = -1;
Action validate = () =>
{
if (isEmpty)
{
return;
}
isSelected = this.selection.Contains(allChilds[0]);
//var a = this.selection.ToList();
var b = allChilds[0];
isMixed = false;
for (int i = 1; i < allChilds.Count; i++)
{
var sel = this.selection.Contains(allChilds[i]);
if (sel != isSelected)
{
isMixed = true;
break;
}
}
};
xx.OnDrawItem += (menuItem) =>
{
if (isEmpty)
{
return;
}
var checkboxRect = xx.LabelRect;
checkboxRect = checkboxRect.AlignMiddle(18).AlignLeft(16);
checkboxRect.x -= 16;
if (xx.IconGetter())
{
checkboxRect.x -= 16;
}
if (Event.current.type != EventType.Repaint && xx.ChildMenuItems.Count == 0)
{
checkboxRect = xx.Rect;
}
//else if (menuItem.ChildMenuItems.Count > 0)
//{
// rect = xx.Rect;
//}
if (prevUpdateId != this.checkboxUpdateId)
{
validate();
prevUpdateId = this.checkboxUpdateId;
}
EditorGUI.showMixedValue = isMixed;
EditorGUI.BeginChangeCheck();
var newSelected = EditorGUI.Toggle(checkboxRect, isSelected);
if (EditorGUI.EndChangeCheck())
{
for (int i = 0; i < allChilds.Count; i++)
{
if (newSelected)
{
this.selection.Add(allChilds[i]);
}
else
{
this.selection.Remove(allChilds[i]);
}
}
xx.Select();
validate();
this.requestCheckboxUpdate = true;
GUIHelper.RemoveFocusControl();
}
EditorGUI.showMixedValue = false;
};
}
