windows-nt/Source/XPSP1/NT/sdktools/perfmon/registry.c
2020-09-26 16:20:57 +08:00

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/*****************************************************************************
*
* Registry.c - This module handles requests for registry data, and
* reading/writing of window placement data
*
* Microsoft Confidential
* Copyright (c) 1992-1993 Microsoft Corporation
*
*
****************************************************************************/
#include <stdio.h>
#include "perfmon.h"
#include "registry.h"
#include "utils.h"
#include "sizes.h"
static TCHAR PerfmonNamesKey[] = TEXT("SOFTWARE\\Microsoft\\PerfMon") ;
static TCHAR WindowKeyName[] = TEXT("WindowPos") ;
static TCHAR TimeOutKeyName[] = TEXT("DataTimeOut") ;
static TCHAR DupInstanceKeyName[] = TEXT("MonitorDuplicateInstances") ;
static TCHAR ReportEventsToEventLog[] = TEXT("ReportEventsToEventLog");
static TCHAR CapPercentsAt100[] = TEXT("CapPercentsAt100");
VOID LoadLineGraphSettings(PGRAPHSTRUCT lgraph)
{
lgraph->gMaxValues = DEFAULT_MAX_VALUES;
lgraph->gOptions.bLegendChecked = DEFAULT_F_DISPLAY_LEGEND;
lgraph->gOptions.bLabelsChecked = DEFAULT_F_DISPLAY_CALIBRATION;
return;
}
VOID LoadRefreshSettings(PGRAPHSTRUCT lgraph)
{
lgraph->gInterval = DEF_GRAPH_INTERVAL;
lgraph->gOptions.eTimeInterval = (FLOAT) lgraph->gInterval / (FLOAT) 1000.0 ;
return;
}
BOOL LoadMainWindowPlacement (HWND hWnd)
{
WINDOWPLACEMENT WindowPlacement ;
TCHAR szWindowPlacement [TEMP_BUF_LEN] ;
HKEY hKeyNames ;
DWORD Size;
DWORD Type;
DWORD Status;
DWORD localDataTimeOut;
DWORD localFlag;
STARTUPINFO StartupInfo ;
GetStartupInfo (&StartupInfo) ;
DataTimeOut = DEFAULT_DATA_TIMEOUT ;
Status = RegOpenKeyEx(HKEY_CURRENT_USER, PerfmonNamesKey,
0L, KEY_READ | KEY_WRITE, &hKeyNames) ;
if (Status == ERROR_SUCCESS)
{
// get the data timeout value
Size = sizeof(localDataTimeOut) ;
Status = RegQueryValueEx(hKeyNames, TimeOutKeyName, NULL,
&Type, (LPBYTE)&localDataTimeOut, &Size) ;
if (Status == ERROR_SUCCESS && Type == REG_DWORD)
{
DataTimeOut = localDataTimeOut ;
}
// check the duplicate entry value
Size = sizeof (localFlag);
Status = RegQueryValueEx (hKeyNames, DupInstanceKeyName, NULL,
&Type, (LPBYTE)&localFlag, &Size);
if ((Status == ERROR_SUCCESS) && (Type == REG_DWORD)) {
bMonitorDuplicateInstances = (BOOL)(localFlag == 1);
} else {
// value not found or not correct so set to default value
bMonitorDuplicateInstances = TRUE;
// and try to save it back in the registry
localFlag = 1;
Status = RegSetValueEx(hKeyNames, DupInstanceKeyName, 0,
REG_DWORD, (LPBYTE)&localFlag, sizeof(localFlag));
}
// check the duplicate entry value
Size = sizeof (localFlag);
Status = RegQueryValueEx (hKeyNames, CapPercentsAt100, NULL,
&Type, (LPBYTE)&localFlag, &Size);
if ((Status == ERROR_SUCCESS) && (Type == REG_DWORD)) {
bCapPercentsAt100 = (BOOL)(localFlag == 1);
} else {
// value not found or not correct so set to default value
bCapPercentsAt100 = TRUE;
// and try to save it back in the registry
localFlag = 1;
Status = RegSetValueEx(hKeyNames, CapPercentsAt100, 0,
REG_DWORD, (LPBYTE)&localFlag, sizeof(localFlag));
}
// check the Report To Event Log entry value
Size = sizeof (localFlag);
Status = RegQueryValueEx (hKeyNames, ReportEventsToEventLog, NULL,
&Type, (LPBYTE)&localFlag, &Size);
if ((Status == ERROR_SUCCESS) && (Type == REG_DWORD)) {
bReportEvents = (BOOL)(localFlag == 1);
} else {
// value not found or not correct so set to default value
// which is disabled.
bReportEvents = FALSE;
// and try to save it back in the registry
localFlag = 0;
Status = RegSetValueEx(hKeyNames, ReportEventsToEventLog, 0,
REG_DWORD, (LPBYTE)&localFlag, sizeof(localFlag));
}
// get the window placement data
Size = sizeof(szWindowPlacement) ;
Status = RegQueryValueEx(hKeyNames, WindowKeyName, NULL,
&Type, (LPBYTE)szWindowPlacement, &Size) ;
RegCloseKey (hKeyNames) ;
if (Status == ERROR_SUCCESS)
{
int iNumScanned ;
iNumScanned = swscanf (szWindowPlacement,
TEXT("%d %d %d %d %d %d %d %d %d"),
&WindowPlacement.showCmd,
&WindowPlacement.ptMinPosition.x,
&WindowPlacement.ptMinPosition.y,
&WindowPlacement.ptMaxPosition.x,
&WindowPlacement.ptMaxPosition.y,
&WindowPlacement.rcNormalPosition.left,
&WindowPlacement.rcNormalPosition.top,
&WindowPlacement.rcNormalPosition.right,
&WindowPlacement.rcNormalPosition.bottom) ;
if (StartupInfo.dwFlags == STARTF_USESHOWWINDOW)
{
WindowPlacement.showCmd = StartupInfo.wShowWindow ;
}
WindowPlacement.length = sizeof(WINDOWPLACEMENT);
WindowPlacement.flags = WPF_SETMINPOSITION;
if (!SetWindowPlacement (hWnd, &WindowPlacement)) {
return (FALSE);
}
bPerfmonIconic = IsIconic(hWnd) ;
return (TRUE) ;
}
}
if (Status != ERROR_SUCCESS)
{
// open registry failed, use input from startup info or Max as default
if (StartupInfo.dwFlags == STARTF_USESHOWWINDOW)
{
ShowWindow (hWnd, StartupInfo.wShowWindow) ;
}
else
{
ShowWindow (hWnd, SW_SHOWMAXIMIZED) ;
}
return (FALSE) ;
}
else
return TRUE;
}
BOOL SaveMainWindowPlacement (HWND hWnd)
{
WINDOWPLACEMENT WindowPlacement ;
TCHAR ObjectType [2] ;
TCHAR szWindowPlacement [TEMP_BUF_LEN] ;
HKEY hKeyNames = 0 ;
DWORD Size ;
DWORD Status ;
DWORD dwDisposition ;
ObjectType [0] = TEXT(' ') ;
ObjectType [1] = TEXT('\0') ;
WindowPlacement.length = sizeof(WINDOWPLACEMENT);
if (!GetWindowPlacement (hWnd, &WindowPlacement)) {
return FALSE;
}
TSPRINTF (szWindowPlacement, TEXT("%d %d %d %d %d %d %d %d %d"),
WindowPlacement.showCmd,
WindowPlacement.ptMinPosition.x,
WindowPlacement.ptMinPosition.y,
WindowPlacement.ptMaxPosition.x,
WindowPlacement.ptMaxPosition.y,
WindowPlacement.rcNormalPosition.left,
WindowPlacement.rcNormalPosition.top,
WindowPlacement.rcNormalPosition.right,
WindowPlacement.rcNormalPosition.bottom) ;
// try to create it first
Status = RegCreateKeyEx(HKEY_CURRENT_USER, PerfmonNamesKey, 0L,
ObjectType, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS | KEY_WRITE,
NULL, &hKeyNames, &dwDisposition) ;
// if it has been created before, then open it
if (dwDisposition == REG_OPENED_EXISTING_KEY)
{
Status = RegOpenKeyEx(HKEY_CURRENT_USER, PerfmonNamesKey, 0L,
KEY_WRITE, &hKeyNames) ;
}
// we got the handle, now store the window placement data
if (Status == ERROR_SUCCESS)
{
Size = (lstrlen (szWindowPlacement) + 1) * sizeof (TCHAR) ;
Status = RegSetValueEx(hKeyNames, WindowKeyName, 0,
REG_SZ, (LPBYTE)szWindowPlacement, Size) ;
if (dwDisposition != REG_OPENED_EXISTING_KEY && Status == ERROR_SUCCESS)
{
// now add the DataTimeOut key for the first time
Status = RegSetValueEx(hKeyNames, TimeOutKeyName, 0,
REG_DWORD, (LPBYTE)&DataTimeOut, sizeof(DataTimeOut)) ;
}
RegCloseKey (hKeyNames) ;
}
return (Status == ERROR_SUCCESS) ;
}