dll/cpl/sysdm/licence.c

   1 /*
   2  * PROJECT:     ReactOS System Control Panel Applet
   3  * LICENSE:     GPL - See COPYING in the top level directory
   4  * FILE:        dll/cpl/sysdm/general.c
   5  * PURPOSE:     Licence dialog box message handler
   6  * COPYRIGHT:   Copyright 2006 Ged Murphy <gedmurphy@gmail.com>
   7  *
   8  */
   9
  10 #include "precomp.h"
  11
  12 typedef struct _LIC_CONTEXT
  13 {
  14     HICON hIcon;
  15 } LIC_CONTEXT, *PLIC_CONTEXT;
  16
  17
  18 static BOOL
  19 OnInitDialog(HWND hDlg, PLIC_CONTEXT pLicInfo)
  20 {
  21     HRSRC hResInfo;
  22     HGLOBAL hResMem;
  23     WCHAR *LicenseText;
  24
  25     pLicInfo->hIcon = LoadImage(hApplet,
  26                                 MAKEINTRESOURCE(IDI_CPLSYSTEM),
  27                                 IMAGE_ICON,
  28                                 16,
  29                                 16,
  30                                 0);
  31
  32     SendMessage(hDlg,
  33                 WM_SETICON,
  34                 ICON_SMALL,
  35                 (LPARAM)pLicInfo->hIcon);
  36
  37     /* Load license from resource */
  38     if (!(hResInfo = FindResource(hApplet,
  39                                   MAKEINTRESOURCE(RC_LICENSE),
  40                                   MAKEINTRESOURCE(RTDATA))) ||
  41         !(hResMem = LoadResource(hApplet, hResInfo)) ||
  42         !(LicenseText = LockResource(hResMem)))
  43     {
  44         ShowLastWin32Error(hDlg);
  45         return FALSE;
  46     }
  47
  48     /* Insert the license into the edit control (unicode!) */
  49     SetDlgItemText(hDlg,
  50                    IDC_LICENCEEDIT,
  51                    LicenseText);
  52
  53     PostMessage(GetDlgItem(hDlg, IDC_LICENCEEDIT),
  54                 EM_SETSEL,
  55                 -1,
  56                 0);
  57     PostMessage(GetDlgItem(hDlg, IDC_LICENCEEDIT), WM_VSCROLL, SB_TOP, 0);
  58     return TRUE;
  59 }
  60
  61
  62 INT_PTR CALLBACK
  63 LicenceDlgProc(HWND hDlg,
  64                UINT uMsg,
  65                WPARAM wParam,
  66                LPARAM lParam)
  67 {
  68     PLIC_CONTEXT pLicInfo;
  69
  70     UNREFERENCED_PARAMETER(lParam);
  71
  72     pLicInfo = (PLIC_CONTEXT)GetWindowLongPtr(hDlg, DWLP_USER);
  73
  74     switch (uMsg)
  75     {
  76         case WM_INITDIALOG:
  77             pLicInfo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LIC_CONTEXT));
  78             if (pLicInfo == NULL)
  79             {
  80                 EndDialog(hDlg, 0);
  81                 return FALSE;
  82             }
  83             SetWindowLongPtr(hDlg, DWLP_USER, (LONG_PTR)pLicInfo);
  84             return OnInitDialog(hDlg, pLicInfo);
  85
  86         case WM_DESTROY:
  87             if (pLicInfo)
  88             {
  89                 DestroyIcon(pLicInfo->hIcon);
  90                 HeapFree(GetProcessHeap(), 0, pLicInfo);
  91             }
  92             break;
  93
  94         case WM_COMMAND:
  95             if ((LOWORD(wParam) == IDOK) || (LOWORD(wParam) == IDCANCEL))
  96             {
  97                 EndDialog(hDlg,
  98                           LOWORD(wParam));
  99                 return TRUE;
 100             }
 101             break;
 102     }
 103
 104     return FALSE;
 105 }