Taskbar10: Various fixes for 26052+ support

ExplorerPatcher-L10N

@@ -1 +1 @@
-Subproject commit 0fbda72e30fe4b7cdb25f325a7943469c1b483f9
+Subproject commit 25b9ac6431efa6cea5461f41eae0376eb2642e26

ExplorerPatcher/dllmain.c

@@ -2525,19 +2525,27 @@ INT64 Shell_TrayWndSubclassProc(
     DWORD_PTR   bIsPrimaryTaskbar
 )
 {
-    if (uMsg == WM_NCDESTROY)
+    switch (uMsg)
+    {
+        case WM_NCDESTROY:
         {
             if (bIsPrimaryTaskbar)
             {
                 UnhookWindowsHookEx(Shell_TrayWndMouseHook);
             }
             RemoveWindowSubclass(hWnd, Shell_TrayWndSubclassProc, Shell_TrayWndSubclassProc);
+            break;
         }
-    else if (bOldTaskbar && !bIsPrimaryTaskbar && TaskbarCenter_ShouldCenter(dwMMOldTaskbarAl) && TaskbarCenter_ShouldStartBeCentered(dwMMOldTaskbarAl) && (uMsg == WM_NCLBUTTONDOWN || uMsg == WM_NCRBUTTONUP) && HandleTaskbarCornerInteraction(hWnd, uMsg, wParam, lParam))
+        case WM_NCLBUTTONDOWN:
+        case WM_NCRBUTTONUP:
         {
+            if (bOldTaskbar && !bIsPrimaryTaskbar && TaskbarCenter_ShouldCenter(dwMMOldTaskbarAl) && TaskbarCenter_ShouldStartBeCentered(dwMMOldTaskbarAl) && HandleTaskbarCornerInteraction(hWnd, uMsg, wParam, lParam))
                 return 0;
+            break;
         }
-    else if (!bIsPrimaryTaskbar && uMsg == WM_CONTEXTMENU)
+        case WM_CONTEXTMENU:
+        {
+            if (!bIsPrimaryTaskbar)
             {
                 // Received some times when right clicking a secondary taskbar button, and it would
                 // show the classic taskbar context menu but containing only "Show desktop" instead
@@ -2545,41 +2553,69 @@ INT64 Shell_TrayWndSubclassProc(
                 // the right menu
                 return 0;
             }
-    else if (!bOldTaskbar && !bIsPrimaryTaskbar && uMsg == WM_SETCURSOR)
+            break;
+        }
+        case WM_SETCURSOR:
+        {
+            if (!bOldTaskbar && !bIsPrimaryTaskbar)
             {
                 // Received when mouse is over taskbar edge and autohide is on
                 PostMessageW(hWnd, WM_ACTIVATE, WA_ACTIVE, NULL);
             }
-    else if (bOldTaskbar && uMsg == WM_LBUTTONDBLCLK && bTaskbarAutohideOnDoubleClick)
+            break;
+        }
+        case WM_LBUTTONDBLCLK:
+        {
+            if (bOldTaskbar && bTaskbarAutohideOnDoubleClick)
             {
                 ToggleTaskbarAutohide();
                 return 0;
             }
-    else if (uMsg == WM_HOTKEY && wParam == 500 && lParam == MAKELPARAM(MOD_WIN, 0x41) && IsWindows11())
+            break;
+        }
+        case WM_HOTKEY:
+        {
+            if (wParam == 500 && lParam == MAKELPARAM(MOD_WIN, 'A') && global_rovi.dwBuildNumber >= 25921 && bOldTaskbar == 1)
             {
                 InvokeActionCenter();
                 return 0;
-        /*if (lpShouldDisplayCCButton)
+            }
+            break;
+        }
+        case WM_DISPLAYCHANGE:
         {
-            *lpShouldDisplayCCButton = 1;
+            if (bIsPrimaryTaskbar)
-        }
-        LRESULT lRes = DefSubclassProc(hWnd, uMsg, wParam, lParam);
-        if (lpShouldDisplayCCButton)
-        {
-            *lpShouldDisplayCCButton = bHideControlCenterButton;
-        }
-        return lRes;*/
-    }
-    else if (bIsPrimaryTaskbar && uMsg == WM_DISPLAYCHANGE)
             {
                 UpdateStartMenuPositioning(MAKELPARAM(TRUE, FALSE));
             }
-    //else if (!bOldTaskbar && uMsg == WM_PARENTNOTIFY && wParam == WM_RBUTTONDOWN && !Shell_TrayWndMouseHook) // && !IsUndockingDisabled
+            break;
-    //{
+        }
-    //    DWORD dwThreadId = GetCurrentThreadId();
+        /*case WM_PARENTNOTIFY:
-    //    Shell_TrayWndMouseHook = SetWindowsHookExW(WH_MOUSE, Shell_TrayWndMouseProc, NULL, dwThreadId);
+        {
-    //}
+            if (!bOldTaskbar && wParam == WM_RBUTTONDOWN && !Shell_TrayWndMouseHook) // && !IsUndockingDisabled
-    else if (uMsg == RegisterWindowMessageW(L"Windows11ContextMenu_" _T(EP_CLSID)))
+            {
+                DWORD dwThreadId = GetCurrentThreadId();
+                Shell_TrayWndMouseHook = SetWindowsHookExW(WH_MOUSE, Shell_TrayWndMouseProc, NULL, dwThreadId);
+            }
+            break;
+        }*/
+        case WM_SETTINGCHANGE:
+        {
+            if (IsWindows11Version22H2OrHigher() && (*((WORD*)&(lParam)+1)) && !wcscmp(lParam, L"EnsureXAML"))
+            {
+                EnsureXAML();
+                return 0;
+            }
+            break;
+        }
+        case 0x558:
+        {
+            g_bIsDesktopRaised = (lParam & 1) == 0;
+            break;
+        }
+    }
+
+    if (uMsg >= 0xC000 && uMsg <= 0xFFFF && uMsg == RegisterWindowMessageW(L"Windows11ContextMenu_" _T(EP_CLSID)))
     {
         POINT pt;
         pt.x = GET_X_LPARAM(lParam);
@@ -2726,15 +2762,7 @@ INT64 Shell_TrayWndSubclassProc(
             DestroyMenu(hMenu);
         }
     }
-    else if (uMsg == 1368)
+
-    {
-        g_bIsDesktopRaised = (lParam & 1) == 0;
-    }
-    else if (uMsg == WM_SETTINGCHANGE && IsWindows11Version22H2OrHigher() && (*((WORD*)&(lParam)+1)) && !wcscmp(lParam, L"EnsureXAML"))
-    {
-        EnsureXAML();
-        return 0;
-    }
     return DefSubclassProc(hWnd, uMsg, wParam, lParam);
 }
 #endif
@@ -10130,7 +10158,9 @@ int RtlQueryFeatureConfigurationHook(UINT32 featureId, int sectionType, INT64* c
         {
             if (bOldTaskbar)
             {
-                // Fixes start menu positioning when the taskbar is at the left or right side
+                // This feature flag when enabled makes the flyouts disregard the left and right offsets, so that they
+                // appear over the Copilot sidebar instead of beside it. Disabling this fixes start menu positioning
+                // when the taskbar is at the left or right side, but it produce that aforementioned behavior.
                 buffer->enabledState = FEATURE_ENABLED_STATE_DISABLED;
             }
             break;
@@ -10548,7 +10578,7 @@ BOOL Moment2PatchToastCenter(LPMODULEINFO mi)
     //
     // Pattern 2:
     // Will have a match if CToastCenterExperienceManager::ShouldShowWithinWorkArea() is inlined.
-    // ```0F 10 45 ?? ?? 0F 7F 44 24 ?? 44 // movups - movdqu - cmp```
+    // ```0F 10 45 ?? ?? 0F 7F 44 24 ?? 44 38 // movups - movdqu - cmp```
     // 25951.1000: 36B2C4
     //
     // Pattern 3:
@@ -10558,20 +10588,20 @@ BOOL Moment2PatchToastCenter(LPMODULEINFO mi)
     //
     // Pattern 4:
     // Same as pattern 2, but different length of the movdqu instruction.
-    // ```0F 10 45 ?? ?? 0F 7F 45 ?? 44 // movups - movdqu - cmp```
+    // ```0F 10 45 ?? ?? 0F 7F 45 ?? 44 38 // movups - movdqu - cmp```
     // No matches yet, just in case.
     int assignmentSize = 10;
     PBYTE rcMonitorAssignment = FindPattern(mi->lpBaseOfDll, mi->SizeOfImage, "\x0F\x10\x45\x00\x00\x0F\x7F\x44\x24\x00\x48\x8B\xCF", "xxx??xxxx?xxx");
     if (!rcMonitorAssignment)
     {
-        rcMonitorAssignment = FindPattern(mi->lpBaseOfDll, mi->SizeOfImage, "\x0F\x10\x45\x00\x00\x0F\x7F\x44\x24\x00\x44", "xxx??xxxx?x");
+        rcMonitorAssignment = FindPattern(mi->lpBaseOfDll, mi->SizeOfImage, "\x0F\x10\x45\x00\x00\x0F\x7F\x44\x24\x00\x44\x38", "xxx??xxxx?xx");
         if (!rcMonitorAssignment)
         {
             assignmentSize = 9;
             rcMonitorAssignment = FindPattern(mi->lpBaseOfDll, mi->SizeOfImage, "\x0F\x10\x45\x00\x00\x0F\x7F\x45\x00\x48\x8B\xCF", "xxx??xxx?xxx");
             if (!rcMonitorAssignment)
             {
-                rcMonitorAssignment = FindPattern(mi->lpBaseOfDll, mi->SizeOfImage, "\x0F\x10\x45\x00\x00\x0F\x7F\x45\x00\x44", "xxx??xxx?x");
+                rcMonitorAssignment = FindPattern(mi->lpBaseOfDll, mi->SizeOfImage, "\x0F\x10\x45\x00\x00\x0F\x7F\x45\x00\x44\x38", "xxx??xxx?xx");
                 if (!rcMonitorAssignment) return FALSE;
             }
         }
@@ -11865,22 +11895,9 @@ BOOL CrashCounterHandleEntryPoint()
 
 #pragma region "Loader for alternate taskbar implementation"
 #ifdef _WIN64
-void PrepareAlternateTaskbarImplementation(symbols_addr* symbols_PTRS)
+BOOL CheckExplorerSymbols(symbols_addr* symbols_PTRS)
 {
-    if (!IsWindows11Version22H2OrHigher())
+    BOOL bAllValid = TRUE;
-        return; // Definitely unsupported
-
-    if (bOldTaskbar <= 1)
-        return; // Not enabled
-
-    const WCHAR* pszTaskbarDll = PickTaskbarDll();
-    if (!pszTaskbarDll)
-    {
-        wprintf(L"[TB] Unsupported build\n");
-        return;
-    }
-
-    bool bAllValid = true;
     for (SIZE_T j = 0; j < ARRAYSIZE(symbols_PTRS->explorer_PTRS); ++j)
     {
         DWORD i = symbols_PTRS->explorer_PTRS[j];
@@ -11888,10 +11905,33 @@ void PrepareAlternateTaskbarImplementation(symbols_addr* symbols_PTRS)
         if (!bAllValid)
             break;
     }
+    return bAllValid;
+}
 
-    if (!bAllValid)
+const WCHAR* GetTaskbarDllChecked(symbols_addr* symbols_PTRS)
+{
+    if (bOldTaskbar < 2 || !IsWindows11Version22H2OrHigher())
+    {
+        return NULL;
+    }
+    const WCHAR* pszTaskbarDll = PickTaskbarDll();
+    if (!pszTaskbarDll)
+    {
+        wprintf(L"[TB] Unsupported build\n");
+        return NULL;
+    }
+    if (!CheckExplorerSymbols(symbols_PTRS))
     {
         wprintf(L"[TB] Missing offsets\n");
+        return NULL;
+    }
+    return pszTaskbarDll;
+}
+
+void PrepareAlternateTaskbarImplementation(symbols_addr* symbols_PTRS, const WCHAR* pszTaskbarDll)
+{
+    if (!symbols_PTRS || !pszTaskbarDll)
+    {
         return;
     }
 
@@ -12345,6 +12385,12 @@ DWORD Inject(BOOL bIsExplorer)
         }
     }
 
+    const WCHAR* pszTaskbarDll = GetTaskbarDllChecked(&symbols_PTRS);
+    if (bOldTaskbar >= 2 && !pszTaskbarDll)
+    {
+        bOldTaskbar = 1;
+    }
+
 
     HANDLE hUser32 = LoadLibraryW(L"user32.dll");
     CreateWindowInBand = GetProcAddress(hUser32, "CreateWindowInBand");
@@ -12685,7 +12731,7 @@ DWORD Inject(BOOL bIsExplorer)
 #endif
 
     VnPatchIAT(hTwinuiPcshell, "API-MS-WIN-CORE-REGISTRY-L1-1-0.DLL", "RegGetValueW", twinuipcshell_RegGetValueW);
-    PrepareAlternateTaskbarImplementation(&symbols_PTRS);
+    PrepareAlternateTaskbarImplementation(&symbols_PTRS, pszTaskbarDll);
     printf("Setup twinui.pcshell functions done\n");
 
 

ExplorerPatcher/utility.h

@@ -703,16 +703,21 @@ inline const WCHAR* PickTaskbarDll()
         return L"ep_taskbar.2.dll";
     }
 
-    if (b >= 25201 && b <= 25915) // Pre-reboot Dev channel until early Canary channel
+    if (b >= 25201 && b <= 25915) // Pre-reboot Dev channel until early Canary channel, nuked ITrayComponentHost methods related to classic search box
     {
         return L"ep_taskbar.3.dll";
     }
 
-    if (b >= 25921) // Canary channel with nuked classic system tray
+    if (b >= 25921 && b <= 26040) // Canary channel with nuked classic system tray
     {
         return L"ep_taskbar.4.dll";
     }
 
+    if (b >= 26052) // Same as 4 but with 2 new methods in ITrayComponentHost between GetTrayUI and ProgrammableTaskbarReportClick
+    {
+        return L"ep_taskbar.5.dll";
+    }
+
     return NULL;
 }
 

ep_setup/ep_setup.c

@@ -440,6 +440,17 @@ BOOL DownloadResource(BOOL bInstall, LPCWSTR pwszURL, DWORD dwSize, LPCSTR chash
     return bOk;
 }
 
+BOOL ProcessTaskbarDlls(BOOL bInstall, HINSTANCE hInstance, WCHAR wszPath[260], BOOL bExtractMode)
+{
+    BOOL bOk = TRUE;
+    LPCWSTR pwszTaskbarDllName = bExtractMode ? NULL : PickTaskbarDll();
+    if (bOk) bOk = InstallResource(bInstall && (bExtractMode || pwszTaskbarDllName && !wcscmp(pwszTaskbarDllName, L"ep_taskbar.2.dll")), hInstance, IDR_EP_TASKBAR_2, wszPath, L"ep_taskbar.2.dll");
+    if (bOk) bOk = InstallResource(bInstall && (bExtractMode || pwszTaskbarDllName && !wcscmp(pwszTaskbarDllName, L"ep_taskbar.3.dll")), hInstance, IDR_EP_TASKBAR_3, wszPath, L"ep_taskbar.3.dll");
+    if (bOk) bOk = InstallResource(bInstall && (bExtractMode || pwszTaskbarDllName && !wcscmp(pwszTaskbarDllName, L"ep_taskbar.4.dll")), hInstance, IDR_EP_TASKBAR_4, wszPath, L"ep_taskbar.4.dll");
+    if (bOk) bOk = InstallResource(bInstall && (bExtractMode || pwszTaskbarDllName && !wcscmp(pwszTaskbarDllName, L"ep_taskbar.5.dll")), hInstance, IDR_EP_TASKBAR_5, wszPath, L"ep_taskbar.5.dll");
+    return bOk;
+}
+
 int WINAPI wWinMain(
     _In_ HINSTANCE hInstance,
     _In_opt_ HINSTANCE hPrevInstance,
@@ -481,10 +492,8 @@ int WINAPI wWinMain(
         if (bOk) bOk = InstallResource(bInstall, hInstance, IDR_MS_WEBVIEW2_LOADER, wszPath, L"WebView2Loader.dll");
         if (bOk) bOk = InstallResource(bInstall, hInstance, IDR_EP_STARTMENU, wszPath, L"wincorlib.dll");
         if (bOk) bOk = InstallResource(bInstall, hInstance, IDR_EP_GUI, wszPath, L"ep_gui.dll");
-        if (bOk) bOk = InstallResource(bInstall, hInstance, IDR_EP_TASKBAR_2, wszPath, L"ep_taskbar.2.dll");
+        if (bOk) bOk = ProcessTaskbarDlls(bInstall, hInstance, wszPath, TRUE);
-        if (bOk) bOk = InstallResource(bInstall, hInstance, IDR_EP_TASKBAR_3, wszPath, L"ep_taskbar.3.dll");
+        return !bOk;
-        if (bOk) bOk = InstallResource(bInstall, hInstance, IDR_EP_TASKBAR_4, wszPath, L"ep_taskbar.4.dll");
-        return 0;
     }
 
     WCHAR wszOwnPath[MAX_PATH];
@@ -823,10 +832,7 @@ int WINAPI wWinMain(
             if (bOk) bOk = InstallResource(bInstall, hInstance, IDR_EP_WEATHER_STUB, wszPath, L"ep_weather_host_stub.dll");
             if (bOk) bOk = InstallResource(bInstall, hInstance, IDR_MS_WEBVIEW2_LOADER, wszPath, L"WebView2Loader.dll");
         }
-        LPCWSTR pwszTaskbarDllName = PickTaskbarDll();
+        if (bOk) bOk = ProcessTaskbarDlls(bInstall, hInstance, wszPath, FALSE);
-        if (bOk) bOk = InstallResource(bInstall && pwszTaskbarDllName && !wcscmp(pwszTaskbarDllName, L"ep_taskbar.2.dll"), hInstance, IDR_EP_TASKBAR_2, wszPath, L"ep_taskbar.2.dll");
-        if (bOk) bOk = InstallResource(bInstall && pwszTaskbarDllName && !wcscmp(pwszTaskbarDllName, L"ep_taskbar.3.dll"), hInstance, IDR_EP_TASKBAR_3, wszPath, L"ep_taskbar.3.dll");
-        if (bOk) bOk = InstallResource(bInstall && pwszTaskbarDllName && !wcscmp(pwszTaskbarDllName, L"ep_taskbar.4.dll"), hInstance, IDR_EP_TASKBAR_4, wszPath, L"ep_taskbar.4.dll");
 
         // --------------------------------------------------------------------------------
 

ep_setup/ep_setup.vcxproj

@@ -165,6 +165,11 @@
       <PreprocessorDefinitions>EP_TASKBAR_4_EXISTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ResourceCompile>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="Exists('..\build\$(Configuration)\ep_taskbar.5.dll')">
+    <ResourceCompile>
+      <PreprocessorDefinitions>EP_TASKBAR_5_EXISTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ResourceCompile>
+  </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\ExplorerPatcher\utility.c" />
     <ClCompile Include="ep_setup.c" />

ep_setup/resources/ep_setup.rc

@@ -118,6 +118,10 @@ IDR_EP_TASKBAR_3        RCDATA             "..\\build\\Release\\ep_taskbar.3.dll
 IDR_EP_TASKBAR_4        RCDATA             "..\\build\\Release\\ep_taskbar.4.dll"
 #endif
 
+#if EP_TASKBAR_5_EXISTS
+IDR_EP_TASKBAR_5        RCDATA             "..\\build\\Release\\ep_taskbar.5.dll"
+#endif
+
 #endif    // English (United States) resources
 /////////////////////////////////////////////////////////////////////////////
 

ep_setup/resources/resource.h

@@ -13,6 +13,7 @@
 #define IDR_EP_TASKBAR_2                110
 #define IDR_EP_TASKBAR_3                111
 #define IDR_EP_TASKBAR_4                112
+#define IDR_EP_TASKBAR_5                113
 
 #define IDS_SETUP_UNINSTALL_PROMPT      301
 #define IDS_SETUP_INSTALL_LOGOFF        302