public virtual void AddChild( Widget _widget, int _iIndex )
{
Debug.Assert( _widget.Parent == null );
//Debug.Assert( _widget.Screen == Screen );
_widget.Parent = this;
mlChildren.Insert( _iIndex, _widget );
UpdateContentSize();
}
//----------------------------------------------------------------------
public void AddChild( Widget _widget, int _iIndex, bool _bExpand )
{
Debug.Assert( _widget.Parent == null );
Debug.Assert( _widget.Screen == Screen );
_widget.Parent = this;
mlExpandedChildren.Insert( _iIndex, _bExpand );
mlChildren.Insert( _iIndex, _widget );
UpdateContentSize();
}
public void AddChildAt( Widget _child, int _iColumn, int _iRow )
{
Debug.Assert( ! maWidgetLocations.ContainsKey( _child ) );
Debug.Assert( _child.Parent == null );
//Debug.Assert( _child.Screen == Screen ); wtf??
_child.Parent = this;
maTiles[ _iColumn, _iRow ] = _child;
maWidgetLocations[ _child ] = new Point( _iColumn, _iRow );
mlChildren.Add( _child );
}
public virtual void RemoveChild( Widget _widget )
{
Debug.Assert( _widget.Parent == this );
_widget.Parent = null;
mlChildren.Remove( _widget );
UpdateContentSize();
}
//----------------------------------------------------------------------
public override Widget GetSibling( Direction _direction, Widget _child )
{
Widget nearestSibling = null;
Widget focusableSibling = null;
Widget fixedChild = (Widget)_child;
foreach( Widget child in mlChildren )
{
if( child == _child ) continue;
switch( _direction )
{
case Direction.Up:
if( child.LayoutRect.Bottom <= fixedChild.LayoutRect.Center.Y && ( nearestSibling == null || child.LayoutRect.Bottom > nearestSibling.LayoutRect.Bottom ) )
{
Widget childFocusableWidget = child.GetFirstFocusableDescendant( _direction );
if( childFocusableWidget != null )
{
nearestSibling = child;
focusableSibling = childFocusableWidget;
}
}
break;
case Direction.Down:
if( child.LayoutRect.Top >= fixedChild.LayoutRect.Center.Y && ( nearestSibling == null || child.LayoutRect.Top < nearestSibling.LayoutRect.Top ) )
{
Widget childFocusableWidget = child.GetFirstFocusableDescendant( _direction );
if( childFocusableWidget != null )
{
nearestSibling = child;
focusableSibling = childFocusableWidget;
}
}
break;
case Direction.Left:
if( child.LayoutRect.Right <= fixedChild.LayoutRect.Center.X && ( nearestSibling == null || child.LayoutRect.Right > nearestSibling.LayoutRect.Right ) )
{
Widget childFocusableWidget = child.GetFirstFocusableDescendant( _direction );
if( childFocusableWidget != null )
{
nearestSibling = child;
focusableSibling = childFocusableWidget;
}
}
break;
case Direction.Right:
if( child.LayoutRect.Left >= fixedChild.LayoutRect.Center.X && ( nearestSibling == null || child.LayoutRect.Left < nearestSibling.LayoutRect.Left ) )
{
Widget childFocusableWidget = child.GetFirstFocusableDescendant( _direction );
if( childFocusableWidget != null )
{
nearestSibling = child;
focusableSibling = childFocusableWidget;
}
}
break;
}
}
if( focusableSibling == null )
{
return base.GetSibling( _direction, this );
}
return focusableSibling;
}
//----------------------------------------------------------------------
public override Widget GetSibling( Direction _direction, Widget _child )
{
int iIndex = mlButtons.IndexOf( (Button)_child );
switch( _direction )
{
case Direction.Left:
if( iIndex > 0 )
{
return mlButtons[iIndex - 1];
}
break;
case Direction.Right:
if( iIndex < mlButtons.Count - 1 )
{
return mlButtons[iIndex + 1];
}
break;
}
return base.GetSibling( _direction, this );
}
public virtual Widget GetSibling( UI.Direction _direction, Widget _child )
{
if( Parent != null )
{
return Parent.GetSibling( _direction, this );
}
return null;
}
public override void AddChild( Widget _widget, int _iIndex )
{
throw new NotSupportedException();
}
public override Widget GetSibling( Direction _direction, Widget _child )
{
Widget tileChild = null;
Point childLocation = maWidgetLocations[ _child ];
int iOffset = 0;
do
{
iOffset++;
switch( _direction )
{
case Direction.Left:
if( childLocation.X - iOffset < 0 ) return base.GetSibling( _direction, _child );
tileChild = maTiles[ childLocation.X - iOffset, childLocation.Y ];
break;
case Direction.Right:
if( childLocation.X + iOffset >= maTiles.GetLength(0) ) return base.GetSibling( _direction, _child );
tileChild = maTiles[ childLocation.X + iOffset, childLocation.Y ];
break;
case Direction.Up:
if( childLocation.Y - iOffset < 0 ) return base.GetSibling( _direction, _child );
tileChild = maTiles[ childLocation.X, childLocation.Y - iOffset ];
break;
case Direction.Down:
if( childLocation.Y + iOffset >= maTiles.GetLength(1) ) return base.GetSibling( _direction, _child );
tileChild = maTiles[ childLocation.X, childLocation.Y + iOffset ];
break;
}
}
while( tileChild == null );
if( tileChild != null )
{
return tileChild;
}
else
{
return base.GetSibling( _direction, this );
}
}
//----------------------------------------------------------------------
public void HandleInput()
{
//------------------------------------------------------------------
// Make sure we don't hold references to orphaned widgets
if( FocusedWidget != null && FocusedWidget.IsOrphan ) FocusedWidget = null;
if( HoveredWidget != null && HoveredWidget.IsOrphan )
{
#if !MONOGAME
Game.Form.Cursor = System.Windows.Forms.Cursors.Default;
#endif
HoveredWidget = null;
}
if( mClickedWidget != null && mClickedWidget.IsOrphan ) mClickedWidget = null;
//------------------------------------------------------------------
Point mouseHitPoint = new Point(
(int)( Game.InputMgr.MouseState.X / Resolution.ScaleFactor ),
(int)( ( Game.InputMgr.MouseState.Y - Game.GraphicsDevice.Viewport.Y ) / Resolution.ScaleFactor )
);
if( ! IsActive )
{
if( HoveredWidget != null )
{
HoveredWidget.OnMouseOut( mouseHitPoint );
HoveredWidget = null;
}
if( mClickedWidget != null )
{
mClickedWidget.OnMouseUp( mouseHitPoint, miClickedWidgetMouseButton );
mClickedWidget = null;
}
return;
}
foreach( Buttons button in Enum.GetValues(typeof(Buttons)) )
{
PlayerIndex playerIndex;
bool bPressed;
if( Game.InputMgr.WasButtonJustPressed( button, Game.PlayerInCharge, out playerIndex, true ) )
{
bPressed = true;
}
else
if( Game.InputMgr.WasButtonJustReleased( button, Game.PlayerInCharge, out playerIndex ) )
{
bPressed = false;
}
else
{
continue;
}
switch( button )
{
case Buttons.A:
if( FocusedWidget != null )
{
if( bPressed )
{
FocusedWidget.OnActivateDown();
mbHasActivatedFocusedWidget = true;
}
else
if( mbHasActivatedFocusedWidget )
{
FocusedWidget.OnActivateUp();
mbHasActivatedFocusedWidget = false;
}
}
break;
case Buttons.B:
if( FocusedWidget == null || ! FocusedWidget.OnCancel( bPressed ) )
{
Root.OnPadButton( button, bPressed );
}
break;
case Buttons.LeftThumbstickLeft:
case Buttons.DPadLeft:
if( bPressed && FocusedWidget != null ) FocusedWidget.OnPadMove( UI.Direction.Left );
break;
case Buttons.LeftThumbstickRight:
case Buttons.DPadRight:
if( bPressed && FocusedWidget != null ) FocusedWidget.OnPadMove( UI.Direction.Right );
break;
case Buttons.LeftThumbstickUp:
case Buttons.DPadUp:
if( bPressed && FocusedWidget != null ) FocusedWidget.OnPadMove( UI.Direction.Up );
break;
case Buttons.LeftThumbstickDown:
case Buttons.DPadDown:
if( bPressed && FocusedWidget != null ) FocusedWidget.OnPadMove( UI.Direction.Down );
break;
default:
Root.OnPadButton( button, bPressed );
break;
}
}
#if WINDOWS || LINUX || MACOSX
//------------------------------------------------------------------
// Mouse buttons
bool bHasMouseEvent = false;
if( miIgnoreClickFrames == 0 )
{
for( int iButton = 0; iButton < 3; iButton++ )
{
if( Game.InputMgr.WasMouseButtonJustPressed( iButton ) )
{
bHasMouseEvent = true;
if( mClickedWidget == null )
{
miClickedWidgetMouseButton = iButton;
Widget hitWidget = null;
if( FocusedWidget != null )
{
hitWidget = FocusedWidget.HitTest( mouseHitPoint );
}
if( hitWidget == null )
{
hitWidget = Root.HitTest( mouseHitPoint );
}
while( hitWidget != null && ! hitWidget.OnMouseDown( mouseHitPoint, iButton ) )
{
hitWidget = hitWidget.Parent;
}
mClickedWidget = hitWidget;
}
}
}
if( Game.InputMgr.WasMouseJustDoubleClicked() )
{
bHasMouseEvent = true;
Widget widget = FocusedWidget == null ? null : FocusedWidget.HitTest( mouseHitPoint );
if( widget != null )
{
bool bPressed;
switch( Game.InputMgr.PrimaryMouseButton )
{
case 0:
bPressed = Game.InputMgr.MouseState.LeftButton == ButtonState.Pressed;
break;
case 2:
bPressed = Game.InputMgr.MouseState.RightButton == ButtonState.Pressed;
break;
default:
throw new NotSupportedException();
}
if( bPressed )
{
mClickedWidget = widget;
miClickedWidgetMouseButton = Game.InputMgr.PrimaryMouseButton;
}
if( widget.OnMouseDoubleClick( mouseHitPoint ) )
{
miIgnoreClickFrames = 3;
}
}
}
}
else
{
miIgnoreClickFrames--;
}
for( int iButton = 0; iButton < 3; iButton++ )
{
if( Game.InputMgr.WasMouseButtonJustReleased( iButton ) )
{
bHasMouseEvent = true;
if( mClickedWidget != null && iButton == miClickedWidgetMouseButton )
{
mClickedWidget.OnMouseUp( mouseHitPoint, iButton );
mClickedWidget = null;
}
}
}
if( ! bHasMouseEvent )
{
Widget hoveredWidget = ( FocusedWidget == null ? null : FocusedWidget.HitTest( mouseHitPoint ) ) ?? Root.HitTest( mouseHitPoint );
if( mouseHitPoint != mPreviousMouseHitPoint )
{
if( mClickedWidget == null )
{
if( hoveredWidget != null && hoveredWidget == HoveredWidget )
{
HoveredWidget.OnMouseMove( mouseHitPoint );
}
else
{
if( HoveredWidget != null )
{
HoveredWidget.OnMouseOut( mouseHitPoint );
}
HoveredWidget = hoveredWidget;
if( HoveredWidget != null )
{
HoveredWidget.OnMouseEnter( mouseHitPoint );
}
}
}
else
{
mClickedWidget.OnMouseMove( mouseHitPoint );
}
}
}
// Mouse wheel
int iWheelDelta = Game.InputMgr.GetMouseWheelDelta();
if( iWheelDelta != 0 )
{
Widget hoveredWidget = ( FocusedWidget == null ? null : FocusedWidget.HitTest( mouseHitPoint ) ) ?? Root.HitTest( mouseHitPoint );
if( hoveredWidget != null )
{
hoveredWidget.OnMouseWheel( mouseHitPoint, iWheelDelta );
}
}
mPreviousMouseHitPoint = mouseHitPoint;
//------------------------------------------------------------------
// Keyboard
if( FocusedWidget != null )
{
foreach( char character in Game.InputMgr.EnteredText )
{
FocusedWidget.OnTextEntered( character );
}
foreach( Keys key in Game.InputMgr.JustPressedKeys )
{
FocusedWidget.OnKeyPress( key );
}
foreach( var key in Game.InputMgr.JustPressedOSKeys )
{
FocusedWidget.OnOSKeyPress( key );
}
}
#endif
}
//----------------------------------------------------------------------
public void Focus( Widget _widget )
{
Debug.Assert( _widget.Screen == this );
mbHasActivatedFocusedWidget = false;
if( FocusedWidget != null && FocusedWidget != _widget )
{
FocusedWidget.OnBlur();
}
if( FocusedWidget != _widget )
{
FocusedWidget = _widget;
FocusedWidget.OnFocus();
}
}
//----------------------------------------------------------------------
public override Widget GetSibling( Direction _direction, Widget _child )
{
int iIndex = mlChildren.IndexOf( _child );
if( mOrientation == Orientation.Horizontal )
{
if( _direction == Direction.Right )
{
if( iIndex < mlChildren.Count - 1 )
{
return mlChildren[iIndex + 1];
}
}
else
if( _direction == Direction.Left )
{
if( iIndex > 0 )
{
return mlChildren[iIndex - 1];
}
}
}
else
{
if( _direction == Direction.Down )
{
if( iIndex < mlChildren.Count - 1 )
{
return mlChildren[iIndex + 1];
}
}
else
if( _direction == Direction.Up )
{
if( iIndex > 0 )
{
return mlChildren[iIndex - 1];
}
}
}
return base.GetSibling( _direction, this );
}
public void AddChild( Widget _widget, bool _bExpand )
{
AddChild( _widget, mlChildren.Count, _bExpand );
}
public override void AddChild( Widget _widget, int _iIndex )
{
AddChild( _widget, _iIndex, false );
}
public void AddChild( Widget _widget )
{
AddChild( _widget, mlChildren.Count );
}
public override void RemoveChild( Widget _widget )
{
Debug.Assert( _widget.Parent == this );
_widget.Parent = null;
Point widgetLocation = maWidgetLocations[ _widget ];
maWidgetLocations.Remove( _widget );
maTiles[ widgetLocation.X, widgetLocation.Y ] = null;
mlChildren.Remove( _widget );
}
public override void RemoveChild( Widget _widget )
{
Debug.Assert( _widget.Parent == this );
_widget.Parent = null;
mlExpandedChildren.RemoveAt( mlChildren.IndexOf( _widget ) );
mlChildren.Remove( _widget );
UpdateContentSize();
}