explorer: Don't pop start menu on "minimize all windows" systray command.

Author: Paul Gofman

dlls/user32/tests/win.c

@@ -1796,7 +1796,7 @@ static void test_shell_window(void)
 
     WaitForSingleObject(hthread, INFINITE);
 
-    DeleteObject(hthread);
+    CloseHandle(hthread);
 
     CloseDesktop(hdesk);
 }
@@ -13033,6 +13033,32 @@ static void test_WM_NCCALCSIZE(void)
     DestroyWindow(hwnd);
 }
 
+#define TRAY_MINIMIZE_ALL 419
+
+static void test_shell_tray(void)
+{
+    HWND hwnd, traywnd;
+
+    if (!(traywnd = FindWindowA( "Shell_TrayWnd", NULL )))
+    {
+        skip( "Shell_TrayWnd not found, skipping tests.\n" );
+        return;
+    }
+
+    hwnd = CreateWindowW( L"static", L"parent", WS_OVERLAPPEDWINDOW|WS_VISIBLE,
+                                  100, 100, 200, 200, 0, 0, 0, NULL );
+    ok( !!hwnd, "failed, error %lu.\n", GetLastError() );
+    flush_events( TRUE );
+
+    ok( !IsIconic( hwnd ), "window is minimized.\n" );
+
+    SendMessageA( traywnd, WM_COMMAND, TRAY_MINIMIZE_ALL, 0xdeadbeef );
+    flush_events( TRUE );
+    todo_wine ok( IsIconic( hwnd ), "window is not minimized.\n" );
+
+    DestroyWindow(hwnd);
+}
+
 START_TEST(win)
 {
     char **argv;
@@ -13229,4 +13255,5 @@ START_TEST(win)
     test_topmost();
 
     test_shell_window();
+    test_shell_tray();
 }

programs/explorer/systray.c

@@ -33,6 +33,8 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(systray);
 
+#define TRAY_MINIMIZE_ALL 419
+
 struct notify_data  /* platform-independent format for NOTIFYICONDATA */
 {
     LONG  hWnd;
@@ -1060,7 +1062,15 @@ static LRESULT WINAPI shell_traywnd_proc( HWND hwnd, UINT msg, WPARAM wparam, LP
         break;
 
     case WM_COMMAND:
-        if (HIWORD(wparam) == BN_CLICKED) click_taskbar_button( (HWND)lparam );
+        if (HIWORD(wparam) == BN_CLICKED)
+        {
+            if (LOWORD(wparam) == TRAY_MINIMIZE_ALL)
+            {
+                FIXME( "Shell command %u is not supported.\n", LOWORD(wparam) );
+                break;
+            }
+            click_taskbar_button( (HWND)lparam );
+        }
         break;
 
     case WM_CONTEXTMENU: