private static void WindowHidden(IntPtr hwnd)
{
Logger.Verbose($"Processing newly hidden window ({hwnd})...");
var windowInfo = Find(hwnd);
if (windowInfo == null)
{
var message = $"This window was not handled by the {nameof(WindowManager)} ({hwnd})";
Logger.Verbose(message);
return;
}
windowInfo.IsShown = false;
AllWindowsList.Remove(windowInfo);
if (MainWindow != null && MainWindow.Equals(windowInfo))
{
Logger.Info($"Main window ({hwnd}) closed.");
MainWindow = null;
}
else if (windowInfo.IsBlocking)
{
Logger.Info($"Blocking window ({hwnd}) closed.");
var index = BlockingWindowsList.IndexOf(windowInfo);
if (index < 0)
{
throw new InvalidOperationException("An unregistered blocking window has been closed.");
}
BlockingWindowsList.RemoveAt(index);
windowInfo.IsBlocking = false;
if (MainWindow != null && MainWindow.IsShown && BlockingWindowsList.Count == 0 && ModalWindows.Count == 0)
{
Logger.Verbose($"Main window ({MainWindow.Hwnd}) enabled because no more modal nor blocking windows are visible.");
MainWindow.IsDisabled = false;
}
ActivateMainWindow();
}
else
{
// Note: We cannot check windowInfo.IsModal anymore at that point because the window is closed.
var index = ModalWindowsList.IndexOf(windowInfo);
if (index >= 0)
{
Logger.Info($"Modal window ({hwnd}) closed.");
ModalWindowsList.RemoveAt(index);
if (ModalWindowsList.Count == 0)
{
foreach (var blockingWindow in BlockingWindowsList)
{
Logger.Verbose($"Blocking window ({blockingWindow.Hwnd}) enabled because no more modal windows are visible.");
blockingWindow.IsDisabled = false;
}
if (MainWindow != null && MainWindow.IsShown && BlockingWindowsList.Count == 0 && ModalWindows.Count == 0)
{
Logger.Verbose($"Main window ({MainWindow.Hwnd}) enabled because no more modal nor blocking windows are visible.");
MainWindow.IsDisabled = false;
}
// re-activate only after all popups have closed, since some popups are spawned from popups themselves,
// when their original parent closes, reactivating the main window causes the still living children to close.
ActivateMainWindow();
}
}
}
}
private static void WindowShown(IntPtr hwnd)
{
if (!HwndHelper.HasStyleFlag(hwnd, NativeHelper.WS_VISIBLE))
{
Logger.Debug($"Discarding non-visible window ({hwnd})");
return;
}
Logger.Verbose($"Processing newly shown window ({hwnd})...");
var windowInfo = Find(hwnd);
if (windowInfo == null)
{
windowInfo = new WindowInfo(hwnd);
if (Debugger.IsAttached)
{
// Some external processes might attach a window to ours, we want to discard them.
foreach (var debugWindowTypeName in DebugWindowTypeNames)
{
if (windowInfo.Window?.GetType().FullName.StartsWith(debugWindowTypeName) ?? false)
{
Logger.Debug($"Discarding debug/diagnostics window '{windowInfo.Window.GetType().FullName}' ({hwnd})");
return;
}
}
}
AllWindowsList.Add(windowInfo);
}
windowInfo.IsShown = true;
if (windowInfo == MainWindow)
{
Logger.Info($"Main window ({hwnd}) shown.");
foreach (var blockingWindow in BlockingWindowsList)
{
Logger.Debug($"Setting owner of exiting blocking window {blockingWindow.Hwnd} to be the main window ({hwnd}).");
blockingWindow.Owner = MainWindow;
}
if (ModalWindowsList.Count > 0 || BlockingWindowsList.Count > 0)
{
Logger.Verbose($"Main window ({MainWindow.Hwnd}) disabled because a modal or blocking window is already visible.");
MainWindow.IsDisabled = true;
}
}
else if (windowInfo.IsBlocking)
{
Logger.Info($"Blocking window ({hwnd}) shown.");
if (MainWindow != null && MainWindow.IsShown)
{
Logger.Verbose($"Main window ({MainWindow.Hwnd}) disabled by new blocking window.");
MainWindow.IsDisabled = true;
}
if (ModalWindowsList.Count > 0)
{
Logger.Verbose($"Blocking window ({hwnd}) disabled because a modal is already visible.");
windowInfo.IsDisabled = true;
}
}
else if (windowInfo.IsModal)
{
Logger.Info($"Modal window ({hwnd}) shown.");
ModalWindowsList.Add(windowInfo);
}
}