winebrowser: Add support for XTYP_REQUEST in DDE callback.

This commit is contained in:
Misha Koshelev 2007-08-12 20:08:01 -05:00 committed by Alexandre Julliard
parent 308da6313e
commit 70edf2d223
1 changed files with 38 additions and 16 deletions

View File

@ -125,15 +125,16 @@ static int open_mailto_url( const char *url )
* DDE helper functions.
*/
static char *ddeExec = NULL;
static HSZ hszTopic = 0;
static char *ddeString = NULL;
static HSZ hszTopic = 0, hszReturn = 0;
static DWORD ddeInst = 0;
/* Dde callback, save the execute string for processing */
/* Dde callback, save the execute or request string for processing */
static HDDEDATA CALLBACK ddeCb(UINT uType, UINT uFmt, HCONV hConv,
HSZ hsz1, HSZ hsz2, HDDEDATA hData,
ULONG_PTR dwData1, ULONG_PTR dwData2)
{
DWORD size = 0;
DWORD size = 0, ret = 0;
WINE_TRACE("dde_cb: %04x, %04x, %p, %p, %p, %p, %08lx, %08lx\n",
uType, uFmt, hConv, hsz1, hsz2, hData, dwData1, dwData2);
@ -148,13 +149,26 @@ static HDDEDATA CALLBACK ddeCb(UINT uType, UINT uFmt, HCONV hConv,
case XTYP_EXECUTE:
if (!(size = DdeGetData(hData, NULL, 0, 0)))
WINE_ERR("DdeGetData returned zero size of execute string\n");
else if (!(ddeExec = HeapAlloc(GetProcessHeap(), 0, size)))
else if (!(ddeString = HeapAlloc(GetProcessHeap(), 0, size)))
WINE_ERR("Out of memory\n");
else if (DdeGetData(hData, (LPBYTE)ddeExec, size, 0) != size)
else if (DdeGetData(hData, (LPBYTE)ddeString, size, 0) != size)
WINE_WARN("DdeGetData did not return %d bytes\n", size);
DdeFreeDataHandle(hData);
return (HDDEDATA)DDE_FACK;
case XTYP_REQUEST:
ret = -3; /* error */
if (!(size = DdeQueryString(ddeInst, hsz2, NULL, 0, CP_WINANSI)))
WINE_ERR("DdeQueryString returned zero size of request string\n");
else if (!(ddeString = HeapAlloc(GetProcessHeap(), 0, size+1)))
WINE_ERR("Out of memory\n");
else if (DdeQueryString(ddeInst, hsz2, ddeString, size+1, CP_WINANSI) != size)
WINE_WARN("DdeQueryString did not return %d bytes\n", size);
else
ret = -2; /* acknowledgment */
return DdeCreateDataHandle(ddeInst, (LPBYTE)&ret, sizeof(ret), 0,
hszReturn, CF_TEXT, 0);
default:
return NULL;
}
@ -164,15 +178,15 @@ static char *get_url_from_dde(void)
{
static const char szApplication[] = "IExplore";
static const char szTopic[] = "WWW_OpenURL";
static const char szReturn[] = "Return";
HSZ hszApplication = 0;
DWORD ddeInst = 0;
UINT_PTR timer = 0;
int rc;
char *ret = NULL;
rc = DdeInitializeA(&ddeInst, ddeCb, CBF_SKIP_ALLNOTIFICATIONS | CBF_FAIL_ADVISES |
CBF_FAIL_POKES | CBF_FAIL_REQUESTS, 0);
CBF_FAIL_POKES, 0);
if (rc != DMLERR_NO_ERROR)
{
WINE_ERR("Unable to initialize DDE, DdeInitialize returned %d\n", rc);
@ -193,6 +207,13 @@ static char *get_url_from_dde(void)
goto done;
}
hszReturn = DdeCreateStringHandleA(ddeInst, szReturn, CP_WINANSI);
if (!hszReturn)
{
WINE_ERR("Unable to initialize DDE, DdeCreateStringHandle failed\n");
goto done;
}
if (!DdeNameService(ddeInst, hszApplication, 0, DNS_REGISTER))
{
WINE_ERR("Unable to initialize DDE, DdeNameService failed\n");
@ -206,7 +227,7 @@ static char *get_url_from_dde(void)
goto done;
}
while (!ddeExec)
while (!ddeString)
{
MSG msg;
if (!GetMessage(&msg, NULL, 0, 0)) break;
@ -214,21 +235,21 @@ static char *get_url_from_dde(void)
DispatchMessage(&msg);
}
if (ddeExec)
if (ddeString)
{
if (*ddeExec == '"')
if (*ddeString == '"')
{
char *endquote = strchr(ddeExec+1, '"');
char *endquote = strchr(ddeString+1, '"');
if (!endquote)
{
WINE_ERR("Unabled to retrieve URL from string '%s'\n", ddeExec);
WINE_ERR("Unabled to retrieve URL from string '%s'\n", ddeString);
goto done;
}
*endquote = 0;
ret = ddeExec+1;
ret = ddeString+1;
}
else
ret = ddeExec;
ret = ddeString;
}
done:
@ -236,6 +257,7 @@ done:
if (ddeInst)
{
if (hszTopic && hszApplication) DdeNameService(ddeInst, hszApplication, 0, DNS_UNREGISTER);
if (hszReturn) DdeFreeStringHandle(ddeInst, hszReturn);
if (hszTopic) DdeFreeStringHandle(ddeInst, hszTopic);
if (hszApplication) DdeFreeStringHandle(ddeInst, hszApplication);
DdeUninitialize(ddeInst);
@ -332,6 +354,6 @@ int main(int argc, char *argv[])
ret = open_http_url( url );
done:
HeapFree(GetProcessHeap(), 0, ddeExec);
HeapFree(GetProcessHeap(), 0, ddeString);
return ret;
}