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Add workarounds for null strings in TOOLBAR_InsertButtonA and calling 

TOOLBAR_SetButtonSize after button added to the toolbar (latter for
WINZIP32.EXE)
This commit is contained in:
Mike McCormack 2000-06-25 12:48:41 +00:00 committed by Alexandre Julliard
parent d292234835
commit 4b4e978106
1 changed files with 25 additions and 8 deletions
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33
dlls/comctl32/toolbar.c
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@ -2272,14 +2272,22 @@ TOOLBAR_InsertButtonA (HWND hwnd, WPARAM wParam, LPARAM lParam)
* I only see this happen with nIndex == -1, but it could have a special
* meaning (like -nIndex (or ~nIndex) to get the real position of insertion).
*/
int len = lstrlenA((char*)lpTbb->iString) + 2;
LPSTR ptr = COMCTL32_Alloc(len);
int len;
LPSTR ptr;
nIndex = infoPtr->nNumButtons;
strcpy(ptr, (char*)lpTbb->iString);
ptr[len - 1] = 0; /* ended by two '\0' */
lpTbb->iString = TOOLBAR_AddStringA(hwnd, 0, (LPARAM)ptr);
COMCTL32_Free(ptr);
if(lpTbb->iString) {
len = lstrlenA((char*)lpTbb->iString) + 2;
ptr = COMCTL32_Alloc(len);
nIndex = infoPtr->nNumButtons;
strcpy(ptr, (char*)lpTbb->iString);
ptr[len - 1] = 0; /* ended by two '\0' */
lpTbb->iString = TOOLBAR_AddStringA(hwnd, 0, (LPARAM)ptr);
COMCTL32_Free(ptr);
}
else {
ERR("lpTbb->iString is NULL\n");
return FALSE;
}
} else if (nIndex < 0)
return FALSE;
@ -2721,12 +2729,21 @@ TOOLBAR_SetButtonSize (HWND hwnd, WPARAM wParam, LPARAM lParam)
TOOLBAR_INFO *infoPtr = TOOLBAR_GetInfoPtr (hwnd);
if ((LOWORD(lParam) <= 0) || (HIWORD(lParam)<=0))
{
ERR("invalid parameter\n");
return FALSE;
}
/* Button size can only be set before adding any button to the toolbar
according to the documentation. */
/* this appears to be wrong. WINZIP32.EXE (ver 8) calls this on
one of its buttons after adding it to the toolbar, and it
checks that the return value is nonzero - mjm */
if( infoPtr->nNumButtons != 0 )
return FALSE;
{
FIXME("Button size set after button in toolbar\n");
return TRUE;
}
infoPtr->nButtonWidth = (INT)LOWORD(lParam);
infoPtr->nButtonHeight = (INT)HIWORD(lParam);