proclist.c

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/*
 *  Gdi handle viewer
 *
 *  proclist.c
 *
 *  Copyright (C) 2007  Timo Kreuzer <timo <dot> kreuzer <at> reactos <dot> org>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
#include "gdihv.h"
 
VOID
ProcessList_Create(HWND hListCtrl)
{
    LVCOLUMN column;
 
    column.mask = LVCF_TEXT|LVCF_FMT|LVCF_WIDTH;
    column.fmt = LVCFMT_LEFT;
 
    column.pszText = L"Process";
    column.cx = 90;
    (void)ListView_InsertColumn(hListCtrl, 0, &column);
 
    column.pszText = L"ProcessID";
    column.cx = 90;
    (void)ListView_InsertColumn(hListCtrl, 1, &column);
    ProcessList_Update(hListCtrl);
}
 
VOID
ProcessList_Update(HWND hListCtrl)
{
    LV_ITEM item;
    DWORD ProcessIds[1024], BytesReturned;
    UINT cProcesses;
    HANDLE hProcess;
    WCHAR strText[MAX_PATH] = L"<unknown>";
    INT i;
 
    (void)ListView_DeleteAllItems(hListCtrl);
    memset(&item, 0, sizeof(LV_ITEM));
    item.mask = LVIF_TEXT|LVIF_PARAM;
    item.pszText = strText;
 
    /* Insert "kernel" */
    item.iItem = 0;
    item.lParam = 0;
    item.pszText = L"<Kernel>";
    (void)ListView_InsertItem(hListCtrl, &item);
    item.pszText = strText;
    wsprintf(strText, L"%#08x", 0);
    ListView_SetItemText(hListCtrl, 0, 1, strText);
 
    /* Insert "deleted" */
    item.iItem = 1;
    item.lParam = 1;
    item.pszText = L"<deleted>";
    (void)ListView_InsertItem(hListCtrl, &item);
    item.pszText = strText;
    wsprintf(strText, L"%#08x", 1);
    ListView_SetItemText(hListCtrl, 1, 1, strText);
 
    /* Insert "all" */
    item.iItem = 2;
    item.lParam = 2;
    item.pszText = L"<all>";
    (void)ListView_InsertItem(hListCtrl, &item);
    item.pszText = strText;
    wsprintf(strText, L"%#08x", 2);
    ListView_SetItemText(hListCtrl, 1, 1, strText);
 
    if (!EnumProcesses(ProcessIds, sizeof(ProcessIds), &BytesReturned ))
    {
        return;
    }
    cProcesses = BytesReturned / sizeof(DWORD);
    if (cProcesses <= 1)
    {
        return;
    }
    for (i = 1; i < cProcesses; i++)
    {
        wsprintf(strText, L"<unknown>");
        item.lParam = ProcessIds[i];
        item.iItem = ListView_GetItemCount(hListCtrl);
 
        hProcess = 0;
        /* FIXME: HACK: ROS crashes when using OpenProcess with PROCESS_VM_READ */
        hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, ProcessIds[i]);
        if (hProcess)
        {
            GetModuleBaseName(hProcess, NULL, (LPWSTR)strText, MAX_PATH );
            CloseHandle(hProcess);
        }
        (void)ListView_InsertItem(hListCtrl, &item);
 
        wsprintf(strText, L"%#08x", ProcessIds[i]);
        ListView_SetItemText(hListCtrl, item.iItem, 1, strText);
    }
}