Fixes for edit boxes in wine.

tests/msaa_states_test.cpp

@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+#include "../msaa_states.h"
+#include <cstdio>
+
+int main() {
+  const struct { DWORD states; LONG role; const char *expected; } cases[] = {
+    {STATE_SYSTEM_CHECKED | STATE_SYSTEM_UNAVAILABLE, ROLE_SYSTEM_CHECKBUTTON, "checked, unavailable"},
+    {STATE_SYSTEM_MIXED | STATE_SYSTEM_CHECKED, ROLE_SYSTEM_CHECKBUTTON, "half checked"},
+    {0, ROLE_SYSTEM_RADIOBUTTON, "not checked"},
+    {STATE_SYSTEM_FOCUSED | STATE_SYSTEM_FOCUSABLE, ROLE_SYSTEM_PUSHBUTTON, ""},
+    {STATE_SYSTEM_SELECTED | STATE_SYSTEM_EXPANDED, ROLE_SYSTEM_OUTLINEITEM, "selected, expanded"},
+    {STATE_SYSTEM_PROTECTED | STATE_SYSTEM_READONLY, ROLE_SYSTEM_TEXT, "read only, password"},
+    {STATE_SYSTEM_COLLAPSED | STATE_SYSTEM_BUSY, ROLE_SYSTEM_OUTLINEITEM, "collapsed, busy"},
+    {STATE_SYSTEM_PRESSED, ROLE_SYSTEM_PUSHBUTTON, "pressed"},
+  };
+  for (const auto &testCase : cases) {
+    const auto actual = msaa_states(testCase.states, testCase.role);
+    if (actual != testCase.expected) {
+      std::fprintf(stderr, "MSAA state %lu: got '%s', expected '%s'\n",
+                   static_cast<unsigned long>(testCase.states), actual.c_str(), testCase.expected);
+      return 1;
+    }
+  }
+  std::puts("PASS: MSAA bitmask states, unchecked roles and password flags");
+  return 0;
+}