Module: wine Branch: master Commit: 92fe1c3cf02148050cf375283087812498cf776a URL: https://source.winehq.org/git/wine.git/?a=commit;h=92fe1c3cf02148050cf375283...
Author: Connor McAdams cmcadams@codeweavers.com Date: Tue May 17 14:38:35 2022 +0200
oleacc: Add support for retrieving an HWND from accNavigate to WindowFromAccessibleObject.
Signed-off-by: Connor McAdams cmcadams@codeweavers.com Signed-off-by: Piotr Caban piotr@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/oleacc/main.c | 53 ++++++++++++++++--- dlls/oleacc/tests/main.c | 129 ++++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 173 insertions(+), 9 deletions(-)
diff --git a/dlls/oleacc/main.c b/dlls/oleacc/main.c index dced84be7b5..062884f9bf4 100644 --- a/dlls/oleacc/main.c +++ b/dlls/oleacc/main.c @@ -30,6 +30,9 @@ WINE_DEFAULT_DEBUG_CHANNEL(oleacc);
static const WCHAR lresult_atom_prefix[] = {'w','i','n','e','_','o','l','e','a','c','c',':'};
+#define NAVDIR_INTERNAL_HWND 10 +DEFINE_GUID(SID_AccFromDAWrapper, 0x33f139ee, 0xe509, 0x47f7, 0xbf,0x39, 0x83,0x76,0x44,0xf7,0x45,0x76); + extern HRESULT WINAPI OLEACC_DllGetClassObject(REFCLSID, REFIID, void**) DECLSPEC_HIDDEN; extern BOOL WINAPI OLEACC_DllMain(HINSTANCE, DWORD, void*) DECLSPEC_HIDDEN; extern HRESULT WINAPI OLEACC_DllRegisterServer(void) DECLSPEC_HIDDEN; @@ -400,35 +403,71 @@ HRESULT WINAPI AccessibleObjectFromWindow( HWND hwnd, DWORD dwObjectID,
HRESULT WINAPI WindowFromAccessibleObject(IAccessible *acc, HWND *phwnd) { + IServiceProvider *sp; + IAccessible *acc2; IDispatch *parent; IOleWindow *ow; + VARIANT v, cid; HRESULT hres;
TRACE("%p %p\n", acc, phwnd);
- IAccessible_AddRef(acc); + hres = IAccessible_QueryInterface(acc, &IID_IOleWindow, (void**)&ow); + if(SUCCEEDED(hres)) { + hres = IOleWindow_GetWindow(ow, phwnd); + IOleWindow_Release(ow); + if(SUCCEEDED(hres) && *phwnd) + return S_OK; + } + + VariantInit(&v); + variant_init_i4(&cid, CHILDID_SELF); + hres = IAccessible_accNavigate(acc, NAVDIR_INTERNAL_HWND, cid, &v); + if(SUCCEEDED(hres)) { + if(hres == S_OK && V_VT(&v) == VT_I4 && V_I4(&v)) { + *phwnd = LongToHandle(V_I4(&v)); + return S_OK; + } + /* native leaks v here */ + VariantClear(&v); + } + + hres = IAccessible_QueryInterface(acc, &IID_IServiceProvider, (void**)&sp); + if(SUCCEEDED(hres)) { + hres = IServiceProvider_QueryService(sp, &SID_AccFromDAWrapper, + &IID_IAccessible, (void**)&acc2); + IServiceProvider_Release(sp); + } + if(FAILED(hres)) { + acc2 = acc; + IAccessible_AddRef(acc2); + } + while(1) { - hres = IAccessible_QueryInterface(acc, &IID_IOleWindow, (void**)&ow); + hres = IAccessible_QueryInterface(acc2, &IID_IOleWindow, (void**)&ow); if(SUCCEEDED(hres)) { hres = IOleWindow_GetWindow(ow, phwnd); IOleWindow_Release(ow); - IAccessible_Release(acc); - return hres; + if(SUCCEEDED(hres)) { + IAccessible_Release(acc2); + return hres; + } }
hres = IAccessible_get_accParent(acc, &parent); - IAccessible_Release(acc); + IAccessible_Release(acc2); if(FAILED(hres)) return hres; - if(hres!=S_OK || !parent) { + if(!parent) { *phwnd = NULL; return hres; }
- hres = IDispatch_QueryInterface(parent, &IID_IAccessible, (void**)&acc); + hres = IDispatch_QueryInterface(parent, &IID_IAccessible, (void**)&acc2); IDispatch_Release(parent); if(FAILED(hres)) return hres; + acc = acc2; } }
diff --git a/dlls/oleacc/tests/main.c b/dlls/oleacc/tests/main.c index 780919c2ab5..a0ab3eb2fb0 100644 --- a/dlls/oleacc/tests/main.c +++ b/dlls/oleacc/tests/main.c @@ -59,9 +59,12 @@ DEFINE_EXPECT(Accessible_get_accChildCount); DEFINE_EXPECT(Accessible_get_accChild); DEFINE_EXPECT(Accessible_get_accName); DEFINE_EXPECT(Accessible_get_accParent); +DEFINE_EXPECT(Accessible_accNavigate); DEFINE_EXPECT(Accessible_child_get_accName); DEFINE_EXPECT(Accessible_child_get_accParent); +DEFINE_EXPECT(Accessible_child_accNavigate);
+#define NAVDIR_INTERNAL_HWND 10 DEFINE_GUID(SID_AccFromDAWrapper, 0x33f139ee, 0xe509, 0x47f7, 0xbf,0x39, 0x83,0x76,0x44,0xf7,0x45,0x76);
static HANDLE (WINAPI *pGetProcessHandleFromHwnd)(HWND); @@ -93,7 +96,11 @@ static BOOL iface_cmp(IUnknown *iface1, IUnknown *iface2) return unk1 == unk2; }
+static IAccessible Accessible; static IAccessible Accessible_child; +static IOleWindow OleWindow; +static HWND Accessible_hwnd; +static HWND OleWindow_hwnd;
static HRESULT WINAPI Accessible_QueryInterface( IAccessible *iface, REFIID riid, void **ppvObject) @@ -106,6 +113,12 @@ static HRESULT WINAPI Accessible_QueryInterface( return S_OK; }
+ if(IsEqualIID(riid, &IID_IOleWindow) && (iface == &Accessible)) { + *ppvObject = &OleWindow; + IOleWindow_AddRef(&OleWindow); + return S_OK; + } + if(IsEqualIID(riid, &IID_IEnumVARIANT)) { CHECK_EXPECT(Accessible_QI_IEnumVARIANT); return E_NOINTERFACE; @@ -157,11 +170,16 @@ static HRESULT WINAPI Accessible_get_accParent( IAccessible *iface, IDispatch **ppdispParent) { if(iface == &Accessible_child) + { CHECK_EXPECT(Accessible_child_get_accParent); + return IAccessible_QueryInterface(&Accessible, &IID_IDispatch, + (void **)ppdispParent); + } else CHECK_EXPECT(Accessible_get_accParent);
- return E_NOTIMPL; + *ppdispParent = NULL; + return S_FALSE; }
static HRESULT WINAPI Accessible_get_accChildCount( @@ -297,7 +315,21 @@ static HRESULT WINAPI Accessible_accLocation(IAccessible *iface, LONG *pxLeft, static HRESULT WINAPI Accessible_accNavigate(IAccessible *iface, LONG navDir, VARIANT varStart, VARIANT *pvarEnd) { - ok(0, "unexpected call\n"); + if(iface == &Accessible_child) + CHECK_EXPECT(Accessible_child_accNavigate); + else + CHECK_EXPECT(Accessible_accNavigate); + + /* + * Magic number value for retrieving an HWND. Used by DynamicAnnotation + * IAccessible wrapper. + */ + if(navDir == NAVDIR_INTERNAL_HWND && Accessible_hwnd) { + V_VT(pvarEnd) = VT_I4; + V_I4(pvarEnd) = HandleToULong(Accessible_hwnd); + return Accessible_hwnd ? S_OK : S_FALSE; + } + return E_NOTIMPL; }
@@ -360,8 +392,47 @@ static IAccessibleVtbl AccessibleVtbl = { Accessible_put_accValue };
+static HRESULT WINAPI OleWindow_QueryInterface(IOleWindow *iface, REFIID riid, void **obj) +{ + return IAccessible_QueryInterface(&Accessible, riid, obj); +} + +static ULONG WINAPI OleWindow_AddRef(IOleWindow *iface) +{ + return IAccessible_AddRef(&Accessible); +} + +static ULONG WINAPI OleWindow_Release(IOleWindow *iface) +{ + return IAccessible_Release(&Accessible); +} + +static HRESULT WINAPI OleWindow_GetWindow(IOleWindow *iface, HWND *hwnd) +{ + if(OleWindow_hwnd) { + *hwnd = OleWindow_hwnd; + return S_OK; + } + return E_FAIL; +} + +static HRESULT WINAPI OleWindow_ContextSensitiveHelp(IOleWindow *iface, BOOL f_enter_mode) +{ + ok(0, "unexpected call\n"); + return E_NOTIMPL; +} + +static const IOleWindowVtbl OleWindowVtbl = { + OleWindow_QueryInterface, + OleWindow_AddRef, + OleWindow_Release, + OleWindow_GetWindow, + OleWindow_ContextSensitiveHelp +}; + static IAccessible Accessible = {&AccessibleVtbl}; static IAccessible Accessible_child = {&AccessibleVtbl}; +static IOleWindow OleWindow = {&OleWindowVtbl};
static void test_getroletext(void) { @@ -1844,6 +1915,59 @@ static void test_default_edit_accessible_object(void) DestroyWindow(hwnd); }
+static void test_WindowFromAccessibleObject(void) +{ + HRESULT hr; + HWND hwnd; + + /* Successfully retrieve an HWND from the IOleWindow interface. */ + Accessible_hwnd = NULL; + OleWindow_hwnd = (HWND)0xdeadf00d; + hwnd = (HWND)0xdeadbeef; + hr = WindowFromAccessibleObject(&Accessible, &hwnd); + ok(hr == S_OK, "got %lx\n", hr); + ok(hwnd == (HWND)0xdeadf00d, "hwnd != 0xdeadf00d!\n"); + + /* Successfully retrieve an HWND from IAccessible::accNavigate. */ + Accessible_hwnd = (HWND)0xdeadf00d; + OleWindow_hwnd = NULL; + hwnd = (HWND)0xdeadbeef; + SET_EXPECT(Accessible_accNavigate); + hr = WindowFromAccessibleObject(&Accessible, &hwnd); + ok(hr == S_OK, "got %lx\n", hr); + /* This value gets sign-extended on 64-bit. */ + ok(hwnd == IntToPtr(0xdeadf00d), "hwnd != 0xdeadf00d!\n"); + CHECK_CALLED(Accessible_accNavigate); + + /* Don't return an HWND from either method. */ + Accessible_hwnd = NULL; + OleWindow_hwnd = NULL; + hwnd = (HWND)0xdeadbeef; + SET_EXPECT(Accessible_accNavigate); + SET_EXPECT(Accessible_get_accParent); + hr = WindowFromAccessibleObject(&Accessible, &hwnd); + /* Return value from IAccessible::get_accParent. */ + ok(hr == S_FALSE, "got %lx\n", hr); + ok(!hwnd, "hwnd %p\n", hwnd); + CHECK_CALLED(Accessible_accNavigate); + CHECK_CALLED(Accessible_get_accParent); + + /* Successfully retrieve an HWND from a parent IAccessible's IOleWindow interface. */ + Accessible_hwnd = NULL; + OleWindow_hwnd = (HWND)0xdeadf00d; + hwnd = (HWND)0xdeadbeef; + SET_EXPECT(Accessible_child_accNavigate); + SET_EXPECT(Accessible_child_get_accParent); + hr = WindowFromAccessibleObject(&Accessible_child, &hwnd); + ok(hr == S_OK, "got %lx\n", hr); + ok(hwnd == (HWND)0xdeadf00d, "hwnd != 0xdeadf00d!\n"); + CHECK_CALLED(Accessible_child_accNavigate); + CHECK_CALLED(Accessible_child_get_accParent); + + Accessible_hwnd = NULL; + OleWindow_hwnd = NULL; +} + START_TEST(main) { int argc; @@ -1885,6 +2009,7 @@ START_TEST(main) test_AccessibleObjectFromPoint(); test_CreateStdAccessibleObject_classes(); test_default_edit_accessible_object(); + test_WindowFromAccessibleObject();
unregister_window_class(); CoUninitialize();