void ShowResizerOverlayWindow(Resizer splitter)
{
Point ptTopLeftScreen = this.PointToScreenDPI(new Point());
_resizerGhost = new Border()
{
Background = Brushes.Black,
Opacity = 0.7
};
Size actualSize = this.TransformedActualSize();
if (Orientation == System.Windows.Controls.Orientation.Horizontal)
{
_resizerGhost.Width = 5.0;
_resizerGhost.Height = actualSize.Height;
}
else
{
_resizerGhost.Height = 5.0;
_resizerGhost.Width = actualSize.Width;
}
_initialStartPoint = splitter.PointToScreenDPI(new Point()) - this.PointToScreenDPI(new Point());
if (Orientation == System.Windows.Controls.Orientation.Horizontal)
{
Canvas.SetLeft(_resizerGhost, _initialStartPoint.X);
}
else
{
Canvas.SetTop(_resizerGhost, _initialStartPoint.Y);
}
Canvas panelHostResizer = new Canvas()
{
HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch,
VerticalAlignment = System.Windows.VerticalAlignment.Stretch
};
panelHostResizer.Children.Add(_resizerGhost);
_resizerWindowHost = new Window()
{
ResizeMode = ResizeMode.NoResize,
WindowStyle = System.Windows.WindowStyle.None,
ShowInTaskbar = false,
AllowsTransparency = true,
Background = null,
Width = actualSize.Width,
Height = actualSize.Height,
Left = ptTopLeftScreen.X,
Top = ptTopLeftScreen.Y,
ShowActivated = false,
Owner = Window.GetWindow(this),
Content = panelHostResizer
//,
//LayoutTransform = (MatrixTransform)this.TansformToAncestor()
};
_resizerWindowHost.Show();
}
void SetupSplitters()
{
if (!splitterListIsDirty)
return;
if (setupSplitters)
return;
setupSplitters = true;
while (_splitterList.Count > 0)
{
Resizer splitter = _splitterList[0];
splitter.DragStarted -= new DragStartedEventHandler(splitter_DragStarted);
splitter.DragDelta -= new DragDeltaEventHandler(splitter_DragDelta);
splitter.DragCompleted -= new DragCompletedEventHandler(splitter_DragCompleted);
_splitterList.Remove(splitter);
Children.Remove(splitter);
}
int i = 0;//child index
int j = 0;//splitter index
while (i < Children.Count - 1)
{
if (j == _splitterList.Count)
{
Resizer splitter = new Resizer();
splitter.Cursor = this.Orientation == Orientation.Horizontal ? Cursors.SizeWE : Cursors.SizeNS;
_splitterList.Add(splitter);
splitter.DragStarted += new DragStartedEventHandler(splitter_DragStarted);
splitter.DragDelta += new DragDeltaEventHandler(splitter_DragDelta);
splitter.DragCompleted += new DragCompletedEventHandler(splitter_DragCompleted);
Children.Insert(i + 1, splitter);
}
i += 2;
j++;
}
for (j = 0; j < _splitterList.Count; j++)
{
_splitterList[j].Width = (Orientation == Orientation.Horizontal) ? 6 : double.NaN;
_splitterList[j].Height = (Orientation == Orientation.Vertical) ? 6 : double.NaN;
}
#if DEBUG
Debug.Assert(_splitterList.Count == Children.Count / 2);
i = 0;
while (Children.Count > 0)
{
Debug.Assert(Children[i] != null);
Debug.Assert(!(Children[i] is Resizer));
i++;
if (i >= Children.Count)
break;
Debug.Assert((Children[i] is Resizer));
i++;
}
#endif
splitterListIsDirty = false;
setupSplitters = false;
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
Resizer resLeftAnchor = GetTemplateChild("PART_LeftAnchor") as Resizer;
Resizer resTopAnchor = GetTemplateChild("PART_TopAnchor") as Resizer;
Resizer resBottomAnchor = GetTemplateChild("PART_BottomAnchor") as Resizer;
Resizer resRightAnchor = GetTemplateChild("PART_RightAnchor") as Resizer;
Resizer resLeftTopAnchor = GetTemplateChild("PART_LeftTopAnchor") as Resizer;
Resizer resLeftBottomAnchor = GetTemplateChild("PART_LeftBottomAnchor") as Resizer;
Resizer resRightTopAnchor = GetTemplateChild("PART_RightTopAnchor") as Resizer;
Resizer resRightBottomAnchor = GetTemplateChild("PART_RightBottomAnchor") as Resizer;
//Resizer resMoveAnchor = GetTemplateChild("PART_MoveAnchor") as Resizer;
Border resMoveAnchor = GetTemplateChild("PART_MoveAnchor") as Border;
if (resLeftAnchor != null)
{
resLeftAnchor.DragDelta += (s, e) =>
{
double delta = Math.Max(MinWidth, Width - e.HorizontalChange) - Width;
this.Left -= delta;
this.Width += delta;
}
}
;
if (resRightAnchor != null)
{
resRightAnchor.DragDelta += (s, e) =>
{
double delta = Math.Max(MinWidth, Width + e.HorizontalChange) - Width;
this.Width += delta;
}
}
;
if (resTopAnchor != null)
{
resTopAnchor.DragDelta += (s, e) =>
{
double delta = Math.Max(MinHeight, Height - e.VerticalChange) - Height;
this.Top -= delta;
this.Height += delta;
}
}
;
if (resBottomAnchor != null)
{
resBottomAnchor.DragDelta += (s, e) =>
{
double delta = Math.Max(MinHeight, Height + e.VerticalChange) - Height;
this.Height += delta;
}
}
;
if (resLeftTopAnchor != null)
{
resLeftTopAnchor.DragDelta += (s, e) =>
{
double delta = Math.Max(MinWidth, Width - e.HorizontalChange) - Width;
this.Left -= delta;
this.Width += delta;
delta = Math.Max(MinHeight, Height - e.VerticalChange) - Height;
this.Top -= delta;
this.Height += delta;
}
}
;
if (resLeftBottomAnchor != null)
{
resLeftBottomAnchor.DragDelta += (s, e) =>
{
double delta = Math.Max(MinWidth, Width - e.HorizontalChange) - Width;
this.Left -= delta;
this.Width += delta;
delta = Math.Max(MinHeight, Height + e.VerticalChange) - Height;
this.Height += delta;
}
}
;
if (resRightTopAnchor != null)
{
resRightTopAnchor.DragDelta += (s, e) =>
{
double delta = Math.Max(MinWidth, Width + e.HorizontalChange) - Width;
this.Width += delta;
delta = Math.Max(MinHeight, Height - e.VerticalChange) - Height;
this.Top -= delta;
this.Height += delta;
}
}
;
if (resRightBottomAnchor != null)
{
resRightBottomAnchor.DragDelta += (s, e) =>
{
double delta = Math.Max(MinWidth, Width + e.HorizontalChange) - Width;
this.Width += delta;
delta = Math.Max(MinHeight, Height + e.VerticalChange) - Height;
this.Height += delta;
}
}
;
if (resMoveAnchor != null)
{
bool isMouseDown = false;
Point ptStartDrag = new Point();
resMoveAnchor.MouseLeftButtonDown += (s, e) =>
{
isMouseDown = true;
ptStartDrag = e.GetPosition(s as IInputElement);
resMoveAnchor.CaptureMouse();
};
resMoveAnchor.MouseMove += (s, e) =>
{
if (isMouseDown && resMoveAnchor.IsMouseCaptured)
{
Point ptMouseMove = e.GetPosition(s as IInputElement);
if (Math.Abs(ptMouseMove.X - ptStartDrag.X) > SystemParameters.MinimumHorizontalDragDistance ||
Math.Abs(ptMouseMove.Y - ptStartDrag.Y) > SystemParameters.MinimumVerticalDragDistance)
{
isMouseDown = false;
resMoveAnchor.ReleaseMouseCapture();
HandleMove();
}
}
};
resMoveAnchor.MouseLeftButtonUp += (s, e) =>
{
isMouseDown = false;
resMoveAnchor.ReleaseMouseCapture();
};
}
var pupupButton = GetTemplateChild("PART_ShowContextMenuButton") as FrameworkElement;
if (pupupButton != null)
{
pupupButton.MouseLeftButtonDown += (s, e) =>
{
e.Handled = OpenContextMenu(s as Border, e.GetPosition(s as IInputElement));
}
}
;
var titleAnchor = GetTemplateChild("PART_MoveAnchor") as FrameworkElement;
if (titleAnchor != null)
{
titleAnchor.MouseRightButtonDown += (s, e) =>
{
e.Handled = OpenContextMenu(s as Border, e.GetPosition(s as IInputElement));
}
}
;
base.OnApplyTemplate();
}
void ShowResizerOverlayWindow(Resizer splitter)
{
_resizerGhost = new Border()
{
Background = Brushes.Black,
Opacity = 0.7
};
if (CorrectedAnchor == AnchorStyle.Left || CorrectedAnchor == AnchorStyle.Right)
{
_resizerGhost.Width = splitter.Width;
_resizerGhost.Height = MaxHeight;
}
else
{
_resizerGhost.Height = splitter.Height;
_resizerGhost.Width = MaxWidth;
}
Canvas panelHostResizer = new Canvas()
{
HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch,
VerticalAlignment = System.Windows.VerticalAlignment.Stretch
};
panelHostResizer.Children.Add(_resizerGhost);
_resizerWindowHost = new Window()
{
ResizeMode = ResizeMode.NoResize,
WindowStyle = System.Windows.WindowStyle.None,
ShowInTaskbar = false,
AllowsTransparency = true,
Background = null,
Width = MaxWidth,
Height = MaxHeight,
Left = Left,
Top = Top,
ShowActivated = false,
Owner = this,
Content = panelHostResizer
};
if (CorrectedAnchor == AnchorStyle.Right)
_resizerWindowHost.Left = Left - MaxWidth + Width;
else if (CorrectedAnchor == AnchorStyle.Bottom)
_resizerWindowHost.Top = Top - MaxHeight + Height;
if (CorrectedAnchor == AnchorStyle.Left)
{
Canvas.SetLeft(_resizerGhost, Width - splitter.Width);
}
else if (CorrectedAnchor == AnchorStyle.Right)
{
Canvas.SetLeft(_resizerGhost, MaxWidth - Width);
}
else if (CorrectedAnchor == AnchorStyle.Top)
{
Canvas.SetTop(_resizerGhost, Height - splitter.Height);
}
else if (CorrectedAnchor == AnchorStyle.Bottom)
{
Canvas.SetTop(_resizerGhost, MaxHeight - Height);
}
_initialStartPoint = new Vector(Canvas.GetLeft(_resizerGhost), Canvas.GetTop(_resizerGhost));
_resizerWindowHost.Show();
}
void ShowResizerOverlayWindow(Resizer splitter)
{
_resizerGhost = new Border()
{
Background = Brushes.Black,
Opacity = 0.7
};
if (CorrectedAnchor == AnchorStyle.Left || CorrectedAnchor == AnchorStyle.Right)
{
_resizerGhost.Width = splitter.Width;
_resizerGhost.Height = MaxHeight;
}
else
{
_resizerGhost.Height = splitter.Height;
_resizerGhost.Width = MaxWidth;
}
Canvas panelHostResizer = new Canvas()
{
HorizontalAlignment = Avalonia.HorizontalAlignment.Stretch,
VerticalAlignment = Avalonia.VerticalAlignment.Stretch
};
panelHostResizer.Children.Add(_resizerGhost);
_resizerWindowHost = new Window()
{
ResizeMode = ResizeMode.NoResize,
WindowStyle = Avalonia.WindowStyle.None,
ShowInTaskbar = false,
AllowsTransparency = true,
Background = null,
Width = MaxWidth,
Height = MaxHeight,
Left = Left,
Top = Top,
ShowActivated = false,
Owner = this,
Content = panelHostResizer
};
if (CorrectedAnchor == AnchorStyle.Right)
{
_resizerWindowHost.Left = Left - MaxWidth + Width;
}
else if (CorrectedAnchor == AnchorStyle.Bottom)
{
_resizerWindowHost.Top = Top - MaxHeight + Height;
}
if (CorrectedAnchor == AnchorStyle.Left)
{
Canvas.SetLeft(_resizerGhost, Width - splitter.Width);
}
else if (CorrectedAnchor == AnchorStyle.Right)
{
Canvas.SetLeft(_resizerGhost, MaxWidth - Width);
}
else if (CorrectedAnchor == AnchorStyle.Top)
{
Canvas.SetTop(_resizerGhost, Height - splitter.Height);
}
else if (CorrectedAnchor == AnchorStyle.Bottom)
{
Canvas.SetTop(_resizerGhost, MaxHeight - Height);
}
_initialStartPoint = new Vector(Canvas.GetLeft(_resizerGhost), Canvas.GetTop(_resizerGhost));
_resizerWindowHost.Show();
}