rosapps/devutils/gdihv/proclist.c

   1 /*
   2  *      Gdi handle viewer
   3  *
   4  *      proclist.c
   5  *
   6  *      Copyright (C) 2007      Timo kreuzer <timo <dot> kreuzer <at> web.de>
   7  *
   8  *      This program is free software; you can redistribute it and/or modify
   9  *      it under the terms of the GNU General Public License as published by
  10  *      the Free Software Foundation; either version 2 of the License, or
  11  *      (at your option) any later version.
  12  *
  13  *      This program is distributed in the hope that it will be useful,
  14  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *      GNU General Public License for more details.
  17  *
  18  *      You should have received a copy of the GNU General Public License
  19  *      along with this program; if not, write to the Free Software
  20  *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include "gdihv.h"
  24
  25 VOID
  26 ProcessList_Create(HWND hListCtrl)
  27 {
  28         LVCOLUMN column;
  29
  30         column.mask = LVCF_TEXT|LVCF_FMT|LVCF_WIDTH;
  31         column.fmt = LVCFMT_LEFT;
  32
  33         column.pszText = L"Process";
  34         column.cx = 90;
  35         ListView_InsertColumn(hListCtrl, 0, &column);
  36
  37         column.pszText = L"ProcessID";
  38         column.cx = 90;
  39         ListView_InsertColumn(hListCtrl, 1, &column);
  40         ProcessList_Update(hListCtrl);
  41 }
  42
  43 VOID
  44 ProcessList_Update(HWND hListCtrl)
  45 {
  46         LV_ITEM item;
  47         DWORD ProcessIds[1024], BytesReturned, cProcesses;
  48         HANDLE hProcess;
  49         WCHAR strText[MAX_PATH] = L"<unknown>";
  50         INT i;
  51
  52         ListView_DeleteAllItems(hListCtrl);
  53         memset(&item, 0, sizeof(LV_ITEM));
  54         item.mask = LVIF_TEXT|LVIF_PARAM;
  55         item.pszText = strText;
  56
  57         /* Insert "kernel" */
  58         item.iItem = 0;
  59         item.lParam = 0;
  60         item.pszText = L"<Kernel>";
  61         ListView_InsertItem(hListCtrl, &item);
  62         item.pszText = strText;
  63         wsprintf(strText, L"%#08x", 0);
  64         ListView_SetItemText(hListCtrl, 0, 1, strText);
  65
  66         if (!EnumProcesses(ProcessIds, sizeof(ProcessIds), &BytesReturned ))
  67         {
  68                 return;
  69         }
  70         cProcesses = BytesReturned / sizeof(DWORD);
  71         if (cProcesses == 0)
  72         {
  73                 return;
  74         }
  75         for (i = 0; i < cProcesses; i++)
  76         {
  77                 wsprintf(strText, L"<unknown>");
  78                 item.lParam = ProcessIds[i];
  79                 item.iItem = ListView_GetItemCount(hListCtrl);
  80
  81                 hProcess = 0;
  82                 /* FIXME: HACK: ROS crashes when using OpenProcess with PROCESS_VM_READ */
  83 //              hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, ProcessIds[i]);
  84                 if (hProcess)
  85                 {
  86                         GetModuleBaseName(hProcess, NULL, (LPWSTR)strText, MAX_PATH );
  87                         CloseHandle(hProcess);
  88                 }
  89                 ListView_InsertItem(hListCtrl, &item);
  90
  91                 wsprintf(strText, L"%#08x", ProcessIds[i]);
  92                 ListView_SetItemText(hListCtrl, item.iItem, 1, strText);
  93         }
  94 }