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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
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54
programs/winebrowser/main.c
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@ -125,15 +125,16 @@ static int open_mailto_url( const char *url )
* DDE helper functions. * DDE helper functions.
*/ */
static char *ddeExec = NULL; static char *ddeString = NULL;
static HSZ hszTopic = 0; 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, static HDDEDATA CALLBACK ddeCb(UINT uType, UINT uFmt, HCONV hConv,
HSZ hsz1, HSZ hsz2, HDDEDATA hData, HSZ hsz1, HSZ hsz2, HDDEDATA hData,
ULONG_PTR dwData1, ULONG_PTR dwData2) 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", WINE_TRACE("dde_cb: %04x, %04x, %p, %p, %p, %p, %08lx, %08lx\n",
uType, uFmt, hConv, hsz1, hsz2, hData, dwData1, dwData2); 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: case XTYP_EXECUTE:
if (!(size = DdeGetData(hData, NULL, 0, 0))) if (!(size = DdeGetData(hData, NULL, 0, 0)))
WINE_ERR("DdeGetData returned zero size of execute string\n"); 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"); 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); WINE_WARN("DdeGetData did not return %d bytes\n", size);
DdeFreeDataHandle(hData); DdeFreeDataHandle(hData);
return (HDDEDATA)DDE_FACK; 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: default:
return NULL; return NULL;
} }
@ -164,15 +178,15 @@ static char *get_url_from_dde(void)
{ {
static const char szApplication[] = "IExplore"; static const char szApplication[] = "IExplore";
static const char szTopic[] = "WWW_OpenURL"; static const char szTopic[] = "WWW_OpenURL";
static const char szReturn[] = "Return";
HSZ hszApplication = 0; HSZ hszApplication = 0;
DWORD ddeInst = 0;
UINT_PTR timer = 0; UINT_PTR timer = 0;
int rc; int rc;
char *ret = NULL; char *ret = NULL;
rc = DdeInitializeA(&ddeInst, ddeCb, CBF_SKIP_ALLNOTIFICATIONS | CBF_FAIL_ADVISES | 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) if (rc != DMLERR_NO_ERROR)
{ {
WINE_ERR("Unable to initialize DDE, DdeInitialize returned %d\n", rc); WINE_ERR("Unable to initialize DDE, DdeInitialize returned %d\n", rc);
@ -193,6 +207,13 @@ static char *get_url_from_dde(void)
goto done; 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)) if (!DdeNameService(ddeInst, hszApplication, 0, DNS_REGISTER))
{ {
WINE_ERR("Unable to initialize DDE, DdeNameService failed\n"); WINE_ERR("Unable to initialize DDE, DdeNameService failed\n");
@ -206,7 +227,7 @@ static char *get_url_from_dde(void)
goto done; goto done;
} }
while (!ddeExec) while (!ddeString)
{ {
MSG msg; MSG msg;
if (!GetMessage(&msg, NULL, 0, 0)) break; if (!GetMessage(&msg, NULL, 0, 0)) break;
@ -214,21 +235,21 @@ static char *get_url_from_dde(void)
DispatchMessage(&msg); DispatchMessage(&msg);
} }
if (ddeExec) if (ddeString)
{ {
if (*ddeExec == '"') if (*ddeString == '"')
{ {
char *endquote = strchr(ddeExec+1, '"'); char *endquote = strchr(ddeString+1, '"');
if (!endquote) 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; goto done;
} }
*endquote = 0; *endquote = 0;
ret = ddeExec+1; ret = ddeString+1;
} }
else else
ret = ddeExec; ret = ddeString;
} }
done: done:
@ -236,6 +257,7 @@ done:
if (ddeInst) if (ddeInst)
{ {
if (hszTopic && hszApplication) DdeNameService(ddeInst, hszApplication, 0, DNS_UNREGISTER); if (hszTopic && hszApplication) DdeNameService(ddeInst, hszApplication, 0, DNS_UNREGISTER);
if (hszReturn) DdeFreeStringHandle(ddeInst, hszReturn);
if (hszTopic) DdeFreeStringHandle(ddeInst, hszTopic); if (hszTopic) DdeFreeStringHandle(ddeInst, hszTopic);
if (hszApplication) DdeFreeStringHandle(ddeInst, hszApplication); if (hszApplication) DdeFreeStringHandle(ddeInst, hszApplication);
DdeUninitialize(ddeInst); DdeUninitialize(ddeInst);
@ -332,6 +354,6 @@ int main(int argc, char *argv[])
ret = open_http_url( url ); ret = open_http_url( url );
done: done:
HeapFree(GetProcessHeap(), 0, ddeExec); HeapFree(GetProcessHeap(), 0, ddeString);
return ret; return ret;
} }