More accessibility fixes using foobar2000 as a test.

tests/controls_fixture.c

@@ -0,0 +1,112 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+#define UNICODE
+#define _UNICODE
+#include <windows.h>
+#include <commctrl.h>
+
+static HWND tabs, atlTabs, tree, combo, edit, button;
+static HTREEITEM root;
+static int step;
+
+static void focus_control(HWND window) {
+  SetFocus(window);
+  NotifyWinEvent(EVENT_OBJECT_FOCUS, window, OBJID_CLIENT, CHILDID_SELF);
+}
+
+static LRESULT CALLBACK window_proc(HWND window, UINT message, WPARAM wp, LPARAM lp) {
+  if (message == WM_TIMER) {
+    switch (++step) {
+    case 1: SendMessageW(tabs, WM_KEYDOWN, VK_RIGHT, 1); break;
+    case 2: focus_control(button); break;
+    case 3: focus_control(atlTabs); break;
+    case 4: SendMessageW(atlTabs, WM_KEYDOWN, VK_RIGHT, 1); break;
+    case 5: focus_control(tree); break;
+    case 6: SendMessageW(tree, TVM_EXPAND, TVE_EXPAND, (LPARAM)root); break;
+    case 7: SendMessageW(tree, WM_KEYDOWN, VK_DOWN, 1); break;
+    case 8: focus_control(button); break;
+    case 9: focus_control(tree); break;
+    case 10: focus_control(combo); break;
+    case 11:
+      SendMessageW(combo, CB_SETCURSEL, 1, 0);
+      NotifyWinEvent(EVENT_OBJECT_VALUECHANGE, combo, OBJID_CLIENT, CHILDID_SELF);
+      break;
+    case 12: focus_control(edit); break;
+    case 13: focus_control(atlTabs); break;
+    case 14: SendMessageW(atlTabs, TCM_DELETEALLITEMS, 0, 0); break;
+    case 15: focus_control(tree); break;
+    case 16: SendMessageW(tree, TVM_DELETEITEM, 0, (LPARAM)TVI_ROOT); break;
+    default: DestroyWindow(window); break;
+    }
+    return 0;
+  }
+  if (message == WM_DESTROY) { PostQuitMessage(0); return 0; }
+  return DefWindowProcW(window, message, wp, lp);
+}
+
+int WINAPI WinMain(HINSTANCE instance, HINSTANCE previous, LPSTR args, int show) {
+  (void)previous; (void)args; (void)show;
+  INITCOMMONCONTROLSEX controls = {sizeof(controls), ICC_TAB_CLASSES | ICC_TREEVIEW_CLASSES};
+  InitCommonControlsEx(&controls);
+  WNDCLASSW cls = {0};
+  cls.hInstance = instance;
+  cls.lpszClassName = L"WineAccessControlsFixture";
+  cls.lpfnWndProc = window_proc;
+  RegisterClassW(&cls);
+  HWND window = CreateWindowW(cls.lpszClassName, L"Wine controls fixture", WS_OVERLAPPEDWINDOW,
+                               120, 120, 700, 440, NULL, NULL, instance, NULL);
+  WNDCLASSEXW tabClass = {0};
+  tabClass.cbSize = sizeof(tabClass);
+  if (!GetClassInfoExW(NULL, WC_TABCONTROLW, &tabClass)) return 1;
+  tabClass.hInstance = instance;
+  tabClass.lpszClassName = L"ATL:SysTabControl32";
+  if (!RegisterClassExW(&tabClass)) return 2;
+  tabs = CreateWindowW(WC_TABCONTROLW, L"", WS_CHILD | WS_VISIBLE | WS_TABSTOP,
+                         10, 10, 300, 80, window, NULL, instance, NULL);
+  atlTabs = CreateWindowW(tabClass.lpszClassName, L"", WS_CHILD | WS_VISIBLE | WS_TABSTOP,
+                            330, 10, 300, 80, window, NULL, instance, NULL);
+  TCITEMW tab = {0};
+  tab.mask = TCIF_TEXT;
+  tab.pszText = L"Albums & artists β";
+  SendMessageW(tabs, TCM_INSERTITEMW, 0, (LPARAM)&tab);
+  tab.pszText = L"Details";
+  SendMessageW(tabs, TCM_INSERTITEMW, 1, (LPARAM)&tab);
+  tab.pszText = L"Default Playlist";
+  SendMessageW(atlTabs, TCM_INSERTITEMW, 0, (LPARAM)&tab);
+  tab.pszText = L"Second Playlist";
+  SendMessageW(atlTabs, TCM_INSERTITEMW, 1, (LPARAM)&tab);
+  tree = CreateWindowW(WC_TREEVIEWW, L"Tree1", WS_CHILD | WS_VISIBLE | WS_TABSTOP,
+                         10, 110, 300, 170, window, NULL, instance, NULL);
+  TVINSERTSTRUCTW node = {0};
+  node.hParent = TVI_ROOT;
+  node.hInsertAfter = TVI_LAST;
+  node.item.mask = TVIF_TEXT;
+  node.item.pszText = L"All music";
+  root = (HTREEITEM)SendMessageW(tree, TVM_INSERTITEMW, 0, (LPARAM)&node);
+  node.hParent = root;
+  node.item.pszText = L"Artist & album β";
+  SendMessageW(tree, TVM_INSERTITEMW, 0, (LPARAM)&node);
+  SendMessageW(tree, TVM_SELECTITEM, TVGN_CARET, (LPARAM)root);
+  button = CreateWindowW(L"Button", L"Named native button", WS_CHILD | WS_VISIBLE | WS_TABSTOP,
+                           10, 310, 250, 30, window, NULL, instance, NULL);
+  combo = CreateWindowW(L"ComboBox", L"", WS_CHILD | WS_VISIBLE | WS_TABSTOP | CBS_DROPDOWNLIST,
+                          390, 110, 200, 150, window, NULL, instance, NULL);
+  SendMessageW(combo, CB_ADDSTRING, 0, (LPARAM)L"by artist");
+  SendMessageW(combo, CB_ADDSTRING, 0, (LPARAM)L"by year");
+  SendMessageW(combo, CB_SETCURSEL, 0, 0);
+  edit = CreateWindowW(L"Edit", L"search", WS_CHILD | WS_VISIBLE | WS_TABSTOP,
+                         390, 170, 200, 25, window, NULL, instance, NULL);
+  // Labels are deliberately created after their fields, like foobar2000.
+  CreateWindowW(L"Static", L"View:", WS_CHILD | WS_VISIBLE,
+                  330, 110, 50, 25, window, NULL, instance, NULL);
+  CreateWindowW(L"Static", L"Filter:", WS_CHILD | WS_VISIBLE,
+                  330, 170, 50, 25, window, NULL, instance, NULL);
+  ShowWindow(window, SW_SHOW);
+  SetForegroundWindow(window);
+  focus_control(tabs);
+  SetTimer(window, 1, 400, NULL);
+  MSG message;
+  while (GetMessageW(&message, NULL, 0, 0) > 0) {
+    TranslateMessage(&message); DispatchMessageW(&message);
+  }
+  return 0;
+}