public WpfAppBar(Window window)
{
_currentPosition = new Position();
_window = window;
// Show/Hide timers.
_showTimer = new Timer();
_showTimer.AutoReset = false;
_showTimer.Elapsed += OnShowTimerElapsed;
_hideTimer = new Timer();
_hideTimer.AutoReset = true;
_hideTimer.Elapsed += OnHideTimerElapsed;
// Windows styles and events.
_window.WindowStyle = WindowStyle.None;
_window.ResizeMode = ResizeMode.NoResize;
_window.ShowInTaskbar = false;
_window.Closed += OnClose;
_window.MouseLeave += OnMouseLeave;
_window.AllowDrop = true;
_window.PreviewDragEnter += OnDragEnter;
_window.DragLeave += OnDragLeave;
Microsoft.Win32.SystemEvents.DisplaySettingsChanged += OnDisplaySettingsChanged;
// Default Values.
PopupDelay = AppBarDefaultValues.PopupDelay;
AutoHideDelay = AppBarDefaultValues.AutoHideDelay;
ReserveScreen = AppBarDefaultValues.ReserveScreen;
Docked = new DockPosition(AppBarDefaultValues.Docked);
ActiveScreen = AppBarDefaultValues.Screen;
}
internal static Position FromNative(ref RECT rect)
{
Position position = new Position()
{
Top = rect.top,
Bottom = rect.bottom,
Left = rect.left,
Right = rect.right
};
position.Height = position.Bottom - position.Top;
position.Width = position.Right - position.Left;
return position;
}
/// <summary>
/// <para>
/// Sets the size and screen position of an appbar. The message specifies a
/// screen edge and the bounding rectangle for the appbar.
/// </para>
/// <para>
/// The system may adjust the bounding rectangle so that the appbar does not
/// interfere with the Windows taskbar or any other appbars.
/// </para>
/// </summary>
public void SetPosition(ref Position position, DockPosition dock)
{
APPBARDATA msgData = new APPBARDATA();
msgData.cbSize = Marshal.SizeOf(msgData);
msgData.hWnd = _handle;
msgData.uEdge = (uint)dock.ToNative();
position.ToNative(ref msgData.rc);
Win32AppBar.SHAppBarMessage(ABM.ABM_SETPOS, ref msgData);
position = Position.FromNative(ref msgData.rc);
}
void SlideInMinimize(DockPosition dockPosition, ActionQueueCallback completeCallback)
{
Log.DebugFormat("SlideInMinimize {0}", dockPosition);
//ClearAnimations();
DoubleAnimation widthAnimation, heightAnimation, leftAnimation, topAnimation;
Position position = CalculateSlideInPosition(dockPosition);
// No point doing the sliding animation when the size of the window hasn't actually changed.
if (!HasPositionChanged(position))
{
Log.Debug("Window size has not changed significantly, cancelling sliding animation");
completeCallback();
return;
}
Storyboard storyBoard = new Storyboard();
storyBoard.Duration = SlideDuration;
storyBoard.Completed += (sender, e) =>
{
Position minimizedPosition = new Position();
_appbar.Resize(ref minimizedPosition);
DispatcherHelper.UIDispatcher.BeginInvoke(DispatcherPriority.Background, new Action(() =>
{
Left = position.Left;
Top = position.Top;
Width = position.Width;
Height = position.Height;
Log.DebugFormat("SlideInMinimize Finished, MainGrid {0}", GetMainGridPosition());
completeCallback();
}));
};
switch (dockPosition.Selected)
{
case DockEdge.Left:
widthAnimation = CreateGridDoubleAnimation(Grid.WidthProperty);
widthAnimation.To = 0;
storyBoard.Children.Add(widthAnimation);
break;
case DockEdge.Right:
widthAnimation = CreateGridDoubleAnimation(Grid.WidthProperty);
widthAnimation.To = 0;
storyBoard.Children.Add(widthAnimation);
leftAnimation = CreateGridDoubleAnimation(Canvas.LeftProperty);
leftAnimation.To = position.Width;
storyBoard.Children.Add(leftAnimation);
break;
case DockEdge.Top:
heightAnimation = CreateGridDoubleAnimation(Grid.HeightProperty);
heightAnimation.To = 0;
storyBoard.Children.Add(heightAnimation);
break;
case DockEdge.Bottom:
heightAnimation = CreateGridDoubleAnimation(Grid.HeightProperty);
heightAnimation.To = 0;
storyBoard.Children.Add(heightAnimation);
topAnimation = CreateGridDoubleAnimation(Canvas.TopProperty);
heightAnimation.To = position.Height;
storyBoard.Children.Add(topAnimation);
break;
}
storyBoard.Freeze();
storyBoard.Begin(_mainGrid);
}
void MinimizeWindow(object parameter)
{
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
Log.DebugFormat("MinimizeWindow, {0}", DockPosition);
ClearAnimations();
Position position = new Position();
switch (DockPosition.Selected)
{
case DockEdge.Left:
position.Top = ActiveScreen.Bounds.Top;
position.Left = ActiveScreen.Bounds.Left;
position.Width = 1;
position.Height = ActiveScreen.Bounds.Height;
break;
case DockEdge.Right:
position.Top = ActiveScreen.Bounds.Top;
position.Left = ActiveScreen.Bounds.Right;
position.Width = 0;
position.Height = ActiveScreen.Bounds.Height;
break;
case DockEdge.Top:
position.Top = ActiveScreen.Bounds.Top;
position.Left = ActiveScreen.Bounds.Left;
position.Width = ActiveScreen.Bounds.Width;
position.Height = 0;
break;
case DockEdge.Bottom:
position.Top = ActiveScreen.Bounds.Bottom;
position.Left = ActiveScreen.Bounds.Left;
position.Width = ActiveScreen.Bounds.Width;
position.Height = 0;
break;
}
position.Bottom = position.Top + position.Height;
position.Right = position.Left + position.Width;
_appbar.CorrectPosition(ref position);
Log.DebugFormat("MinimizeWindow position {0}", position);
_mainGrid.Width = 0;
_mainGrid.Height = 0;
Width = 0;
Height = 0;
Left = position.Left;
Top = position.Top;
Width = position.Width;
Height = position.Height;
switch (DockPosition.Selected)
{
case DockEdge.Left:
Canvas.SetLeft(_mainGrid, 0);
Canvas.SetTop(_mainGrid, 0);
break;
case DockEdge.Right:
Canvas.SetLeft(_mainGrid, 0);
Canvas.SetTop(_mainGrid, 0);
break;
case DockEdge.Top:
Canvas.SetLeft(_mainGrid, 0);
Canvas.SetTop(_mainGrid, 0);
break;
case DockEdge.Bottom:
Canvas.SetLeft(_mainGrid, 0);
Canvas.SetTop(_mainGrid, 0);
break;
}
_mainGrid.Width = position.Width;
_mainGrid.Height = position.Height;
SwitchOrientation();
Log.DebugFormat("MinimzedWindow, MainGrid {0}", GetMainGridPosition());
});
}
bool HasPositionChanged(Position position)
{
if (GetDifferenceBetween(position.Width, Width) < 10 &&
GetDifferenceBetween(position.Height, Height) < 10 &&
GetDifferenceBetween(position.Top, Top) < 10 &&
GetDifferenceBetween(position.Left, Left) < 10)
{
return false;
}
return true;
}
Position CalculateSlideOutPosition(DockPosition dockPosition)
{
double windowSize = CalculateWindowWidth(IconRows);
var bounds = ActiveScreen.Bounds;
//var bounds = ActiveScreen.WorkingArea;
/*
int x;
int y;
WpfHelper.TransformToPixels(this, System.Windows.SystemParameters.WorkArea.X, System.Windows.SystemParameters.WorkArea.Y, out x, out y);
var bounds = new Rect(x, y, System.Windows.SystemParameters.WorkArea.Width,System.Windows.SystemParameters.WorkArea.Height);
Log.DebugFormat("CalculateSlieOut WPF bounds {0}", bounds);
*/
Position position = new Position();
switch (dockPosition.Selected)
{
case DockEdge.Left:
position.Top = bounds.Top;
position.Left = bounds.Left;
position.Width = windowSize;
position.Height = bounds.Height;
break;
case DockEdge.Right:
position.Top = bounds.Top;
position.Left = bounds.Right - windowSize;
position.Width = windowSize;
position.Height = bounds.Height;
break;
case DockEdge.Top:
position.Top = bounds.Top;
position.Left = bounds.Left;
position.Width = bounds.Width;
position.Height = VerticallyDockedHeight;
break;
case DockEdge.Bottom:
position.Top = bounds.Bottom - VerticallyDockedHeight;
position.Left = bounds.Left;
position.Width = bounds.Width;
position.Height = VerticallyDockedHeight;
break;
}
position.Bottom = position.Top + position.Height;
position.Right = position.Left + position.Width;
_appbar.CorrectPosition(ref position);
Log.DebugFormat("SlideOut position {0}", position);
return position;
}
Position CalculateSlideInPosition(DockPosition dockPosition)
{
Position position = new Position();
switch (dockPosition.Selected)
{
case DockEdge.Left:
position.Top = this.Top;
position.Left = ActiveScreen.Bounds.Left - this.ActualWidth;
position.Width = this.ActualWidth;
position.Height = this.ActualHeight;
break;
case DockEdge.Right:
position.Top = this.Top;
position.Left = ActiveScreen.Bounds.Right + this.ActualWidth;
position.Width = this.ActualWidth;
position.Height = ActiveScreen.Bounds.Height;
break;
case DockEdge.Top:
position.Top = ActiveScreen.Bounds.Top - this.ActualHeight;
position.Left = this.Left;
position.Width = this.ActualHeight;
position.Height = this.ActualHeight;
break;
case DockEdge.Bottom:
position.Top = ActiveScreen.Bounds.Bottom + this.ActualHeight;
position.Left = this.Left;
position.Width = this.ActualWidth;
position.Height = this.ActualHeight;;
break;
}
position.Bottom = position.Top + position.Height;
position.Right = position.Left + position.Width;
_appbar.CorrectPosition(ref position);
Log.DebugFormat("SlideInMinimize position {0}", position);
return position;
}
void SetMinimized()
{
if (_toolbar == null)
return;
Position position = new Position();
_toolbar.SetPosition(ref position, DockPosition.Left());
}
public void Resize(ref Position position)
{
_currentPosition = position;
if (ReserveScreen)
SetNormal();
else
SetMinimized();
}
public void CorrectPosition(ref Position position)
{
if (_toolbar != null)
{
_toolbar.QueryPosition(ref position, Docked);
// The query position call will sometimes set the height or width
// to a negative value if the app bar is moved to the same side as the taskbar.
// Obviously that's going to cause problems so set them to 0 in that situation.
if (position.Height < 0)
position.Height = 0;
if (position.Width < 0)
position.Width = 0;
_currentPosition = position;
}
}
public void SetPosition(ref Position position, DockPosition dock)
{
Dock(dock);
CorrectPosition(ref position);
Resize(ref position);
}
