/*
You can not initialize the window class with a class method as the window
procedure unless it is a static method, so the class also needs a static
message handler that determines which instance of the class is the recipient
of the message and calls that instance's window procedure.
See "http://www.gamedev.net/reference/articles/article1810.asp" for more info.
*/
LRESULT CALLBACK Window::stWinMsgHandler(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
Window* pWnd = NULL;
/*
* A difference between a desktop version of Windows and the CE version is in the window creation process.
* On the desktop WM_NCCREATE is the first message so the this pointer should be captured during the its processing.
* In Windows CE this message doesn't exist. The first message is WM_CREATE so it must be used.
*/
#ifdef UNDER_CE
if (uMsg == WM_CREATE)
#else
if (uMsg == WM_NCCREATE)
#endif
{
// get the pointer to the window from lpCreateParams which was set in CreateWindow
pWnd = reinterpret_cast<Window *>(((LPCREATESTRUCT)lParam)->lpCreateParams);
::SetWindowLongPtr(hwnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(pWnd));
pWnd->SetHandle(hwnd); // this is need, otherwise _hWnd not already set inside OnCreate() ..
} else {
// get the pointer to the window
pWnd = GetObjectFromWindow(hwnd);
}
// if we have the pointer, go to the message handler of the window
// else, use DefWindowProc
if (pWnd)
return pWnd->WinMsgHandler(hwnd, uMsg, wParam, lParam);
else
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
/*
You can not initialize the window class with a class method as the window
procedure unless it is a static method, so the class also needs a static
message handler that determines which instance of the class is the recipient
of the message and calls that instance's window procedure.
See "http://www.gamedev.net/reference/articles/article1810.asp" for more info.
*/
LRESULT CALLBACK BaseDialog::stWinMsgHandler(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
BaseDialog* pWnd;
// get the pointer to the window
pWnd = GetObjectFromWindow(hwnd);
// if we have the pointer, go to the message handler of the window
// else, use DefWindowProc
if (pWnd)
return pWnd->WinMsgHandler(hwnd, uMsg, wParam, lParam);
else
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
//---------------------------------------------------
LRESULT CALLBACK Window::stWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
Window* pWnd;
if (uMsg == WM_NCCREATE)
SetWindowLong(hWnd, GWL_USERDATA, (long)((LPCREATESTRUCT(lParam))->lpCreateParams));
pWnd = GetObjectFromWindow(hWnd);
if (pWnd)
return pWnd->m_WndProcFunction(hWnd, uMsg, wParam, lParam, pWnd->m_WndProcOwner);
else
return DefWindowProc(hWnd, uMsg, wParam, lParam);
}
LRESULT CALLBACK CWindow::stWinMsgHandler(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
CWindow * pWnd = nullptr;
if (uMsg == WM_NCCREATE)
{
// get the pointer to the window from lpCreateParams which was set in CreateWindow
SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)((LPCREATESTRUCT(lParam))->lpCreateParams));
}
// get the pointer to the window
pWnd = GetObjectFromWindow(hwnd);
// if we have the pointer, go to the message handler of the window
// else, use DefWindowProc
if (pWnd)
{
switch (uMsg)
{
case WM_ACTIVATE:
if ((wParam == WA_ACTIVE)&&(!pWnd->bWindowRestored)&&(!pWnd->sRegistryPath.empty()))
{
WINDOWPLACEMENT wpl = {0};
DWORD size = sizeof(wpl);
if (SHGetValue(HKEY_CURRENT_USER, pWnd->sRegistryPath.c_str(), pWnd->sRegistryValue.c_str(), REG_NONE, &wpl, &size) == ERROR_SUCCESS)
SetWindowPlacement(hwnd, &wpl);
else
ShowWindow(hwnd, SW_SHOW);
pWnd->bWindowRestored = true;
}
break;
case WM_CLOSE:
if (!pWnd->sRegistryPath.empty())
{
WINDOWPLACEMENT wpl = {0};
wpl.length = sizeof(WINDOWPLACEMENT);
GetWindowPlacement(hwnd, &wpl);
SHSetValue(HKEY_CURRENT_USER, pWnd->sRegistryPath.c_str(), pWnd->sRegistryValue.c_str(), REG_NONE, &wpl, sizeof(wpl));
}
break;
}
return pWnd->WinMsgHandler(hwnd, uMsg, wParam, lParam);
}
else
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
/*
You can not initialize the window class with a class method as the window
procedure unless it is a static method, so the class also needs a static
message handler that determines which instance of the class is the recipient
of the message and calls that instance's window procedure.
See "http://www.gamedev.net/reference/articles/article1810.asp" for more info.
*/
LRESULT CALLBACK CBaseWindow::stWinMsgHandler(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
CBaseWindow* pWnd;
if (uMsg == WM_NCCREATE)
{
// get the pointer to the window from lpCreateParams which was set in CreateWindow
SetWindowLong(hwnd, GWL_USERDATA, (long)((LPCREATESTRUCT(lParam))->lpCreateParams));
}
// get the pointer to the window
pWnd = GetObjectFromWindow(hwnd);
// if we have the pointer, go to the message handler of the window
// else, use DefWindowProc
if (pWnd)
return pWnd->WinMsgHandler(hwnd, uMsg, wParam, lParam);
else
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
LRESULT CALLBACK Canvas::stWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
Canvas* pWnd;
if (uMsg == WM_INITDIALOG)
{
SetWindowLong(hwnd, GWL_USERDATA, lParam);
}
else if (uMsg == WM_CREATE)
{
SetWindowLong(hwnd, GWL_USERDATA, (LONG_PTR)((LPCREATESTRUCT(lParam))->lpCreateParams));
}
// get the pointer to the window
pWnd = GetObjectFromWindow(hwnd);
// if we have the pointer, go to the message handler of the window
// else, use DefWindowProc
if (pWnd)
return pWnd->WindowProc(hwnd, uMsg, wParam, lParam);
else
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
INT_PTR CALLBACK CDialog::stDlgFunc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
CDialog* pWnd;
if (uMsg == WM_INITDIALOG)
{
// get the pointer to the window from lpCreateParams
SetWindowLongPtr(hwndDlg, GWLP_USERDATA, lParam);
pWnd = (CDialog*)lParam;
pWnd->m_hwnd = hwndDlg;
}
// get the pointer to the window
pWnd = GetObjectFromWindow(hwndDlg);
// if we have the pointer, go to the message handler of the window
// else, use DefWindowProc
if (pWnd)
{
LRESULT lRes = pWnd->DlgFunc(hwndDlg, uMsg, wParam, lParam);
SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, lRes);
return lRes;
}
else
return DefWindowProc(hwndDlg, uMsg, wParam, lParam);
}
