public void NotifyAppBarEvent(AppBarWindow sender, AppBarEventReason reason)
{
AppBarEventArgs args = new AppBarEventArgs {
Reason = reason
};
AppBarEvent?.Invoke(sender, args);
}
public int RegisterBar(AppBarWindow abWindow, double width, double height, AppBarEdge edge = AppBarEdge.Top)
{
lock (appBarLock)
{
APPBARDATA abd = new APPBARDATA();
abd.cbSize = Marshal.SizeOf(typeof(APPBARDATA));
abd.hWnd = abWindow.Handle;
if (!AppBars.Contains(abWindow))
{
if (!EnvironmentHelper.IsAppRunningAsShell)
{
uCallBack = RegisterWindowMessage("AppBarMessage");
abd.uCallbackMessage = uCallBack;
SHAppBarMessage((int)ABMsg.ABM_NEW, ref abd);
}
AppBars.Add(abWindow);
ShellLogger.Debug($"AppBarManager: Created AppBar for handle {abWindow.Handle}");
if (!EnvironmentHelper.IsAppRunningAsShell)
{
ABSetPos(abWindow, width, height, edge, true);
}
else
{
SetWorkArea(abWindow.Screen);
}
}
else
{
if (!EnvironmentHelper.IsAppRunningAsShell)
{
SHAppBarMessage((int)ABMsg.ABM_REMOVE, ref abd);
}
AppBars.Remove(abWindow);
ShellLogger.Debug($"AppBarManager: Removed AppBar for handle {abWindow.Handle}");
if (EnvironmentHelper.IsAppRunningAsShell)
{
SetWorkArea(abWindow.Screen);
}
return(0);
}
}
return(uCallBack);
}
public void ABSetPos(AppBarWindow abWindow, double width, double height, AppBarEdge 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 = ScreenHelper.PrimaryMonitorDeviceSize.Width;
int bottom = ScreenHelper.PrimaryMonitorDeviceSize.Height;
int edgeOffset = 0;
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 (!abWindow.RequiresScreenEdge)
{
edgeOffset = Convert.ToInt32(GetAppBarEdgeWindowsHeight((AppBarEdge)abd.uEdge, abWindow.Screen));
}
if (abd.uEdge == (int)AppBarEdge.Left || abd.uEdge == (int)AppBarEdge.Right)
{
abd.rc.Top = top;
abd.rc.Bottom = bottom;
if (abd.uEdge == (int)AppBarEdge.Left)
{
abd.rc.Left = left + edgeOffset;
abd.rc.Right = abd.rc.Left + sWidth;
}
else
{
abd.rc.Right = right - edgeOffset;
abd.rc.Left = abd.rc.Right - sWidth;
}
}
else
{
abd.rc.Left = left;
abd.rc.Right = right;
if (abd.uEdge == (int)AppBarEdge.Top)
{
abd.rc.Top = top + edgeOffset;
abd.rc.Bottom = abd.rc.Top + sHeight;
}
else
{
abd.rc.Bottom = bottom - edgeOffset;
abd.rc.Top = abd.rc.Bottom - sHeight;
}
}
SHAppBarMessage((int)ABMsg.ABM_QUERYPOS, ref abd);
// system doesn't adjust all edges for us, do some adjustments
switch (abd.uEdge)
{
case (int)AppBarEdge.Left:
abd.rc.Right = abd.rc.Left + sWidth;
break;
case (int)AppBarEdge.Right:
abd.rc.Left = abd.rc.Right - sWidth;
break;
case (int)AppBarEdge.Top:
abd.rc.Bottom = abd.rc.Top + sHeight;
break;
case (int)AppBarEdge.Bottom:
abd.rc.Top = abd.rc.Bottom - sHeight;
break;
}
SHAppBarMessage((int)ABMsg.ABM_SETPOS, ref abd);
// 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)
{
ShellLogger.Debug($"AppBarManager: {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.uEdge == (int)AppBarEdge.Top || abd.uEdge == (int)AppBarEdge.Bottom) && abd.rc.Bottom - abd.rc.Top < sHeight) ||
((abd.uEdge == (int)AppBarEdge.Left || abd.uEdge == (int)AppBarEdge.Right) && abd.rc.Right - abd.rc.Left < sWidth))
{
ABSetPos(abWindow, width, height, edge);
}
}
}
