#include <wine/debug.h>
WINE_DEFAULT_DEBUG_CHANNEL(user32);
+/* From wine: */
+/* flag for messages that contain pointers */
+/* 32 messages per entry, messages 0..31 map to bits 0..31 */
+
+#define SET(msg) (1 << ((msg) & 31))
+
+static const unsigned int message_pointer_flags[] =
+{
+ /* 0x00 - 0x1f */
+ SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) |
+ SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
+ /* 0x20 - 0x3f */
+ SET(WM_GETMINMAXINFO) | SET(WM_DRAWITEM) | SET(WM_MEASUREITEM) | SET(WM_DELETEITEM) |
+ SET(WM_COMPAREITEM),
+ /* 0x40 - 0x5f */
+ SET(WM_WINDOWPOSCHANGING) | SET(WM_WINDOWPOSCHANGED) | SET(WM_COPYDATA) |
+ SET(WM_COPYGLOBALDATA) | SET(WM_NOTIFY) | SET(WM_HELP),
+ /* 0x60 - 0x7f */
+ SET(WM_STYLECHANGING) | SET(WM_STYLECHANGED),
+ /* 0x80 - 0x9f */
+ SET(WM_NCCREATE) | SET(WM_NCCALCSIZE) | SET(WM_GETDLGCODE),
+ /* 0xa0 - 0xbf */
+ SET(EM_GETSEL) | SET(EM_GETRECT) | SET(EM_SETRECT) | SET(EM_SETRECTNP),
+ /* 0xc0 - 0xdf */
+ SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETTABSTOPS),
+ /* 0xe0 - 0xff */
+ SET(SBM_GETRANGE) | SET(SBM_SETSCROLLINFO) | SET(SBM_GETSCROLLINFO) | SET(SBM_GETSCROLLBARINFO),
+ /* 0x100 - 0x11f */
+ 0,
+ /* 0x120 - 0x13f */
+ 0,
+ /* 0x140 - 0x15f */
+ SET(CB_GETEDITSEL) | SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) |
+ SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) |
+ SET(CB_GETDROPPEDCONTROLRECT) | SET(CB_FINDSTRINGEXACT),
+ /* 0x160 - 0x17f */
+ 0,
+ /* 0x180 - 0x19f */
+ SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_SELECTSTRING) |
+ SET(LB_DIR) | SET(LB_FINDSTRING) |
+ SET(LB_GETSELITEMS) | SET(LB_SETTABSTOPS) | SET(LB_ADDFILE) | SET(LB_GETITEMRECT),
+ /* 0x1a0 - 0x1bf */
+ SET(LB_FINDSTRINGEXACT),
+ /* 0x1c0 - 0x1df */
+ 0,
+ /* 0x1e0 - 0x1ff */
+ 0,
+ /* 0x200 - 0x21f */
+ SET(WM_NEXTMENU) | SET(WM_SIZING) | SET(WM_MOVING) | SET(WM_DEVICECHANGE),
+ /* 0x220 - 0x23f */
+ SET(WM_MDICREATE) | SET(WM_MDIGETACTIVE) | SET(WM_DROPOBJECT) |
+ SET(WM_QUERYDROPOBJECT) | SET(WM_DRAGLOOP) | SET(WM_DRAGSELECT) | SET(WM_DRAGMOVE),
+ /* 0x240 - 0x25f */
+ 0,
+ /* 0x260 - 0x27f */
+ 0,
+ /* 0x280 - 0x29f */
+ 0,
+ /* 0x2a0 - 0x2bf */
+ 0,
+ /* 0x2c0 - 0x2df */
+ 0,
+ /* 0x2e0 - 0x2ff */
+ 0,
+ /* 0x300 - 0x31f */
+ SET(WM_ASKCBFORMATNAME)
+};
+
+/* check whether a given message type includes pointers */
+static inline int is_pointer_message( UINT message )
+{
+ if (message >= 8*sizeof(message_pointer_flags)) return FALSE;
+ return (message_pointer_flags[message / 32] & SET(message)) != 0;
+}
+
/* DDE message exchange
*
* - Session initialization
else
Wnd = NULL;
+ if (is_pointer_message(lpmsg->message))
+ {
+ SetLastError( ERROR_MESSAGE_SYNC_ONLY );
+ return 0;
+ }
+
if ((lpmsg->message == WM_TIMER || lpmsg->message == WM_SYSTIMER) && lpmsg->lParam != 0)
{
WNDPROC WndProc = (WNDPROC)lpmsg->lParam;
if ( lpmsg->message == WM_SYSTIMER )
return NtUserDispatchMessage( (PMSG)lpmsg );
+ if (!NtUserValidateTimerCallback(lpmsg->hwnd, lpmsg->wParam, lpmsg->lParam)) return 0;
+
_SEH2_TRY // wine does this. Hint: Prevents call to another thread....
{
Ret = WndProc(lpmsg->hwnd,
else
Wnd = NULL;
+ if (is_pointer_message(lpmsg->message))
+ {
+ SetLastError( ERROR_MESSAGE_SYNC_ONLY );
+ return 0;
+ }
+
if ((lpmsg->message == WM_TIMER || lpmsg->message == WM_SYSTIMER) && lpmsg->lParam != 0)
{
WNDPROC WndProc = (WNDPROC)lpmsg->lParam;
if ( lpmsg->message == WM_SYSTIMER )
return NtUserDispatchMessage( (PMSG) lpmsg );
+ if (!NtUserValidateTimerCallback(lpmsg->hwnd, lpmsg->wParam, lpmsg->lParam)) return 0;
+
_SEH2_TRY
{
Ret = WndProc(lpmsg->hwnd,
MSG AnsiMsg, UcMsg;
CALL_BACK_INFO CallBackInfo;
+ if (is_pointer_message(Msg))
+ {
+ SetLastError( ERROR_MESSAGE_SYNC_ONLY );
+ return FALSE;
+ }
+
CallBackInfo.CallBack = lpCallBack;
CallBackInfo.Context = dwData;
{
CALL_BACK_INFO CallBackInfo;
+ if (is_pointer_message(Msg))
+ {
+ SetLastError( ERROR_MESSAGE_SYNC_ONLY );
+ return FALSE;
+ }
+
CallBackInfo.CallBack = lpCallBack;
CallBackInfo.Context = dwData;
BOOL Ret;
MSG AnsiMsg, UcMsg;
+ if (is_pointer_message(Msg))
+ {
+ SetLastError( ERROR_MESSAGE_SYNC_ONLY );
+ return FALSE;
+ }
+
AnsiMsg.hwnd = hWnd;
AnsiMsg.message = Msg;
AnsiMsg.wParam = wParam;
MSG UMMsg, KMMsg;
LRESULT Result;
+ if (is_pointer_message(Msg))
+ {
+ SetLastError( ERROR_MESSAGE_SYNC_ONLY );
+ return FALSE;
+ }
+
UMMsg.hwnd = hWnd;
UMMsg.message = Msg;
UMMsg.wParam = wParam;