rosapps/applications/devutils/gdihv/proclist.c

   1 /*
   2  *      Gdi handle viewer
   3  *
   4  *      proclist.c
   5  *
   6  *      Copyright (C) 2007      Timo Kreuzer <timo <dot> kreuzer <at> reactos <dot> org>
   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         (void)ListView_InsertColumn(hListCtrl, 0, &column);
  36
  37         column.pszText = L"ProcessID";
  38         column.cx = 90;
  39         (void)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;
  48         UINT cProcesses;
  49         HANDLE hProcess;
  50         WCHAR strText[MAX_PATH] = L"<unknown>";
  51         INT i;
  52
  53         (void)ListView_DeleteAllItems(hListCtrl);
  54         memset(&item, 0, sizeof(LV_ITEM));
  55         item.mask = LVIF_TEXT|LVIF_PARAM;
  56         item.pszText = strText;
  57
  58         /* Insert "kernel" */
  59         item.iItem = 0;
  60         item.lParam = 0;
  61         item.pszText = L"<Kernel>";
  62         (void)ListView_InsertItem(hListCtrl, &item);
  63         item.pszText = strText;
  64         wsprintf(strText, L"%#08x", 0);
  65         ListView_SetItemText(hListCtrl, 0, 1, strText);
  66
  67         /* Insert "deleted" */
  68         item.iItem = 1;
  69         item.lParam = 1;
  70         item.pszText = L"<deleted>";
  71         (void)ListView_InsertItem(hListCtrl, &item);
  72         item.pszText = strText;
  73         wsprintf(strText, L"%#08x", 1);
  74         ListView_SetItemText(hListCtrl, 1, 1, strText);
  75
  76         /* Insert "all" */
  77         item.iItem = 2;
  78         item.lParam = 2;
  79         item.pszText = L"<all>";
  80         (void)ListView_InsertItem(hListCtrl, &item);
  81         item.pszText = strText;
  82         wsprintf(strText, L"%#08x", 2);
  83         ListView_SetItemText(hListCtrl, 1, 1, strText);
  84
  85         if (!EnumProcesses(ProcessIds, sizeof(ProcessIds), &BytesReturned ))
  86         {
  87                 return;
  88         }
  89         cProcesses = BytesReturned / sizeof(DWORD);
  90         if (cProcesses <= 1)
  91         {
  92                 return;
  93         }
  94         for (i = 1; i < cProcesses; i++)
  95         {
  96                 wsprintf(strText, L"<unknown>");
  97                 item.lParam = ProcessIds[i];
  98                 item.iItem = ListView_GetItemCount(hListCtrl);
  99
 100                 hProcess = 0;
 101                 /* FIXME: HACK: ROS crashes when using OpenProcess with PROCESS_VM_READ */
 102                 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, ProcessIds[i]);
 103                 if (hProcess)
 104                 {
 105                         GetModuleBaseName(hProcess, NULL, (LPWSTR)strText, MAX_PATH );
 106                         CloseHandle(hProcess);
 107                 }
 108                 (void)ListView_InsertItem(hListCtrl, &item);
 109
 110                 wsprintf(strText, L"%#08x", ProcessIds[i]);
 111                 ListView_SetItemText(hListCtrl, item.iItem, 1, strText);
 112         }
 113 }