public static int RegisterBar(AppBarWindow abWindow, double width, double height, ABEdge edge = ABEdge.ABE_TOP)
{
lock (appBarLock)
{
APPBARDATA abd = new APPBARDATA();
abd.cbSize = Marshal.SizeOf(typeof(APPBARDATA));
IntPtr handle = new WindowInteropHelper(abWindow).Handle;
abd.hWnd = handle;
if (!appBars.Contains(handle))
{
uCallBack = RegisterWindowMessage("AppBarMessage");
abd.uCallbackMessage = uCallBack;
PrepareForInterop();
uint ret = SHAppBarMessage((int)ABMsg.ABM_NEW, ref abd);
InteropDone();
appBars.Add(handle);
CairoLogger.Instance.Debug("AppBarHelper: Created AppBar for handle " + handle.ToString());
ABSetPos(abWindow, width, height, edge, true);
}
else
{
PrepareForInterop();
SHAppBarMessage((int)ABMsg.ABM_REMOVE, ref abd);
InteropDone();
appBars.Remove(handle);
CairoLogger.Instance.Debug("AppBarHelper: Removed AppBar for handle " + handle.ToString());
return(0);
}
}
return(uCallBack);
}
public static void ABSetPos(AppBarWindow abWindow, double width, double height, ABEdge edge, bool isCreate = false)
{
lock (appBarLock)
{
APPBARDATA abd = new APPBARDATA
{
cbSize = Marshal.SizeOf(typeof(APPBARDATA)),
hWnd = abWindow.Handle,
uEdge = (int)edge
};
int sWidth = (int)width;
int sHeight = (int)height;
int top = 0;
int left = 0;
int right = WindowManager.PrimaryMonitorDeviceSize.Width;
int bottom = WindowManager.PrimaryMonitorDeviceSize.Height;
if (abWindow.Screen != null)
{
top = abWindow.Screen.Bounds.Y;
left = abWindow.Screen.Bounds.X;
right = abWindow.Screen.Bounds.Right;
bottom = abWindow.Screen.Bounds.Bottom;
}
if (abd.uEdge == (int)ABEdge.ABE_LEFT || abd.uEdge == (int)ABEdge.ABE_RIGHT)
{
abd.rc.Top = top;
abd.rc.Bottom = bottom;
if (abd.uEdge == (int)ABEdge.ABE_LEFT)
{
abd.rc.Left = left;
abd.rc.Right = abd.rc.Left + sWidth;
}
else
{
abd.rc.Right = right;
abd.rc.Left = abd.rc.Right - sWidth;
}
}
else
{
abd.rc.Left = left;
abd.rc.Right = right;
if (abd.uEdge == (int)ABEdge.ABE_TOP)
{
if (!abWindow.requiresScreenEdge)
{
abd.rc.Top = top + Convert.ToInt32(GetAppBarEdgeWindowsHeight((ABEdge)abd.uEdge, abWindow.Screen));
}
else
{
abd.rc.Top = top;
}
abd.rc.Bottom = abd.rc.Top + sHeight;
}
else
{
if (!abWindow.requiresScreenEdge)
{
abd.rc.Bottom = bottom - Convert.ToInt32(GetAppBarEdgeWindowsHeight((ABEdge)abd.uEdge, abWindow.Screen));
}
else
{
abd.rc.Bottom = bottom;
}
abd.rc.Top = abd.rc.Bottom - sHeight;
}
}
PrepareForInterop();
SHAppBarMessage((int)ABMsg.ABM_QUERYPOS, ref abd);
InteropDone();
// system doesn't adjust all edges for us, do some adjustments
switch (abd.uEdge)
{
case (int)ABEdge.ABE_LEFT:
abd.rc.Right = abd.rc.Left + sWidth;
break;
case (int)ABEdge.ABE_RIGHT:
abd.rc.Left = abd.rc.Right - sWidth;
break;
case (int)ABEdge.ABE_TOP:
abd.rc.Bottom = abd.rc.Top + sHeight;
break;
case (int)ABEdge.ABE_BOTTOM:
abd.rc.Top = abd.rc.Bottom - sHeight;
break;
}
PrepareForInterop();
SHAppBarMessage((int)ABMsg.ABM_SETPOS, ref abd);
InteropDone();
// check if new coords
bool isSameCoords = false;
if (!isCreate)
{
bool topUnchanged = abd.rc.Top == (abWindow.Top * abWindow.dpiScale);
bool leftUnchanged = abd.rc.Left == (abWindow.Left * abWindow.dpiScale);
bool bottomUnchanged = abd.rc.Bottom == (abWindow.Top * abWindow.dpiScale) + sHeight;
bool rightUnchanged = abd.rc.Right == (abWindow.Left * abWindow.dpiScale) + sWidth;
isSameCoords = topUnchanged &&
leftUnchanged &&
bottomUnchanged &&
rightUnchanged;
}
if (!isSameCoords)
{
CairoLogger.Instance.Debug($"AppBarHelper: {abWindow.Name} changing position (TxLxBxR) to {abd.rc.Top}x{abd.rc.Left}x{abd.rc.Bottom}x{ abd.rc.Right} from {abWindow.Top * abWindow.dpiScale}x{abWindow.Left * abWindow.dpiScale}x{(abWindow.Top * abWindow.dpiScale) + sHeight}x{ (abWindow.Left * abWindow.dpiScale) + sWidth}");
abWindow.SetAppBarPosition(abd.rc);
}
abWindow.AfterAppBarPos(isSameCoords, abd.rc);
if (abd.rc.Bottom - abd.rc.Top < sHeight)
{
ABSetPos(abWindow, width, height, edge);
}
}
}
public static void ABSetPos(AppBarWindow abWindow, Screen screen, double width, double height, ABEdge edge, bool isCreate = false)
{
lock (appBarLock)
{
NativeMethods.APPBARDATA abd = new NativeMethods.APPBARDATA();
abd.cbSize = Marshal.SizeOf(typeof(NativeMethods.APPBARDATA));
IntPtr handle = new WindowInteropHelper(abWindow).Handle;
abd.hWnd = handle;
abd.uEdge = (int)edge;
int sWidth = (int)width;
int sHeight = (int)height;
int top = 0;
int left = 0;
int right = WindowManager.PrimaryMonitorDeviceSize.Width;
int bottom = WindowManager.PrimaryMonitorDeviceSize.Height;
/*PresentationSource ps = PresentationSource.FromVisual(abWindow);
*
* if (ps == null)
* {
* // if we are racing with screen setting changes, this will be null
* CairoLogger.Instance.Debug("AppBarHelper: Aborting ABSetPos due to window destruction");
* return;
* }
*
* double dpiScale = ps.CompositionTarget.TransformToDevice.M11;*/
if (screen != null)
{
top = screen.Bounds.Y;
left = screen.Bounds.X;
right = screen.Bounds.Right;
bottom = screen.Bounds.Bottom;
}
if (abd.uEdge == (int)ABEdge.ABE_LEFT || abd.uEdge == (int)ABEdge.ABE_RIGHT)
{
abd.rc.top = top;
abd.rc.bottom = bottom;
if (abd.uEdge == (int)ABEdge.ABE_LEFT)
{
abd.rc.left = left;
abd.rc.right = abd.rc.left + sWidth;
}
else
{
abd.rc.right = right;
abd.rc.left = abd.rc.right - sWidth;
}
}
else
{
abd.rc.left = left;
abd.rc.right = right;
if (abd.uEdge == (int)ABEdge.ABE_TOP)
{
if (!abWindow.requiresScreenEdge)
{
abd.rc.top = top + Convert.ToInt32(GetAppBarEdgeWindowsHeight((ABEdge)abd.uEdge, screen));
}
else
{
abd.rc.top = top;
}
abd.rc.bottom = abd.rc.top + sHeight;
}
else
{
if (!abWindow.requiresScreenEdge)
{
abd.rc.bottom = bottom - Convert.ToInt32(GetAppBarEdgeWindowsHeight((ABEdge)abd.uEdge, screen));
}
else
{
abd.rc.bottom = bottom;
}
abd.rc.top = abd.rc.bottom - sHeight;
}
}
prepareForInterop();
NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_QUERYPOS, ref abd);
interopDone();
// system doesn't adjust all edges for us, do some adjustments
switch (abd.uEdge)
{
case (int)ABEdge.ABE_LEFT:
abd.rc.right = abd.rc.left + sWidth;
break;
case (int)ABEdge.ABE_RIGHT:
abd.rc.left = abd.rc.right - sWidth;
break;
case (int)ABEdge.ABE_TOP:
abd.rc.bottom = abd.rc.top + sHeight;
break;
case (int)ABEdge.ABE_BOTTOM:
abd.rc.top = abd.rc.bottom - sHeight;
break;
}
prepareForInterop();
NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_SETPOS, ref abd);
interopDone();
// check if new coords
bool isSameCoords = false;
if (!isCreate)
{
isSameCoords = abd.rc.top == (abWindow.Top * abWindow.dpiScale) && abd.rc.left == (abWindow.Left * abWindow.dpiScale) && abd.rc.bottom == (abWindow.Top * abWindow.dpiScale) + sHeight && abd.rc.right == (abWindow.Left * abWindow.dpiScale) + sWidth;
}
if (!isSameCoords)
{
CairoLogger.Instance.Debug(string.Format("AppBarHelper: {0} changing position (TxLxBxR) to {1}x{2}x{3}x{4} from {5}x{6}x{7}x{8}", abWindow.Name, abd.rc.top, abd.rc.left, abd.rc.bottom, abd.rc.right, (abWindow.Top * abWindow.dpiScale), (abWindow.Left * abWindow.dpiScale), (abWindow.Top * abWindow.dpiScale) + sHeight, (abWindow.Left * abWindow.dpiScale) + sWidth));
abWindow.setAppBarPosition(abd.rc);
}
abWindow.afterAppBarPos(isSameCoords, abd.rc);
if (abd.rc.bottom - abd.rc.top < sHeight)
{
ABSetPos(abWindow, screen, width, height, edge);
}
}
}
