[FancyZones] Bypass restriction on SetForegroundWindow (#14383)

Co-authored-by: float4 <float4-unspecified-mail>

src/modules/fancyzones/FancyZonesLib/ZoneSet.cpp

@@ -594,19 +594,17 @@ ZoneSet::CycleTabs(HWND window, bool reverse) noexcept
     for (;;)
     {
         auto next = GetNextTab(indexSet, window, reverse);
-        if (next == NULL)
-        {
-            break;
-        }
 
-        auto success = SetForegroundWindow(next);
-        if (!success && GetLastError() == ERROR_INVALID_WINDOW_HANDLE)
+        // Determine whether the window still exists
+        if (!IsWindow(next))
         {
             // Dismiss the encountered window since it was probably closed
             DismissWindow(next);
             continue;
         }
 
+        SwitchToWindow(next);
+
         break;
     }
 }

src/modules/fancyzones/FancyZonesLib/util.cpp

@@ -369,6 +369,22 @@ namespace FancyZonesUtils
         ::SetWindowPlacement(window, &placement);
     }
 
+    void SwitchToWindow(HWND window) noexcept
+    {
+        // Check if the window is minimized
+        if (IsIconic(window))
+        {
+            // Show the window since SetForegroundWindow fails on minimized windows
+            ShowWindow(window, SW_RESTORE);
+        }
+
+        // This is a hack to bypass the restriction on setting the foreground window
+        INPUT inputs[1] = { { .type = INPUT_MOUSE } };
+        SendInput(ARRAYSIZE(inputs), inputs, sizeof(INPUT));
+
+        SetForegroundWindow(window);
+    }
+
     bool HasNoVisibleOwner(HWND window) noexcept
     {
         auto owner = GetWindow(window, GW_OWNER);

src/modules/fancyzones/FancyZonesLib/util.h

@@ -195,6 +195,8 @@ namespace FancyZonesUtils
     // Parameter rect must be in screen coordinates (e.g. obtained from GetWindowRect)
     void SizeWindowToRect(HWND window, RECT rect) noexcept;
 
+    void SwitchToWindow(HWND window) noexcept;
+
     bool HasNoVisibleOwner(HWND window) noexcept;
     bool IsStandardWindow(HWND window);
     bool IsCandidateForLastKnownZone(HWND window, const std::vector<std::wstring>& excludedApps) noexcept;