WindowsNT System Manager

#include "SysMain.h"
#include "_GlobalVars.h"
#include "_Constants.h"
#include "_Utils.h"
#include "resource.h"

LRESULT CALLBACK 
MDIChild_WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
	LRESULT lResult = 0;

	switch(uMsg)
	{
		case WM_CREATE:
			MDIChild_OnCreate(hWnd, wParam, lParam, &lResult);
			break;

		case WM_SIZE:
			MDIChild_OnSize(hWnd, wParam, lParam, &lResult);
			break;

		case WM_CLOSE:
			MDIChild_OnClose(hWnd, wParam, lParam, &lResult);
			break;

		case WM_MDIACTIVATE:
			MDIChild_OnMDIActivate(hWnd, wParam, lParam, &lResult);
			break;

		case WM_DESTROY:
			MDIChild_OnDestroy(hWnd, wParam, lParam, &lResult);
			break;

		case WM_USER_REFRESH:
			MDIChild_OnRefresh(hWnd, wParam, lParam, &lResult);
			break;

		default:
			lResult = DefMDIChildProc(hWnd, uMsg, wParam, lParam);
			break;
	}

	return lResult;
}

#pragma warning(disable:4702)
LRESULT*
MDIChild_OnClose(HWND hWnd, WPARAM wParam, LPARAM lParam, LRESULT *plResult)
{
	HWND hwndDlg = 0;
	LPSERVICEFILTER psf = 0;
	DLGPROC lpDlgProc;
		
	psf = (LPSERVICEFILTER)(GetWindowLong(hWnd, GWL_USERDATA));
	if(psf)
		SetEvent(psf->hCloseEvent);

	//	close also encapsulated dialog
	hwndDlg = (HWND)GetWindowLong(hWnd, GWLAPP_HDLG);

	lpDlgProc = (DLGPROC)GetWindowLong(hwndDlg, DWL_DLGPROC);
	FreeProcInstance(lpDlgProc);
	
	EndDialog(hwndDlg, IDOK);
	DestroyWindow(hwndDlg);

	*plResult = DefMDIChildProc(hWnd, WM_CLOSE, wParam, lParam);
	g_hWndActiveChild = (HWND)SendMessage(g_hMDIClientWnd, WM_MDIGETACTIVE, 0, 0);

	return plResult;
}

LRESULT*
MDIChild_OnCreate(HWND hWnd, WPARAM wParam, LPARAM lParam, LRESULT *plResult)
{
	HWND    hWndTemp;
	TCHAR lpszMachineName[MAX_COMPUTERNAME_LENGTH + 1];
	LPSERVICEFILTER psf = 0;
	register UINT x = 0;

	_UNREFERENCED_PARAMETER_(wParam);
	_UNREFERENCED_PARAMETER_(lParam);

	ComboBox_GetLBText(g_hComboToolbarWnd, ComboBox_GetCurSel(g_hComboToolbarWnd), lpszMachineName);

	psf = GlobalAlloc(GPTR, sizeof(SERVICEFILTER));
	if(!psf)
	{
		*plResult = 1;
		return plResult;
	}

	psf->fDevice		= g_fDevice;
	psf->fService		= g_fService;
	psf->fRunning		= g_fActive;
	psf->fPaused		= g_fPaused;
	psf->fStopped		= g_fStopped;
	psf->hCancelEvent	= 0;
	psf->hCloseEvent	= 0;
	psf->hwndProgr		= 0;
	psf->uThreadId		= 0;
	psf->hwndDlg		= 0;
	psf->hwndLV			= 0;
	_tcscpy(psf->lpszComputerName, lpszMachineName);

	g_hWndActiveChild = hWnd;
	hWndTemp = CreateDialogParam(g_hInstance, MAKEINTRESOURCE(IDD_MDICHILD), hWnd, MDIChild_DlgProc, (LPARAM)psf);

	if(!hWndTemp)
	{
		*plResult = -1;
		return plResult;
	}

	SetWindowLong(hWnd, GWLAPP_HDLG		, (LONG)hWndTemp);
 	SetWindowLong(hWnd, GWLAPP_TYPE		, (LONG)TypeToIntCode());
	SetWindowLong(hWnd, GWLAPP_STATUS	, (LONG)StatusToIntCode());
	SetWindowLong(hWnd, GWL_USERDATA	, (LONG)0); // has no thread (yet)

	for(x = 0; x < _tcslen(lpszMachineName); x++)
	{
		TCHAR tch = lpszMachineName[x];
		UINT  uGWLIndex = GWLAPP_MACHINE + x * sizeof(LONG);

		SetWindowLong(hWnd, uGWLIndex, (LONG)(tch)); // set associated computer name (all characters)
	}
	SetWindowLong(hWnd, GWLAPP_MACHINE + x* sizeof(LONG), (LONG)(_T('\0'))); // set NUL terminator

	ShowWindow(hWndTemp, SW_SHOW);
	UpdateWindow(hWndTemp);

	*plResult = 0;
	return plResult;
}

LRESULT *
MDIChild_OnSize(HWND hWnd, WPARAM wParam, LPARAM lParam, LRESULT *plResult)
{
	DefMDIChildProc(hWnd, WM_SIZE, wParam, lParam);
	SendMessage((HWND)GetWindowLong(hWnd, GWLAPP_HDLG), WM_SIZE, wParam, lParam);

	*plResult = 0;
	return plResult;
}

LRESULT *
MDIChild_OnMDIActivate(HWND hWnd, WPARAM wParam, LPARAM lParam, LRESULT *plResult)
{
	_UNREFERENCED_PARAMETER_(hWnd);
	_UNREFERENCED_PARAMETER_(wParam);
	_UNREFERENCED_PARAMETER_(lParam);

	g_hWndActiveChild = (HWND)SendMessage(g_hMDIClientWnd, WM_MDIGETACTIVE, 0, 0);

	SendMessage(g_hStatusBarWnd, SB_SETICON, (WPARAM)(INT)1, (LPARAM)hControllerIconI);
	SendMessage(g_hStatusBarWnd, SB_SETICON, (WPARAM)(INT)2, (LPARAM)hLegendIconI);

	*plResult = 0;
	return plResult;
}

#pragma warning(disable:4702)
LRESULT *
MDIChild_OnDestroy(HWND hWnd, WPARAM wParam, LPARAM lParam, LRESULT *plResult)
{
	_UNREFERENCED_PARAMETER_(wParam);
	_UNREFERENCED_PARAMETER_(lParam);

	if(hWnd == g_hWndActiveChild)
		g_hWndActiveChild = (HWND)0;

	*plResult = 0;
	return plResult;
}

#pragma warning(disable:4702)
LRESULT*
MDIChild_OnRefresh(HWND hWnd, WPARAM wParam, LPARAM lParam, LRESULT *plResult)
{
	TCHAR lpszMachineName[_MAX_PATH + 1];
	LONG lWndLong;
	register UINT x;

	LPSERVICEFILTER psf = 0;

	_UNREFERENCED_PARAMETER_(wParam);
	_UNREFERENCED_PARAMETER_(lParam);

	for(x = 0; x < MAX_COMPUTERNAME_LENGTH + 1; x++)
	{
		lWndLong = GetWindowLong(g_hWndActiveChild, GWLAPP_MACHINE + x * sizeof(LONG));
		lpszMachineName[x] = (TCHAR)lWndLong;
	}

	psf = GlobalAlloc(GPTR, sizeof(SERVICEFILTER));
	if(!psf)
	{
		*plResult = 1;
		return plResult;
	}

	psf->fDevice		= g_fDevice;
	psf->fService		= g_fService;
	psf->fRunning		= g_fActive;
	psf->fPaused		= g_fPaused;
	psf->fStopped		= g_fStopped;
	psf->hCancelEvent	= 0;
	psf->hCloseEvent	= 0;
	psf->hwndProgr		= 0;
	psf->uThreadId		= 0;
	psf->hwndDlg		= 0;
	psf->hwndLV			= 0;
	_tcscpy(psf->lpszComputerName, lpszMachineName);

	*plResult = SendMessage((HWND)GetWindowLong(hWnd, GWLAPP_HDLG), WM_USER_REFRESH, 0, (LPARAM)psf);
	return plResult;
}