void
CheckDefPushButton(HWND hDlg, HWND hWndCurrent, HWND hWndNextItem)
{
WORD wDlgCode;
UINT wDefID;
DWORD dwDefID;
DWORD dwStyle;
HWND hWndTemp, hDefItem;
wDlgCode = (hWndNextItem)?
(WORD)SendMessage(hWndNextItem,WM_GETDLGCODE,0,0L):0;
if (hWndNextItem == hWndCurrent) {
if (wDlgCode & DLGC_UNDEFPUSHBUTTON)
SendMessage(hWndCurrent,BM_SETSTYLE,
(WPARAM)BS_DEFPUSHBUTTON,MAKELPARAM(TRUE,0));
}
else {
if ((hWndCurrent && ((WORD)SendMessage(hWndCurrent,WM_GETDLGCODE,0,0L) &
(DLGC_UNDEFPUSHBUTTON|DLGC_DEFPUSHBUTTON))) ||
(hWndNextItem && (wDlgCode &
(DLGC_UNDEFPUSHBUTTON|DLGC_DEFPUSHBUTTON)))) {
/* we have to find an ancestor of hWndNextItem whose parent is hDlg */
if (wDlgCode & DLGC_DEFPUSHBUTTON)
SendMessage(hWndNextItem,BM_SETSTYLE,
(WPARAM)BS_PUSHBUTTON,MAKELPARAM(TRUE,0));
for (hWndTemp = GetNextDlgItem(hDlg,hWndNextItem);
hWndTemp != hWndNextItem;
hWndTemp = GetNextDlgItem(hDlg,hWndTemp))
if ((WORD)SendMessage(hWndTemp,WM_GETDLGCODE,0,0L) &
DLGC_DEFPUSHBUTTON)
SendMessage(hWndTemp,BM_SETSTYLE,
(WPARAM)BS_PUSHBUTTON,MAKELPARAM(TRUE,0));
}
if (wDlgCode & DLGC_UNDEFPUSHBUTTON)
SendMessage(hWndNextItem,BM_SETSTYLE,
(WPARAM)BS_DEFPUSHBUTTON,MAKELPARAM(TRUE,0));
else {
dwDefID = SendMessage(hDlg,DM_GETDEFID,0,0L);
if (HIWORD(dwDefID) != DC_HASDEFID)
wDefID = IDOK;
else
wDefID = LOWORD(dwDefID);
if ((hDefItem = GetDlgItem(hDlg,wDefID))) {
wDlgCode = (WORD)SendMessage(hDefItem,WM_GETDLGCODE,0,0L);
dwStyle = GetWindowLong(hDefItem,GWL_STYLE);
if (!(wDlgCode & DLGC_DEFPUSHBUTTON) &&
(wDlgCode & DLGC_UNDEFPUSHBUTTON) &&
!(dwStyle & WS_DISABLED))
SendMessage(hDefItem,BM_SETSTYLE,
(WPARAM)BS_DEFPUSHBUTTON,MAKELPARAM(TRUE,0));
}
}
}
}
void SmartEnableWindow(HWND Win, BOOL Enable)
{
UIETWASSERT(Win);
if (!Enable)
{
HWND hasfocus = GetFocus();
bool FocusProblem = false;
HWND focuscopy;
for (focuscopy = hasfocus; focuscopy; focuscopy = (GetParent)(focuscopy))
if (focuscopy == Win)
FocusProblem = true;
if (FocusProblem)
{
HWND nextctrl = GetNextDlgItem(Win, true);
if (nextctrl)
SetFocus(nextctrl);
}
}
::EnableWindow(Win, Enable);
}
