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/*
* ReactOS Task Manager
*
* priority.c
*
* Copyright (C) 1999 - 2001 Brian Palmer <brianp@reactos.org>
* Copyright (C) 2008 Vladimir Pankratov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <commctrl.h>
#include <winnt.h>
#include "taskmgr.h"
#include "perfdata.h"
static void DoSetPriority(DWORD priority)
{
LVITEMW lvitem;
ULONG Index, Count;
DWORD dwProcessId;
HANDLE hProcess;
WCHAR wstrErrorText[256];
WCHAR wszWarnMsg[255];
WCHAR wszWarnTitle[255];
WCHAR wszUnable2Change[255];
LoadStringW(hInst, IDS_PRIORITY_CHANGE_MESSAGE, wszWarnMsg, ARRAY_SIZE(wszWarnMsg));
LoadStringW(hInst, IDS_WARNING_TITLE, wszWarnTitle, ARRAY_SIZE(wszWarnTitle));
LoadStringW(hInst, IDS_PRIORITY_UNABLE2CHANGE, wszUnable2Change, ARRAY_SIZE(wszUnable2Change));
Count = SendMessageW(hProcessPageListCtrl, LVM_GETITEMCOUNT, 0, 0);
for (Index=0; Index<Count; Index++)
{
lvitem.mask = LVIF_STATE;
lvitem.stateMask = LVIS_SELECTED;
lvitem.iItem = Index;
lvitem.iSubItem = 0;
SendMessageW(hProcessPageListCtrl, LVM_GETITEMW, 0, (LPARAM)&lvitem);
if (lvitem.state & LVIS_SELECTED)
break;
}
Count = SendMessageW(hProcessPageListCtrl, LVM_GETSELECTEDCOUNT, 0, 0);
dwProcessId = PerfDataGetProcessId(Index);
if ((Count != 1) || (dwProcessId == 0))
return;
if (MessageBoxW(hMainWnd, wszWarnMsg, wszWarnTitle, MB_YESNO|MB_ICONWARNING) != IDYES)
return;
hProcess = OpenProcess(PROCESS_SET_INFORMATION, FALSE, dwProcessId);
if (!hProcess)
{
GetLastErrorText(wstrErrorText, ARRAY_SIZE(wstrErrorText));
MessageBoxW(hMainWnd, wstrErrorText, wszUnable2Change, MB_OK|MB_ICONSTOP);
return;
}
if (!SetPriorityClass(hProcess, priority))
{
GetLastErrorText(wstrErrorText, ARRAY_SIZE(wstrErrorText));
MessageBoxW(hMainWnd, wstrErrorText, wszUnable2Change, MB_OK|MB_ICONSTOP);
}
CloseHandle(hProcess);
}
void ProcessPage_OnSetPriorityRealTime(void)
{
DoSetPriority(REALTIME_PRIORITY_CLASS);
}
void ProcessPage_OnSetPriorityHigh(void)
{
DoSetPriority(HIGH_PRIORITY_CLASS);
}
void ProcessPage_OnSetPriorityAboveNormal(void)
{
DoSetPriority(ABOVE_NORMAL_PRIORITY_CLASS);
}
void ProcessPage_OnSetPriorityNormal(void)
{
DoSetPriority(NORMAL_PRIORITY_CLASS);
}
void ProcessPage_OnSetPriorityBelowNormal(void)
{
DoSetPriority(BELOW_NORMAL_PRIORITY_CLASS);
}
void ProcessPage_OnSetPriorityLow(void)
{
DoSetPriority(IDLE_PRIORITY_CLASS);
}
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