khanat-opennel-code/code/nel/src/misc/dummy_window.cpp

97 lines
2.5 KiB
C++

// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "stdmisc.h"
#include "nel/misc/dummy_window.h"
#ifdef NL_OS_WINDOWS
#ifdef DEBUG_NEW
#define new DEBUG_NEW
#endif
namespace NLMISC
{
static LRESULT CALLBACK nlDefaultWinProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
// ***************************************************************
CDummyWindow::CDummyWindow() : _HWnd(NULL)
{
}
// ***************************************************************
bool CDummyWindow::init(HINSTANCE hInstance, WNDPROC winProc)
{
release();
static const char *INVISIBLE_WINDOW_CLASS = "nl_invisible_wnd_class";
WNDCLASSEXA wc;
wc.cbSize = sizeof(WNDCLASSEXA);
if (!GetClassInfoExA(hInstance, INVISIBLE_WINDOW_CLASS, &wc))
{
wc.cbSize = sizeof(WNDCLASSEXA);
wc.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
wc.lpfnWndProc = nlDefaultWinProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = NULL;
wc.hCursor = NULL;
wc.hbrBackground = NULL;
wc.lpszMenuName = NULL;
wc.lpszClassName = INVISIBLE_WINDOW_CLASS;
wc.hIconSm = NULL;
RegisterClassExA(&wc);
}
_HWnd = CreateWindowA(INVISIBLE_WINDOW_CLASS, "", WS_POPUP,
CW_USEDEFAULT,CW_USEDEFAULT,
CW_USEDEFAULT,CW_USEDEFAULT,
NULL, 0,
hInstance, 0);
if (_HWnd)
{
if (winProc) SetWindowLongPtrA(_HWnd, GWLP_WNDPROC, (LONG_PTR) winProc);
return true;
}
return false;
}
// ***************************************************************
void CDummyWindow::release()
{
if (_HWnd)
{
DestroyWindow(_HWnd);
_HWnd = NULL;
}
}
// ***************************************************************
CDummyWindow::~CDummyWindow()
{
release();
}
} // NLMISC
#endif // NL_OS_WINDOWS