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/licence.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     HICON hIconSm;
  16 } LIC_CONTEXT, *PLIC_CONTEXT;
  17
  18
  19 static BOOL
  20 OnInitDialog(HWND hDlg, PLIC_CONTEXT pLicInfo)
  21 {
  22     HRSRC hResInfo;
  23     HGLOBAL hResMem;
  24     PCSTR LicenseText;
  25
  26     pLicInfo->hIcon = LoadImage(hApplet,
  27                                 MAKEINTRESOURCE(IDI_LICENSE),
  28                                 IMAGE_ICON,
  29                                 GetSystemMetrics(SM_CXICON),
  30                                 GetSystemMetrics(SM_CYICON),
  31                                 LR_DEFAULTCOLOR);
  32     pLicInfo->hIconSm = LoadImage(hApplet,
  33                                   MAKEINTRESOURCE(IDI_LICENSE),
  34                                   IMAGE_ICON,
  35                                   GetSystemMetrics(SM_CXSMICON),
  36                                   GetSystemMetrics(SM_CYSMICON),
  37                                   LR_DEFAULTCOLOR);
  38
  39     SendMessage(hDlg, WM_SETICON, ICON_BIG, (LPARAM)pLicInfo->hIcon);
  40     SendMessage(hDlg, WM_SETICON, ICON_SMALL, (LPARAM)pLicInfo->hIconSm);
  41
  42     /* Load license from resource */
  43     if (!(hResInfo = FindResource(hApplet,
  44                                   MAKEINTRESOURCE(RC_LICENSE),
  45                                   MAKEINTRESOURCE(RTDATA))) ||
  46         !(hResMem = LoadResource(hApplet, hResInfo)) ||
  47         !(LicenseText = LockResource(hResMem)))
  48     {
  49         ShowLastWin32Error(hDlg);
  50         return FALSE;
  51     }
  52
  53     /* Insert the license into the edit control */
  54     SetDlgItemTextA(hDlg,
  55                     IDC_LICENCEEDIT,
  56                     LicenseText);
  57
  58     PostMessage(GetDlgItem(hDlg, IDC_LICENCEEDIT),
  59                 EM_SETSEL,
  60                 -1,
  61                 0);
  62     PostMessage(GetDlgItem(hDlg, IDC_LICENCEEDIT), WM_VSCROLL, SB_TOP, 0);
  63     return TRUE;
  64 }
  65
  66
  67 INT_PTR CALLBACK
  68 LicenceDlgProc(HWND hDlg,
  69                UINT uMsg,
  70                WPARAM wParam,
  71                LPARAM lParam)
  72 {
  73     PLIC_CONTEXT pLicInfo;
  74
  75     UNREFERENCED_PARAMETER(lParam);
  76
  77     pLicInfo = (PLIC_CONTEXT)GetWindowLongPtr(hDlg, DWLP_USER);
  78
  79     switch (uMsg)
  80     {
  81         case WM_INITDIALOG:
  82             pLicInfo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LIC_CONTEXT));
  83             if (pLicInfo == NULL)
  84             {
  85                 EndDialog(hDlg, 0);
  86                 return FALSE;
  87             }
  88             SetWindowLongPtr(hDlg, DWLP_USER, (LONG_PTR)pLicInfo);
  89             return OnInitDialog(hDlg, pLicInfo);
  90
  91         case WM_DESTROY:
  92             if (pLicInfo)
  93             {
  94                 if (pLicInfo->hIconSm)
  95                     DestroyIcon(pLicInfo->hIconSm);
  96
  97                 if (pLicInfo->hIcon)
  98                     DestroyIcon(pLicInfo->hIcon);
  99
 100                 HeapFree(GetProcessHeap(), 0, pLicInfo);
 101             }
 102             break;
 103
 104         case WM_COMMAND:
 105             if ((LOWORD(wParam) == IDOK) || (LOWORD(wParam) == IDCANCEL))
 106             {
 107                 EndDialog(hDlg,
 108                           LOWORD(wParam));
 109                 return TRUE;
 110             }
 111             break;
 112     }
 113
 114     return FALSE;
 115 }