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shell32/explorer: Support different structure sizes in Shell_NotifyIcon.

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This commit is contained in:
Mikołaj Zalewski 2007-03-18 11:49:03 +01:00 committed by Alexandre Julliard
parent 823c64ef99
commit cdf06864e2
3 changed files with 52 additions and 20 deletions
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40
dlls/shell32/systray.c
View File

@ -45,7 +45,8 @@ static const WCHAR classname[] = /* Shell_TrayWnd */ {'S','h','e','l','l','_','T
BOOL WINAPI Shell_NotifyIconA(DWORD dwMessage, PNOTIFYICONDATAA pnid)
{
NOTIFYICONDATAW nidW;
ZeroMemory(&nidW, sizeof(nidW));
nidW.cbSize = sizeof(nidW);
nidW.hWnd = pnid->hWnd;
nidW.uID = pnid->uID;
@ -54,21 +55,30 @@ BOOL WINAPI Shell_NotifyIconA(DWORD dwMessage, PNOTIFYICONDATAA pnid)
nidW.hIcon = pnid->hIcon;
/* szTip */
MultiByteToWideChar(CP_ACP, 0, pnid->szTip, -1, nidW.szTip, sizeof(nidW.szTip)/sizeof(WCHAR));
if (pnid->uFlags & NIF_TIP)
MultiByteToWideChar(CP_ACP, 0, pnid->szTip, -1, nidW.szTip, sizeof(nidW.szTip)/sizeof(WCHAR));
nidW.dwState = pnid->dwState;
nidW.dwStateMask = pnid->dwStateMask;
if (pnid->cbSize >= NOTIFYICONDATAA_V2_SIZE)
{
nidW.dwState = pnid->dwState;
nidW.dwStateMask = pnid->dwStateMask;
/* szInfo */
MultiByteToWideChar(CP_ACP, 0, pnid->szInfo, -1, nidW.szInfo, sizeof(nidW.szInfo)/sizeof(WCHAR));
/* szInfo, szInfoTitle */
if (pnid->uFlags & NIF_INFO)
{
MultiByteToWideChar(CP_ACP, 0, pnid->szInfo, -1, nidW.szInfo, sizeof(nidW.szInfo)/sizeof(WCHAR));
MultiByteToWideChar(CP_ACP, 0, pnid->szInfoTitle, -1, nidW.szInfoTitle, sizeof(nidW.szInfoTitle)/sizeof(WCHAR));
}
nidW.u.uTimeout = pnid->u.uTimeout;
/* szInfoTitle */
MultiByteToWideChar(CP_ACP, 0, pnid->szInfoTitle, -1, nidW.szInfoTitle, sizeof(nidW.szInfoTitle)/sizeof(WCHAR));
nidW.u.uTimeout = pnid->u.uTimeout;
nidW.dwInfoFlags = pnid->dwInfoFlags;
}
nidW.dwInfoFlags = pnid->dwInfoFlags;
if (pnid->cbSize >= NOTIFYICONDATAA_V3_SIZE)
nidW.guidItem = pnid->guidItem;
if (pnid->cbSize >= sizeof(NOTIFYICONDATAA))
nidW.hBalloonIcon = pnid->hBalloonIcon;
return Shell_NotifyIconW(dwMessage, &nidW);
}
@ -80,7 +90,7 @@ BOOL WINAPI Shell_NotifyIconW(DWORD dwMessage, PNOTIFYICONDATAW nid)
HWND tray;
COPYDATASTRUCT cds;
TRACE("dwMessage = %d\n", dwMessage);
TRACE("dwMessage = %d, nid->cbSize=%d\n", dwMessage, nid->cbSize);
tray = FindWindowExW(0, NULL, classname, NULL);
if (!tray) return FALSE;
@ -111,7 +121,7 @@ BOOL WINAPI Shell_NotifyIconW(DWORD dwMessage, PNOTIFYICONDATAW nid)
cbMaskBits = (bmMask.bmPlanes * bmMask.bmWidth * bmMask.bmHeight * bmMask.bmBitsPixel) / 8;
cbColourBits = (bmColour.bmPlanes * bmColour.bmWidth * bmColour.bmHeight * bmColour.bmBitsPixel) / 8;
cds.cbData = sizeof(*nid) + 2*sizeof(BITMAP) + cbMaskBits + cbColourBits;
cds.cbData = nid->cbSize + 2*sizeof(BITMAP) + cbMaskBits + cbColourBits;
buffer = HeapAlloc(GetProcessHeap(), 0, cds.cbData);
if (!buffer)
{
@ -122,7 +132,7 @@ BOOL WINAPI Shell_NotifyIconW(DWORD dwMessage, PNOTIFYICONDATAW nid)
cds.lpData = buffer;
memcpy(buffer, nid, sizeof(*nid));
buffer += sizeof(*nid);
buffer += nid->cbSize;
memcpy(buffer, &bmMask, sizeof(bmMask));
buffer += sizeof(bmMask);
memcpy(buffer, &bmColour, sizeof(bmColour));
@ -138,7 +148,7 @@ BOOL WINAPI Shell_NotifyIconW(DWORD dwMessage, PNOTIFYICONDATAW nid)
else
{
noicon:
cds.cbData = sizeof(*nid);
cds.cbData = nid->cbSize;
cds.lpData = nid;
}

17
include/shellapi.h
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@ -363,6 +363,8 @@ typedef struct _NOTIFYICONDATAA
} DUMMYUNIONNAME;
CHAR szInfoTitle[64];
DWORD dwInfoFlags;
GUID guidItem;
HICON hBalloonIcon;
} NOTIFYICONDATAA, *PNOTIFYICONDATAA;
typedef struct _NOTIFYICONDATAW
@ -382,6 +384,8 @@ typedef struct _NOTIFYICONDATAW
} DUMMYUNIONNAME;
WCHAR szInfoTitle[64];
DWORD dwInfoFlags;
GUID guidItem;
HICON hBalloonIcon;
} NOTIFYICONDATAW, *PNOTIFYICONDATAW;
DECL_WINELIB_TYPE_AW(NOTIFYICONDATA)
@ -392,6 +396,19 @@ BOOL WINAPI Shell_NotifyIconW(DWORD dwMessage, PNOTIFYICONDATAW lpData);
#define Shell_NotifyIcon WINELIB_NAME_AW(Shell_NotifyIcon)
/* pre IE 5.0 */
#define NOTIFYICONDATAA_V1_SIZE FIELD_OFFSET(NOTIFYICONDATAA, szTip[64])
#define NOTIFYICONDATAW_V1_SIZE FIELD_OFFSET(NOTIFYICONDATAW, szTip[64])
/* pre Window XP */
#define NOTIFYICONDATAA_V2_SIZE FIELD_OFFSET(NOTIFYICONDATAA, guidItem)
#define NOTIFYICONDATAW_V2_SIZE FIELD_OFFSET(NOTIFYICONDATAW, guidItem)
/* pre Window Vista */
#define NOTIFYICONDATAA_V3_SIZE FIELD_OFFSET(NOTIFYICONDATAA, hBalloonIcon)
#define NOTIFYICONDATAW_V3_SIZE FIELD_OFFSET(NOTIFYICONDATAW, hBalloonIcon)
/******************************************
* Links
*/

15
programs/explorer/systray.c
View File

@ -301,13 +301,18 @@ static void delete_icon(const NOTIFYICONDATAW *nid)
static void handle_incoming(HWND hwndSource, COPYDATASTRUCT *cds)
{
NOTIFYICONDATAW nid;
DWORD cbSize;
if (cds->cbData < sizeof(nid)) return;
memcpy(&nid, cds->lpData, sizeof(nid));
if (cds->cbData < NOTIFYICONDATAW_V1_SIZE) return;
cbSize = ((PNOTIFYICONDATA)cds->lpData)->cbSize;
if (cbSize < NOTIFYICONDATAW_V1_SIZE) return;
ZeroMemory(&nid, sizeof(nid));
memcpy(&nid, cds->lpData, min(sizeof(nid), cbSize));
/* FIXME: if statement only needed because we don't support interprocess
* icon handles */
if ((nid.uFlags & NIF_ICON) && (cds->cbData >= sizeof(nid) + 2 * sizeof(BITMAP)))
if ((nid.uFlags & NIF_ICON) && (cds->cbData >= nid.cbSize + 2 * sizeof(BITMAP)))
{
LONG cbMaskBits;
LONG cbColourBits;
@ -315,7 +320,7 @@ static void handle_incoming(HWND hwndSource, COPYDATASTRUCT *cds)
BITMAP bmColour;
const char *buffer = cds->lpData;
buffer += sizeof(nid);
buffer += nid.cbSize;
memcpy(&bmMask, buffer, sizeof(bmMask));
buffer += sizeof(bmMask);
@ -325,7 +330,7 @@ static void handle_incoming(HWND hwndSource, COPYDATASTRUCT *cds)
cbMaskBits = (bmMask.bmPlanes * bmMask.bmWidth * bmMask.bmHeight * bmMask.bmBitsPixel) / 8;
cbColourBits = (bmColour.bmPlanes * bmColour.bmWidth * bmColour.bmHeight * bmColour.bmBitsPixel) / 8;
if (cds->cbData < sizeof(nid) + 2 * sizeof(BITMAP) + cbMaskBits + cbColourBits)
if (cds->cbData < nid.cbSize + 2 * sizeof(BITMAP) + cbMaskBits + cbColourBits)
{
WINE_ERR("buffer underflow\n");
return;