[FancyZones] Filter for non-processable windows

src/modules/fancyzones/FancyZonesLib/FancyZones.cpp

@@ -29,6 +29,7 @@
 #include <FancyZonesLib/VirtualDesktop.h>
 #include <FancyZonesLib/WindowKeyboardSnap.h>
 #include <FancyZonesLib/WindowMouseSnap.h>
+#include <FancyZonesLib/WindowUtils.h>
 #include <FancyZonesLib/WorkArea.h>
 #include <FancyZonesLib/WorkAreaConfiguration.h>
 
@@ -394,6 +395,15 @@ void FancyZones::WindowCreated(HWND window) noexcept
         return;
     }
 
+    // Hotfix
+    // Avoid automatically moving popup windows, as they can be just popup menus.
+    bool isPopup = FancyZonesWindowUtils::IsPopupWindow(window);
+    bool hasThickFrame = FancyZonesWindowUtils::HasThickFrame(window);
+    if (isPopup && !hasThickFrame)
+    {
+        return;
+    }
+
     // Avoid already stamped (zoned) windows
     const bool isZoned = !FancyZonesWindowProperties::RetrieveZoneIndexProperty(window).empty();
     if (isZoned)

src/modules/fancyzones/FancyZonesLib/WindowUtils.cpp

@@ -192,6 +192,12 @@ bool FancyZonesWindowUtils::IsPopupWindow(HWND window) noexcept
     return ((style & WS_POPUP) == WS_POPUP);
 }
 
+bool FancyZonesWindowUtils::HasThickFrame(HWND window) noexcept
+{
+    auto style = GetWindowLong(window, GWL_STYLE);
+    return ((style & WS_THICKFRAME) == WS_THICKFRAME);
+}
+
 bool FancyZonesWindowUtils::HasThickFrameAndMinimizeMaximizeButtons(HWND window) noexcept
 {
     auto style = GetWindowLong(window, GWL_STYLE);

src/modules/fancyzones/FancyZonesLib/WindowUtils.h

@@ -20,6 +20,7 @@ namespace FancyZonesWindowUtils
     bool HasVisibleOwner(HWND window) noexcept;
     bool IsStandardWindow(HWND window);
     bool IsPopupWindow(HWND window) noexcept;
+    bool HasThickFrame(HWND window) noexcept;
     bool HasThickFrameAndMinimizeMaximizeButtons(HWND window) noexcept;
     bool IsProcessOfWindowElevated(HWND window); // If HWND is already dead, we assume it wasn't elevated