mirror of
https://github.com/reactos/reactos.git
synced 2024-08-22 03:12:51 +00:00
647 lines
18 KiB
C
647 lines
18 KiB
C
/*
|
|
* Implementation of the OLEACC dll
|
|
*
|
|
* Copyright 2003 Mike McCormack for CodeWeavers
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#define COBJMACROS
|
|
|
|
#include <stdarg.h>
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "ole2.h"
|
|
#include "commctrl.h"
|
|
#include "rpcproxy.h"
|
|
|
|
#ifdef __REACTOS__
|
|
#include <wchar.h>
|
|
#include <winnls.h>
|
|
#endif
|
|
|
|
#include "initguid.h"
|
|
#include "oleacc_private.h"
|
|
#include "resource.h"
|
|
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(oleacc);
|
|
|
|
static const WCHAR lresult_atom_prefix[] = {'w','i','n','e','_','o','l','e','a','c','c',':'};
|
|
|
|
static const WCHAR menuW[] = {'#','3','2','7','6','8',0};
|
|
static const WCHAR desktopW[] = {'#','3','2','7','6','9',0};
|
|
static const WCHAR dialogW[] = {'#','3','2','7','7','0',0};
|
|
static const WCHAR winswitchW[] = {'#','3','2','7','7','1',0};
|
|
static const WCHAR mdi_clientW[] = {'M','D','I','C','l','i','e','n','t',0};
|
|
static const WCHAR richeditW[] = {'R','I','C','H','E','D','I','T',0};
|
|
static const WCHAR richedit20aW[] = {'R','i','c','h','E','d','i','t','2','0','A',0};
|
|
static const WCHAR richedit20wW[] = {'R','i','c','h','E','d','i','t','2','0','W',0};
|
|
|
|
typedef HRESULT (WINAPI *accessible_create)(HWND, const IID*, void**);
|
|
|
|
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;
|
|
extern HRESULT WINAPI OLEACC_DllUnregisterServer(void) DECLSPEC_HIDDEN;
|
|
|
|
static struct {
|
|
const WCHAR *name;
|
|
DWORD idx;
|
|
accessible_create create_client;
|
|
accessible_create create_window;
|
|
} builtin_classes[] = {
|
|
{WC_LISTBOXW, 0x10000, NULL, NULL},
|
|
{menuW, 0x10001, NULL, NULL},
|
|
{WC_BUTTONW, 0x10002, NULL, NULL},
|
|
{WC_STATICW, 0x10003, NULL, NULL},
|
|
{WC_EDITW, 0x10004, NULL, NULL},
|
|
{WC_COMBOBOXW, 0x10005, NULL, NULL},
|
|
{dialogW, 0x10006, NULL, NULL},
|
|
{winswitchW, 0x10007, NULL, NULL},
|
|
{mdi_clientW, 0x10008, NULL, NULL},
|
|
{desktopW, 0x10009, NULL, NULL},
|
|
{WC_SCROLLBARW, 0x1000a, NULL, NULL},
|
|
{STATUSCLASSNAMEW, 0x1000b, NULL, NULL},
|
|
{TOOLBARCLASSNAMEW, 0x1000c, NULL, NULL},
|
|
{PROGRESS_CLASSW, 0x1000d, NULL, NULL},
|
|
{ANIMATE_CLASSW, 0x1000e, NULL, NULL},
|
|
{WC_TABCONTROLW, 0x1000f, NULL, NULL},
|
|
{HOTKEY_CLASSW, 0x10010, NULL, NULL},
|
|
{WC_HEADERW, 0x10011, NULL, NULL},
|
|
{TRACKBAR_CLASSW, 0x10012, NULL, NULL},
|
|
{WC_LISTVIEWW, 0x10013, NULL, NULL},
|
|
{UPDOWN_CLASSW, 0x10016, NULL, NULL},
|
|
{TOOLTIPS_CLASSW, 0x10018, NULL, NULL},
|
|
{WC_TREEVIEWW, 0x10019, NULL, NULL},
|
|
{MONTHCAL_CLASSW, 0, NULL, NULL},
|
|
{DATETIMEPICK_CLASSW, 0, NULL, NULL},
|
|
{WC_IPADDRESSW, 0, NULL, NULL},
|
|
{richeditW, 0x1001c, NULL, NULL},
|
|
{richedit20aW, 0, NULL, NULL},
|
|
{richedit20wW, 0, NULL, NULL},
|
|
};
|
|
|
|
static HINSTANCE oleacc_handle = 0;
|
|
|
|
int convert_child_id(VARIANT *v)
|
|
{
|
|
switch(V_VT(v)) {
|
|
case VT_I4:
|
|
return V_I4(v);
|
|
default:
|
|
FIXME("unhandled child ID variant type: %d\n", V_VT(v));
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
static accessible_create get_builtin_accessible_obj(HWND hwnd, LONG objid)
|
|
{
|
|
WCHAR class_name[64];
|
|
int i, idx;
|
|
|
|
if(!RealGetWindowClassW(hwnd, class_name, ARRAY_SIZE(class_name)))
|
|
return NULL;
|
|
TRACE("got window class: %s\n", debugstr_w(class_name));
|
|
|
|
for(i=0; i<ARRAY_SIZE(builtin_classes); i++) {
|
|
if(!wcsicmp(class_name, builtin_classes[i].name)) {
|
|
accessible_create ret;
|
|
|
|
ret = (objid==OBJID_CLIENT ?
|
|
builtin_classes[i].create_client :
|
|
builtin_classes[i].create_window);
|
|
if(!ret)
|
|
FIXME("unhandled window class: %s\n", debugstr_w(class_name));
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
idx = SendMessageW(hwnd, WM_GETOBJECT, 0, OBJID_QUERYCLASSNAMEIDX);
|
|
if(idx) {
|
|
for(i=0; i<ARRAY_SIZE(builtin_classes); i++) {
|
|
if(idx == builtin_classes[i].idx) {
|
|
accessible_create ret;
|
|
|
|
ret = (objid==OBJID_CLIENT ?
|
|
builtin_classes[i].create_client :
|
|
builtin_classes[i].create_window);
|
|
if(!ret)
|
|
FIXME("unhandled class name idx: %x\n", idx);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
WARN("unhandled class name idx: %x\n", idx);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
HRESULT WINAPI CreateStdAccessibleObject( HWND hwnd, LONG idObject,
|
|
REFIID riidInterface, void** ppvObject )
|
|
{
|
|
accessible_create create;
|
|
|
|
TRACE("%p %d %s %p\n", hwnd, idObject,
|
|
debugstr_guid( riidInterface ), ppvObject );
|
|
|
|
switch(idObject) {
|
|
case OBJID_CLIENT:
|
|
create = get_builtin_accessible_obj(hwnd, idObject);
|
|
if(create) return create(hwnd, riidInterface, ppvObject);
|
|
return create_client_object(hwnd, riidInterface, ppvObject);
|
|
case OBJID_WINDOW:
|
|
create = get_builtin_accessible_obj(hwnd, idObject);
|
|
if(create) return create(hwnd, riidInterface, ppvObject);
|
|
return create_window_object(hwnd, riidInterface, ppvObject);
|
|
default:
|
|
FIXME("unhandled object id: %d\n", idObject);
|
|
return E_NOTIMPL;
|
|
}
|
|
}
|
|
|
|
HRESULT WINAPI ObjectFromLresult( LRESULT result, REFIID riid, WPARAM wParam, void **ppObject )
|
|
{
|
|
WCHAR atom_str[ARRAY_SIZE(lresult_atom_prefix)+3*8+3];
|
|
HANDLE server_proc, server_mapping, mapping;
|
|
DWORD proc_id, size;
|
|
IStream *stream;
|
|
HGLOBAL data;
|
|
void *view;
|
|
HRESULT hr;
|
|
WCHAR *p;
|
|
|
|
TRACE("%ld %s %ld %p\n", result, debugstr_guid(riid), wParam, ppObject );
|
|
|
|
if(wParam)
|
|
FIXME("unsupported wParam = %lx\n", wParam);
|
|
|
|
if(!ppObject)
|
|
return E_INVALIDARG;
|
|
*ppObject = NULL;
|
|
|
|
if(result != (ATOM)result)
|
|
return E_FAIL;
|
|
|
|
if(!GlobalGetAtomNameW(result, atom_str, ARRAY_SIZE(atom_str)))
|
|
return E_FAIL;
|
|
if(memcmp(atom_str, lresult_atom_prefix, sizeof(lresult_atom_prefix)))
|
|
return E_FAIL;
|
|
p = atom_str + ARRAY_SIZE(lresult_atom_prefix);
|
|
proc_id = wcstoul(p, &p, 16);
|
|
if(*p != ':')
|
|
return E_FAIL;
|
|
server_mapping = ULongToHandle( wcstoul(p+1, &p, 16) );
|
|
if(*p != ':')
|
|
return E_FAIL;
|
|
size = wcstoul(p+1, &p, 16);
|
|
if(*p != 0)
|
|
return E_FAIL;
|
|
|
|
server_proc = OpenProcess(PROCESS_DUP_HANDLE, FALSE, proc_id);
|
|
if(!server_proc)
|
|
return E_FAIL;
|
|
|
|
if(!DuplicateHandle(server_proc, server_mapping, GetCurrentProcess(), &mapping,
|
|
0, FALSE, DUPLICATE_CLOSE_SOURCE|DUPLICATE_SAME_ACCESS))
|
|
return E_FAIL;
|
|
CloseHandle(server_proc);
|
|
GlobalDeleteAtom(result);
|
|
|
|
view = MapViewOfFile(mapping, FILE_MAP_READ, 0, 0, 0);
|
|
CloseHandle(mapping);
|
|
if(!view)
|
|
return E_FAIL;
|
|
|
|
data = GlobalAlloc(GMEM_FIXED, size);
|
|
if(!data) {
|
|
UnmapViewOfFile(view);
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
memcpy(data, view, size);
|
|
UnmapViewOfFile(view);
|
|
|
|
hr = CreateStreamOnHGlobal(data, TRUE, &stream);
|
|
if(FAILED(hr)) {
|
|
GlobalFree(data);
|
|
return hr;
|
|
}
|
|
|
|
hr = CoUnmarshalInterface(stream, riid, ppObject);
|
|
IStream_Release(stream);
|
|
return hr;
|
|
}
|
|
|
|
LRESULT WINAPI LresultFromObject( REFIID riid, WPARAM wParam, LPUNKNOWN pAcc )
|
|
{
|
|
static const WCHAR atom_fmt[] = {'%','0','8','x',':','%','0','8','x',':','%','0','8','x',0};
|
|
static const LARGE_INTEGER seek_zero = {{0}};
|
|
|
|
WCHAR atom_str[ARRAY_SIZE(lresult_atom_prefix)+3*8+3];
|
|
IStream *stream;
|
|
HANDLE mapping;
|
|
STATSTG stat;
|
|
HRESULT hr;
|
|
ATOM atom;
|
|
void *view;
|
|
|
|
TRACE("%s %ld %p\n", debugstr_guid(riid), wParam, pAcc);
|
|
|
|
if(wParam)
|
|
FIXME("unsupported wParam = %lx\n", wParam);
|
|
|
|
if(!pAcc)
|
|
return E_INVALIDARG;
|
|
|
|
hr = CreateStreamOnHGlobal(NULL, TRUE, &stream);
|
|
if(FAILED(hr))
|
|
return hr;
|
|
|
|
hr = CoMarshalInterface(stream, riid, pAcc, MSHCTX_LOCAL, NULL, MSHLFLAGS_NORMAL);
|
|
if(FAILED(hr)) {
|
|
IStream_Release(stream);
|
|
return hr;
|
|
}
|
|
|
|
hr = IStream_Seek(stream, seek_zero, STREAM_SEEK_SET, NULL);
|
|
if(FAILED(hr)) {
|
|
IStream_Release(stream);
|
|
return hr;
|
|
}
|
|
|
|
hr = IStream_Stat(stream, &stat, STATFLAG_NONAME);
|
|
if(FAILED(hr)) {
|
|
CoReleaseMarshalData(stream);
|
|
IStream_Release(stream);
|
|
return hr;
|
|
}else if(stat.cbSize.u.HighPart) {
|
|
FIXME("stream size to big\n");
|
|
CoReleaseMarshalData(stream);
|
|
IStream_Release(stream);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
mapping = CreateFileMappingW(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
|
|
stat.cbSize.u.HighPart, stat.cbSize.u.LowPart, NULL);
|
|
if(!mapping) {
|
|
CoReleaseMarshalData(stream);
|
|
IStream_Release(stream);
|
|
return hr;
|
|
}
|
|
|
|
view = MapViewOfFile(mapping, FILE_MAP_WRITE, 0, 0, 0);
|
|
if(!view) {
|
|
CloseHandle(mapping);
|
|
CoReleaseMarshalData(stream);
|
|
IStream_Release(stream);
|
|
return E_FAIL;
|
|
}
|
|
|
|
hr = IStream_Read(stream, view, stat.cbSize.u.LowPart, NULL);
|
|
UnmapViewOfFile(view);
|
|
if(FAILED(hr)) {
|
|
CloseHandle(mapping);
|
|
hr = IStream_Seek(stream, seek_zero, STREAM_SEEK_SET, NULL);
|
|
if(SUCCEEDED(hr))
|
|
CoReleaseMarshalData(stream);
|
|
IStream_Release(stream);
|
|
return hr;
|
|
|
|
}
|
|
|
|
memcpy(atom_str, lresult_atom_prefix, sizeof(lresult_atom_prefix));
|
|
swprintf(atom_str+ARRAY_SIZE(lresult_atom_prefix), atom_fmt, GetCurrentProcessId(),
|
|
HandleToUlong(mapping), stat.cbSize.u.LowPart);
|
|
atom = GlobalAddAtomW(atom_str);
|
|
if(!atom) {
|
|
CloseHandle(mapping);
|
|
hr = IStream_Seek(stream, seek_zero, STREAM_SEEK_SET, NULL);
|
|
if(SUCCEEDED(hr))
|
|
CoReleaseMarshalData(stream);
|
|
IStream_Release(stream);
|
|
return E_FAIL;
|
|
}
|
|
|
|
IStream_Release(stream);
|
|
return atom;
|
|
}
|
|
|
|
HRESULT WINAPI AccessibleObjectFromPoint( POINT ptScreen, IAccessible** ppacc, VARIANT* pvarChild )
|
|
{
|
|
FIXME("{%d,%d} %p %p: stub\n", ptScreen.x, ptScreen.y, ppacc, pvarChild );
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
HRESULT WINAPI AccessibleObjectFromWindow( HWND hwnd, DWORD dwObjectID,
|
|
REFIID riid, void** ppvObject )
|
|
{
|
|
TRACE("%p %d %s %p\n", hwnd, dwObjectID,
|
|
debugstr_guid( riid ), ppvObject );
|
|
|
|
if(!ppvObject)
|
|
return E_INVALIDARG;
|
|
*ppvObject = NULL;
|
|
|
|
if(IsWindow(hwnd)) {
|
|
LRESULT lres;
|
|
|
|
lres = SendMessageW(hwnd, WM_GETOBJECT, 0xffffffff, dwObjectID);
|
|
if(FAILED(lres))
|
|
return lres;
|
|
else if(lres)
|
|
return ObjectFromLresult(lres, riid, 0, ppvObject);
|
|
}
|
|
|
|
return CreateStdAccessibleObject(hwnd, dwObjectID, riid, ppvObject);
|
|
}
|
|
|
|
HRESULT WINAPI WindowFromAccessibleObject(IAccessible *acc, HWND *phwnd)
|
|
{
|
|
IDispatch *parent;
|
|
IOleWindow *ow;
|
|
HRESULT hres;
|
|
|
|
TRACE("%p %p\n", acc, phwnd);
|
|
|
|
IAccessible_AddRef(acc);
|
|
while(1) {
|
|
hres = IAccessible_QueryInterface(acc, &IID_IOleWindow, (void**)&ow);
|
|
if(SUCCEEDED(hres)) {
|
|
hres = IOleWindow_GetWindow(ow, phwnd);
|
|
IOleWindow_Release(ow);
|
|
IAccessible_Release(acc);
|
|
return hres;
|
|
}
|
|
|
|
hres = IAccessible_get_accParent(acc, &parent);
|
|
IAccessible_Release(acc);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
if(hres!=S_OK || !parent) {
|
|
*phwnd = NULL;
|
|
return hres;
|
|
}
|
|
|
|
hres = IDispatch_QueryInterface(parent, &IID_IAccessible, (void**)&acc);
|
|
IDispatch_Release(parent);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
}
|
|
}
|
|
|
|
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
|
|
LPVOID lpvReserved)
|
|
{
|
|
TRACE("%p, %d, %p\n", hinstDLL, fdwReason, lpvReserved);
|
|
|
|
switch (fdwReason)
|
|
{
|
|
case DLL_PROCESS_ATTACH:
|
|
oleacc_handle = hinstDLL;
|
|
DisableThreadLibraryCalls(hinstDLL);
|
|
break;
|
|
}
|
|
|
|
return OLEACC_DllMain(hinstDLL, fdwReason, lpvReserved);
|
|
}
|
|
|
|
HRESULT WINAPI DllRegisterServer(void)
|
|
{
|
|
return OLEACC_DllRegisterServer();
|
|
}
|
|
|
|
HRESULT WINAPI DllUnregisterServer(void)
|
|
{
|
|
return OLEACC_DllUnregisterServer();
|
|
}
|
|
|
|
HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID iid, void **ppv)
|
|
{
|
|
if(IsEqualGUID(&CLSID_CAccPropServices, rclsid)) {
|
|
TRACE("(CLSID_CAccPropServices %s %p)\n", debugstr_guid(iid), ppv);
|
|
return get_accpropservices_factory(iid, ppv);
|
|
}
|
|
|
|
if(IsEqualGUID(&CLSID_PSFactoryBuffer, rclsid)) {
|
|
TRACE("(CLSID_PSFactoryBuffer %s %p)\n", debugstr_guid(iid), ppv);
|
|
return OLEACC_DllGetClassObject(rclsid, iid, ppv);
|
|
}
|
|
|
|
FIXME("%s %s %p: stub\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
void WINAPI GetOleaccVersionInfo(DWORD* pVersion, DWORD* pBuild)
|
|
{
|
|
#ifdef __REACTOS__
|
|
*pVersion = MAKELONG(2,4); /* Windows XP version of oleacc: 4.2.5406.0 */
|
|
*pBuild = MAKELONG(0,5406);
|
|
#else
|
|
*pVersion = MAKELONG(0,7); /* Windows 7 version of oleacc: 7.0.0.0 */
|
|
*pBuild = MAKELONG(0,0);
|
|
#endif
|
|
}
|
|
|
|
HANDLE WINAPI GetProcessHandleFromHwnd(HWND hwnd)
|
|
{
|
|
DWORD proc_id;
|
|
|
|
TRACE("%p\n", hwnd);
|
|
|
|
if(!GetWindowThreadProcessId(hwnd, &proc_id))
|
|
return NULL;
|
|
return OpenProcess(PROCESS_DUP_HANDLE | PROCESS_VM_OPERATION |
|
|
PROCESS_VM_READ | PROCESS_VM_WRITE | SYNCHRONIZE, TRUE, proc_id);
|
|
}
|
|
|
|
UINT WINAPI GetRoleTextW(DWORD role, LPWSTR lpRole, UINT rolemax)
|
|
{
|
|
INT ret;
|
|
WCHAR *resptr;
|
|
|
|
TRACE("%u %p %u\n", role, lpRole, rolemax);
|
|
|
|
/* return role text length */
|
|
if(!lpRole)
|
|
return LoadStringW(oleacc_handle, role, (LPWSTR)&resptr, 0);
|
|
|
|
ret = LoadStringW(oleacc_handle, role, lpRole, rolemax);
|
|
if(!(ret > 0)){
|
|
if(rolemax > 0) lpRole[0] = '\0';
|
|
return 0;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
UINT WINAPI GetRoleTextA(DWORD role, LPSTR lpRole, UINT rolemax)
|
|
{
|
|
UINT length;
|
|
WCHAR *roletextW;
|
|
|
|
TRACE("%u %p %u\n", role, lpRole, rolemax);
|
|
|
|
if(lpRole && !rolemax)
|
|
return 0;
|
|
|
|
length = GetRoleTextW(role, NULL, 0);
|
|
if(!length) {
|
|
if(lpRole && rolemax)
|
|
lpRole[0] = 0;
|
|
return 0;
|
|
}
|
|
|
|
roletextW = HeapAlloc(GetProcessHeap(), 0, (length + 1)*sizeof(WCHAR));
|
|
if(!roletextW)
|
|
return 0;
|
|
|
|
GetRoleTextW(role, roletextW, length + 1);
|
|
|
|
length = WideCharToMultiByte( CP_ACP, 0, roletextW, -1, NULL, 0, NULL, NULL );
|
|
|
|
if(!lpRole){
|
|
HeapFree(GetProcessHeap(), 0, roletextW);
|
|
return length - 1;
|
|
}
|
|
|
|
if(rolemax < length) {
|
|
HeapFree(GetProcessHeap(), 0, roletextW);
|
|
lpRole[0] = 0;
|
|
return 0;
|
|
}
|
|
|
|
WideCharToMultiByte( CP_ACP, 0, roletextW, -1, lpRole, rolemax, NULL, NULL );
|
|
|
|
if(rolemax < length){
|
|
lpRole[rolemax-1] = '\0';
|
|
length = rolemax;
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, roletextW);
|
|
|
|
return length - 1;
|
|
}
|
|
|
|
UINT WINAPI GetStateTextW(DWORD state_bit, WCHAR *state_str, UINT state_str_len)
|
|
{
|
|
DWORD state_id;
|
|
|
|
TRACE("%x %p %u\n", state_bit, state_str, state_str_len);
|
|
|
|
if(state_bit & ~(STATE_SYSTEM_VALID | STATE_SYSTEM_HASPOPUP)) {
|
|
if(state_str && state_str_len)
|
|
state_str[0] = 0;
|
|
return 0;
|
|
}
|
|
|
|
state_id = IDS_STATE_NORMAL;
|
|
while(state_bit) {
|
|
state_id++;
|
|
state_bit /= 2;
|
|
}
|
|
|
|
if(state_str) {
|
|
UINT ret = LoadStringW(oleacc_handle, state_id, state_str, state_str_len);
|
|
if(!ret && state_str_len)
|
|
state_str[0] = 0;
|
|
return ret;
|
|
}else {
|
|
WCHAR *tmp;
|
|
return LoadStringW(oleacc_handle, state_id, (WCHAR*)&tmp, 0);
|
|
}
|
|
|
|
}
|
|
|
|
UINT WINAPI GetStateTextA(DWORD state_bit, CHAR *state_str, UINT state_str_len)
|
|
{
|
|
DWORD state_id;
|
|
|
|
TRACE("%x %p %u\n", state_bit, state_str, state_str_len);
|
|
|
|
if(state_str && !state_str_len)
|
|
return 0;
|
|
|
|
if(state_bit & ~(STATE_SYSTEM_VALID | STATE_SYSTEM_HASPOPUP)) {
|
|
if(state_str && state_str_len)
|
|
state_str[0] = 0;
|
|
return 0;
|
|
}
|
|
|
|
state_id = IDS_STATE_NORMAL;
|
|
while(state_bit) {
|
|
state_id++;
|
|
state_bit /= 2;
|
|
}
|
|
|
|
if(state_str) {
|
|
UINT ret = LoadStringA(oleacc_handle, state_id, state_str, state_str_len);
|
|
if(!ret && state_str_len)
|
|
state_str[0] = 0;
|
|
return ret;
|
|
}else {
|
|
CHAR tmp[256];
|
|
return LoadStringA(oleacc_handle, state_id, tmp, sizeof(tmp));
|
|
}
|
|
}
|
|
|
|
HRESULT WINAPI AccessibleChildren(IAccessible *container,
|
|
LONG start, LONG count, VARIANT *children, LONG *children_cnt)
|
|
{
|
|
IEnumVARIANT *ev;
|
|
LONG i, child_no;
|
|
HRESULT hr;
|
|
|
|
TRACE("%p %d %d %p %p\n", container, start, count, children, children_cnt);
|
|
|
|
if(!container || !children || !children_cnt)
|
|
return E_INVALIDARG;
|
|
|
|
for(i=0; i<count; i++)
|
|
VariantInit(children+i);
|
|
|
|
hr = IAccessible_QueryInterface(container, &IID_IEnumVARIANT, (void**)&ev);
|
|
if(SUCCEEDED(hr)) {
|
|
hr = IEnumVARIANT_Reset(ev);
|
|
if(SUCCEEDED(hr))
|
|
hr = IEnumVARIANT_Skip(ev, start);
|
|
if(SUCCEEDED(hr))
|
|
hr = IEnumVARIANT_Next(ev, count, children, (ULONG*)children_cnt);
|
|
IEnumVARIANT_Release(ev);
|
|
return hr;
|
|
}
|
|
|
|
hr = IAccessible_get_accChildCount(container, &child_no);
|
|
if(FAILED(hr))
|
|
return hr;
|
|
|
|
for(i=0; i<count && start+i+1<=child_no; i++) {
|
|
IDispatch *disp;
|
|
|
|
V_VT(children+i) = VT_I4;
|
|
V_I4(children+i) = start+i+1;
|
|
|
|
hr = IAccessible_get_accChild(container, children[i], &disp);
|
|
if(SUCCEEDED(hr) && disp) {
|
|
V_VT(children+i) = VT_DISPATCH;
|
|
V_DISPATCH(children+i) = disp;
|
|
}
|
|
}
|
|
|
|
*children_cnt = i;
|
|
return i==count ? S_OK : S_FALSE;
|
|
}
|