private bool IsKeyboardInDockedMode()
{
var position = TouchKeyboardHelper.GetTouchKeyboardPosition();
if (position == null)
{
return(false);
}
var screenBounds = Screen.PrimaryScreen.Bounds;
var keyboardPosition = (Rectangle)position;
if (keyboardPosition.Left <= keyboardDockedPositionMaxDiff &&
keyboardPosition.Bottom + keyboardDockedPositionMaxDiff >= screenBounds.Height &&
keyboardPosition.Right + keyboardDockedPositionMaxDiff >= screenBounds.Width)
{
return(true);
}
return(false);
}
private async void keyboardStateCheckTimer_Tick(object sender, EventArgs e)
{
var isOpen = TouchKeyboardHelper.IsOpen();
if (isOpen && !isVisible && IsKeyboardInDockedMode())
{
keyboardPosition = TouchKeyboardHelper.GetTouchKeyboardPosition();
if (keyboardPosition != null)
{
KeyboardOpened((Rectangle)keyboardPosition);
}
}
else if (isOpen && isVisible)
{
// Make sure keyboard type is not changed from docked.
if (!IsKeyboardInDockedMode())
{
KeyboardClosed();
}
else
{
// Check for keyboard resize
var currentKeyboardPosition = TouchKeyboardHelper.GetTouchKeyboardPosition();
if (currentKeyboardPosition != null && keyboardPosition != null &&
MuchDifference((Rectangle)currentKeyboardPosition, (Rectangle)keyboardPosition, keyboardDockedPositionMaxDiff))
{
Debug.WriteLine("Keyboard height changed");
UpdateKeyboardHeight((Rectangle)currentKeyboardPosition);
keyboardPosition = currentKeyboardPosition;
}
// Check for foreground app change
this.Invoke(new MethodInvoker(() =>
{
try
{
if (!TabletModeHelper.IsTabletMode && currentKeyboardPosition != null)
{
var currentForegroundWindow = WindowManipulationHelper.GetForegroundWindow();
if (currentForegroundWindow != lastWindowState.windowHandle)
{
Debug.WriteLine("Foreground window changed");
ExpandForegroundWindow();
ShrinkForegroundWindow((Rectangle)currentKeyboardPosition);
}
}
}
catch (Exception ex)
{
Debug.WriteLine("Exception in Check for foreground app change: " + ex.ToString());
}
}));
}
}
else if (!isOpen && isVisible)
{
KeyboardClosed();
}
}