flags = (flags == MF_GRAYED || bReadOnly) ? MF_GRAYED : 0;
menu.InsertMenu(2, MF_BYPOSITION | flags, WM_CUT,
MES_CUT);
menu.InsertMenu(4, MF_BYPOSITION | flags, WM_CLEAR,
MES_DELETE);
flags = IsClipboardFormatAvailable(CF_TEXT) &&
!bReadOnly ? 0 : MF_GRAYED;
menu.InsertMenu(4, MF_BYPOSITION | flags, WM_PASTE,
MES_PASTE);
menu.InsertMenu(6, MF_BYPOSITION | MF_SEPARATOR);
int len = GetWindowTextLength();
flags = (!len || (LOWORD(sel) == 0 && HIWORD(sel) ==
len)) ? MF_GRAYED : 0;
menu.InsertMenu(7, MF_BYPOSITION | flags, ME_SELECTALL,
MES_SELECTALL);
menu.TrackPopupMenu(TPM_LEFTALIGN | TPM_LEFTBUTTON |
TPM_RIGHTBUTTON, point.x, point.y, this);
}
BOOL CMenuEdit::OnCommand(WPARAM wParam, LPARAM lParam)
{
switch (LOWORD(wParam))
{
case EM_UNDO:
case WM_CUT:
case WM_COPY:
case WM_CLEAR:
case WM_PASTE:
return SendMessage(LOWORD(wParam));
case ME_SELECTALL:
return SendMessage (EM_SETSEL, 0, -1);
default:
return CEdit::OnCommand(wParam, lParam);
}
}
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