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Watch out for DefMDIChildProc calls on non-MDI-child windows.

This commit is contained in:
Ulrich Weigand 2000-10-19 20:24:06 +00:00 committed by Alexandre Julliard
parent 8862a4ee71
commit 1848c808d3
1 changed files with 25 additions and 0 deletions
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25
windows/mdi.c
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@ -75,6 +75,7 @@
#include "winuser.h"
#include "wine/unicode.h"
#include "win.h"
#include "class.h"
#include "heap.h"
#include "nonclient.h"
#include "mdi.h"
@ -1645,6 +1646,14 @@ LRESULT WINAPI DefMDIChildProc16( HWND16 hwnd, UINT16 message,
ci = (MDICLIENTINFO *) clientWnd->wExtra;
WIN_ReleaseWndPtr(tmpWnd);
/* Sanity check */
if (clientWnd->class->cbWndExtra < sizeof(MDICLIENTINFO))
{
WARN("called on non-MDI child window %x\n", hwnd);
WIN_ReleaseWndPtr(clientWnd);
return DefWindowProc16(hwnd, message, wParam, lParam);
}
switch (message)
{
case WM_SETTEXT:
@ -1837,6 +1846,14 @@ LRESULT WINAPI DefMDIChildProcA( HWND hwnd, UINT message,
ci = (MDICLIENTINFO *) clientWnd->wExtra;
WIN_ReleaseWndPtr(tmpWnd);
/* Sanity check */
if (clientWnd->class->cbWndExtra < sizeof(MDICLIENTINFO))
{
WARN("called on non-MDI child window %x\n", hwnd);
WIN_ReleaseWndPtr(clientWnd);
return DefWindowProcA(hwnd, message, wParam, lParam);
}
switch (message)
{
case WM_SETTEXT:
@ -1907,6 +1924,14 @@ LRESULT WINAPI DefMDIChildProcW( HWND hwnd, UINT message,
ci = (MDICLIENTINFO *) clientWnd->wExtra;
WIN_ReleaseWndPtr(tmpWnd);
/* Sanity check */
if (clientWnd->class->cbWndExtra < sizeof(MDICLIENTINFO))
{
WARN("called on non-MDI child window %x\n", hwnd);
WIN_ReleaseWndPtr(clientWnd);
return DefWindowProcW(hwnd, message, wParam, lParam);
}
switch (message)
{
case WM_SETTEXT: