public static void SetFocus(IFocusableWidget widget, bool value = true)
{
WindowController.Instance.ScheduleAction(delegate
{
widget.SetFocused(value);
}, 1); // schedule for the next frame
}
internal static void UpdateFocus(IFocusableWidget widget, bool focus)
{
IWindowContainer window = ((WindowObject)widget).Window;
if (window == null)
{
return; // no window, no crime
}
int windowHash = window.GetHashCode();
IFocusableWidget focusedWidget;
s_focusedWidgets.TryGetValue(windowHash, out focusedWidget);
// Nomad: PVS analyzer indicated some amount of fuzzy logic here.
// I think that whole focusing and unfocusing logic should be refactored
if (widget == focusedWidget)
{
if (!focus && focusedWidget != null)
{
focusedWidget.SetFocused(false);
s_focusedWidgets.Remove(windowHash);
WindowController.Instance.ShowKeyboard(false);
}
return;
}
if (focusedWidget != null)
{
IFocusableWidget oldWidget = focusedWidget;
s_focusedWidgets.Remove(windowHash);
oldWidget.SetFocused(false);
}
focusedWidget = widget;
WindowController.Instance.ShowKeyboard(focus && (focusedWidget is WidgetTextEdit || focusedWidget is WidgetTextField));
if (focusedWidget == null)
{
s_focusedWidgets.Remove(windowHash);
}
else
{
if (focus)
{
focusedWidget.SetFocused(true);
}
s_focusedWidgets[windowHash] = focusedWidget;
}
}
internal static void UpdateFocus(IFocusableWidget widget, bool focus)
{
IWindowContainer window = ((WindowObject)widget).Window;
if (window == null)
{
return; // no window, no crime
}
int windowHash = window.GetHashCode();
IFocusableWidget focusedWidget = null;
s_focusedWidgets.TryGetValue(windowHash, out focusedWidget);
if (!focus)
{
if (widget == focusedWidget)
{
s_focusedWidgets.Remove(windowHash);
}
return;
}
if (focus && widget == focusedWidget)
{
return;
}
if (focusedWidget != null && focus)
{
IFocusableWidget oldWidget = focusedWidget;
s_focusedWidgets.Remove(windowHash);
oldWidget.SetFocused(false);
}
if (focus)
{
focusedWidget = widget;
focusedWidget.SetFocused(true);
}
if (focusedWidget == null)
{
s_focusedWidgets.Remove(windowHash);
}
else
{
s_focusedWidgets[windowHash] = focusedWidget;
}
}
public WidgetDecorator(Widget widget)
{
this.widget = widget;
this.widget.ButtonPressEvent += widget_ButtonPressEvent;
this.widget.FocusInEvent += widget_FocusInEvent;
this.widget.FocusOutEvent += widget_FocusOutEvent;
if (this.widget is IFocusableWidget)
{
IFocusableWidget focuswidget = (IFocusableWidget)this.widget;
focuswidget.FocusOut += focuswidget_FocusOut;
}
HandleWidgetRealized();
}
public static bool HasFocus(IWindowContainer window)
{
if (window == null)
{
return(false); // no window, no crime
}
int windowHash = window.GetHashCode();
IFocusableWidget focusedWidget = null;
if (s_focusedWidgets.TryGetValue(windowHash, out focusedWidget))
{
return(focusedWidget != null);
}
return(false);
}
internal static bool FocusNext(IFocusableWidget widget)
{
WindowObject obj = widget as WindowObject;
if (obj == null)
{
throw new ArgumentException(nameof(widget) + " is not a WindowObject!");
}
IWindowContainer window = obj.Window;
if (window == null)
{
return(false);
}
List <WindowObject> focusables = new List <WindowObject>();
Window.FindChildren(window, (WindowObject arg) => arg is IFocusableWidget, focusables);
WindowObject nextFocusable = null;
for (int i = 0; i < focusables.Count; i++)
{
if (focusables[i] == widget)
{
nextFocusable = focusables[(i + 1) % focusables.Count];
break;
}
}
if (nextFocusable == null || nextFocusable == widget)
{
return(false); // do nothing
}
UpdateFocus((IFocusableWidget)nextFocusable, true);
return(true);
}
