Leaked source code of windows server 2003
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/*++
Copyright (c) Microsoft Corporation. All rights reserved.
Module Name:
Main.cpp
Abstract:
Implements the entry point and message
pump for the application.
Notes:
Unicode only.
History:
05/04/2001 rparsons Created
01/11/2002 rparsons Cleaned up
--*/
#include "precomp.h"
APPINFO g_ai;
/*++
Routine Description:
Application entry point.
Arguments:
hInstance - App instance handle.
hPrevInstance - Always NULL.
lpCmdLine - Pointer to the command line.
nCmdShow - Window show flag.
Return Value:
The wParam of the message or 0 on failure.
--*/
int
APIENTRY
WinMain(
IN HINSTANCE hInstance,
IN HINSTANCE hPrevInstance,
IN LPSTR lpCmdLine,
IN int nCmdShow
)
{
MSG msg;
WNDCLASS wndclass;
WCHAR wszError[MAX_PATH];
RECT rcDialog;
RECT rcDesktopWorkArea;
INITCOMMONCONTROLSEX icex;
POINT pt;
HANDLE hMutex;
int nWidth = 0, nHeight = 0;
int nTaskbarHeight = 0;
OSVERSIONINFOEX osvi = {0};
UNREFERENCED_PARAMETER(lpCmdLine);
UNREFERENCED_PARAMETER(hPrevInstance);
g_ai.hInstance = hInstance;
//
// Make sure we're the only instance running.
//
hMutex = CreateMutex(NULL, FALSE, L"ShimViewer");
if (ERROR_ALREADY_EXISTS == GetLastError()) {
return 0;
}
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
if (!GetVersionEx((OSVERSIONINFO*)&osvi)) {
MessageBox(
NULL,
L"Failed to get the OS version info",
L"Error",
MB_ICONERROR);
return -1;
}
if (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT &&
osvi.dwMajorVersion == 5 &&
osvi.dwMinorVersion >= 2) {
g_ai.bUsingNewShimEng = TRUE;
//
// If we are using shimeng from NT 5.2 or newer we need
// to create the debug objects to get debug spew from
// OutputDebugString.
//
if (!CreateDebugObjects()) {
MessageBox(
NULL,
L"Failed to create the necessary objects to get debug spew "
L"from OutputDebugString",
L"Error",
MB_ICONERROR);
return 0;
}
} else {
g_ai.bUsingNewShimEng = FALSE;
}
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = (WNDPROC)MainWndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = DLGWINDOWEXTRA;
wndclass.hInstance = hInstance;
wndclass.hIcon = NULL;
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndclass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = APP_CLASS;
if (!RegisterClass(&wndclass)) {
LoadString(hInstance, IDS_NO_CLASS, wszError, ARRAYSIZE(wszError));
MessageBox(NULL, wszError, APP_NAME, MB_ICONERROR);
return 0;
}
//
// Set up the common controls.
//
icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
icex.dwICC = ICC_LISTVIEW_CLASSES;
if (!InitCommonControlsEx(&icex)) {
InitCommonControls();
}
//
// Get application settings from the registry, if there are any.
//
GetSaveSettings(FALSE);
g_ai.hMainDlg = CreateDialog(hInstance,
(LPCWSTR)IDD_MAIN,
NULL,
MainWndProc);
if (!g_ai.hMainDlg) {
LoadString(hInstance, IDS_NO_MAIN_DLG, wszError, ARRAYSIZE(wszError));
MessageBox(NULL, wszError, APP_NAME, MB_ICONERROR);
return 0;
}
//
// Get the window position info from the registry, if it's there.
//
GetSavePositionInfo(FALSE, &pt);
//
// If previous settings were retrieved from the registry, use them.
//
if (pt.x != 0) {
SetWindowPos(g_ai.hMainDlg,
g_ai.fOnTop ? HWND_TOPMOST : HWND_NOTOPMOST,
pt.x,
pt.y,
0,
0,
SWP_NOSIZE | SWP_SHOWWINDOW);
} else {
//
// Get the coords of the desktop window and place the dialog.
// We put it in the bottom-right corner of the desktop above
// the taskbar.
//
SystemParametersInfo(SPI_GETWORKAREA, 0, &rcDesktopWorkArea, 0);
GetWindowRect(g_ai.hMainDlg, &rcDialog);
nWidth = rcDialog.right - rcDialog.left;
nHeight = rcDialog.bottom - rcDialog.top;
SetWindowPos(g_ai.hMainDlg,
g_ai.fOnTop ? HWND_TOPMOST : HWND_NOTOPMOST,
rcDesktopWorkArea.right - nWidth,
rcDesktopWorkArea.bottom - nHeight,
0,
0,
SWP_NOSIZE | SWP_SHOWWINDOW);
}
ShowWindow(g_ai.hMainDlg, g_ai.fMinimize ? SW_MINIMIZE : SW_SHOWNORMAL);
while (GetMessage(&msg, (HWND)NULL, 0, 0)) {
if (!IsDialogMessage(g_ai.hMainDlg, &msg)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return (int)msg.wParam;
}
/*++
Routine Description:
Runs the message loop for the app.
Arguments:
hWnd - Handle to the window.
uMsg - Windows message.
wParam - Additional message info.
lParam - Additional message info.
Return Value:
TRUE if handled, FALSE otherwise.
--*/
INT_PTR
CALLBACK
MainWndProc(
IN HWND hWnd,
IN UINT uMsg,
IN WPARAM wParam,
IN LPARAM lParam
)
{
switch (uMsg) {
case WM_INITDIALOG:
{
WCHAR wszError[MAX_PATH];
HICON hIcon;
//
// Initialize the list view, menu items, and then create our thread.
//
g_ai.hWndList = GetDlgItem(hWnd, IDC_LIST);
InitListViewColumn();
hIcon = LoadIcon(g_ai.hInstance, MAKEINTRESOURCE(IDI_APPICON));
SetClassLongPtr(hWnd, GCLP_HICON, (LONG_PTR)hIcon);
CheckMenuItem(GetMenu(hWnd),
IDM_ON_TOP,
g_ai.fOnTop ? MF_CHECKED : MF_UNCHECKED);
CheckMenuItem(GetMenu(hWnd),
IDM_START_SMALL,
g_ai.fMinimize ? MF_CHECKED : MF_UNCHECKED);
CheckMenuItem(GetMenu(hWnd),
IDM_MONITOR,
g_ai.fMonitor ? MF_CHECKED : MF_UNCHECKED);
if (g_ai.fMonitor) {
if (!CreateReceiveThread()) {
LoadString(g_ai.hInstance,
IDS_CREATE_FAILED,
wszError,
ARRAYSIZE(wszError));
MessageBox(hWnd, wszError, APP_NAME, MB_ICONERROR);
g_ai.fMonitor = FALSE;
} else {
SetPriorityClass(GetCurrentProcess(), ABOVE_NORMAL_PRIORITY_CLASS);
}
}
break;
}
case WM_CLOSE:
{
RECT rc;
GetWindowRect(hWnd, &rc);
GetSavePositionInfo(TRUE, (LPPOINT)&rc);
GetSaveSettings(TRUE);
RemoveFromTray(hWnd);
EndDialog(hWnd, 0);
PostQuitMessage(0);
break;
}
case WM_SIZE:
{
HICON hIcon;
if (SIZE_MINIMIZED == wParam) {
ShowWindow(hWnd, SW_HIDE);
hIcon = (HICON)LoadImage(g_ai.hInstance,
MAKEINTRESOURCE(IDI_APPICON),
IMAGE_ICON,
16,
16,
0);
AddIconToTray(hWnd, hIcon, APP_NAME);
return TRUE;
}
MoveWindow(g_ai.hWndList, 0, 0, LOWORD(lParam), HIWORD(lParam), TRUE);
break;
}
case WM_NOTIFYICON:
switch (lParam) {
case WM_RBUTTONUP:
DisplayMenu(hWnd);
break;
case WM_LBUTTONDBLCLK:
RemoveFromTray(hWnd);
ShowWindow(hWnd, SW_SHOWNORMAL);
break;
default:
break;
}
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDM_EXIT:
PostMessage(hWnd, WM_CLOSE, 0, 0);
break;
case IDM_RESTORE:
ShowWindow(hWnd, SW_SHOWNORMAL);
SetWindowPos(hWnd,
g_ai.fOnTop ? HWND_TOPMOST : HWND_NOTOPMOST,
0,
0,
0,
0,
SWP_NOSIZE | SWP_NOMOVE);
RemoveFromTray(hWnd);
break;
case IDM_ABOUT:
ShellAbout(hWnd,
APP_NAME,
WRITTEN_BY,
LoadIcon(g_ai.hInstance, MAKEINTRESOURCE(IDI_APPICON)));
break;
case IDM_MONITOR:
CheckMenuItem(GetMenu(hWnd),
IDM_MONITOR,
g_ai.fMonitor ? MF_UNCHECKED : MF_CHECKED);
g_ai.fMonitor = g_ai.fMonitor ? FALSE : TRUE;
if (g_ai.fMonitor) {
CreateReceiveThread();
}
break;
case IDM_ON_TOP:
CheckMenuItem(GetMenu(hWnd),
IDM_ON_TOP,
g_ai.fOnTop ? MF_UNCHECKED : MF_CHECKED);
SetWindowPos(hWnd,
g_ai.fOnTop ? HWND_NOTOPMOST : HWND_TOPMOST,
0,
0,
0,
0,
SWP_NOSIZE | SWP_NOMOVE);
g_ai.fOnTop = g_ai.fOnTop ? FALSE : TRUE;
break;
case IDM_START_SMALL:
CheckMenuItem(GetMenu(hWnd),
IDM_START_SMALL,
g_ai.fMinimize ? MF_UNCHECKED : MF_CHECKED);
g_ai.fMinimize = g_ai.fMinimize ? FALSE : TRUE;
break;
case IDM_CLEAR:
ListView_DeleteAllItems(g_ai.hWndList);
break;
default:
break;
}
default:
break;
}
return FALSE;
}