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fix bug that mouse wheel when displaying a msgbox(#411)

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Jinhao
2019-03-24 20:03:45 +08:00
parent 01b7f6ff09
commit bd01cb447e
2 changed files with 19 additions and 4 deletions
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17
source/gui/msgbox.cpp
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@@ -1,7 +1,7 @@
/*
* A Message Box Class
* Nana C++ Library(http://www.nanapro.org)
* Copyright(C) 2003-2018 Jinhao(cnjinhao@hotmail.com)
* Copyright(C) 2003-2019 Jinhao(cnjinhao@hotmail.com)
*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
@@ -453,7 +453,20 @@ namespace nana
default: break;
}
auto bt = ::MessageBoxW(reinterpret_cast<HWND>(API::root(wd_)), to_wstring(sstream_.str()).c_str(), to_wstring(title_).c_str(), type);
//Disables the owner window to prevent the owner window processing mouse wheel event
//when the message box is showing and scroll the wheel on the owner window.
auto native = reinterpret_cast<HWND>(API::root(wd_));
BOOL enabled = FALSE;
if (native)
{
enabled = ::IsWindowEnabled(native);
if (enabled)
::EnableWindow(native, FALSE);
}
auto bt = ::MessageBoxW(native, to_wstring(sstream_.str()).c_str(), to_wstring(title_).c_str(), type);
if (native && enabled)
::EnableWindow(native, TRUE);
switch(bt)
{