propsheet.c

来自「一个类似windows」· C语言 代码 · 共 2,269 行 · 第 1/5 页

   * that are following the DLGTEMPLATE(EX) data */
  TRACE("%d items\n",nrofitems);
  while (nrofitems > 0)
    {
      p = (WORD*)(((DWORD_PTR)p + 3) & ~3); /* DWORD align */
      
      /* skip header */
      p += (istemplateex ? sizeof(MyDLGITEMTEMPLATEEX) : sizeof(DLGITEMTEMPLATE))/sizeof(WORD);
      
      /* check class */
      switch ((WORD)*p)
	{
	case 0x0000:
	  p++;
	  break;
	case 0xffff:
	  TRACE("class ordinal 0x%08lx\n",*(DWORD*)p);
	  p += 2;
	  break;
	default:
	  TRACE("class %s\n",debugstr_w((LPCWSTR)p));
	  p += lstrlenW( (LPCWSTR)p ) + 1;
	  break;
	}

      /* check title text */
      switch ((WORD)*p)
	{
	case 0x0000:
	  p++;
	  break;
	case 0xffff:
	  TRACE("text ordinal 0x%08lx\n",*(DWORD*)p);
	  p += 2;
	  break;
	default:
	  TRACE("text %s\n",debugstr_w((LPCWSTR)p));
	  p += lstrlenW( (LPCWSTR)p ) + 1;
	  break;
	}
      p += *p / sizeof(WORD) + 1;    /* Skip extra data */
      --nrofitems;
    }
  
  TRACE("%p %p size 0x%08x\n",p, (WORD*)pTemplate,sizeof(WORD)*(p - (WORD*)pTemplate));
  return (p - (WORD*)pTemplate)*sizeof(WORD);
  
}

/******************************************************************************
 *            PROPSHEET_CreatePage
 *
 * Creates a page.
 */
static BOOL PROPSHEET_CreatePage(HWND hwndParent,
                                int index,
                                const PropSheetInfo * psInfo,
                                LPCPROPSHEETPAGEW ppshpage)
{
  DLGTEMPLATE* pTemplate;
  HWND hwndPage;
  DWORD resSize;
  LPVOID temp = NULL;

  TRACE("index %d\n", index);

  if (ppshpage == NULL)
  {
    return FALSE;
  }

  if (ppshpage->dwFlags & PSP_DLGINDIRECT)
    {
      pTemplate = (DLGTEMPLATE*)ppshpage->u.pResource;
      resSize = GetTemplateSize(pTemplate);
    }
  else if(ppshpage->dwFlags & PSP_INTERNAL_UNICODE)
  {
    HRSRC hResource;
    HANDLE hTemplate;

    hResource = FindResourceW(ppshpage->hInstance,
                                    ppshpage->u.pszTemplate,
                                    (LPWSTR)RT_DIALOG);
    if(!hResource)
	return FALSE;

    resSize = SizeofResource(ppshpage->hInstance, hResource);

    hTemplate = LoadResource(ppshpage->hInstance, hResource);
    if(!hTemplate)
	return FALSE;

    pTemplate = (LPDLGTEMPLATEW)LockResource(hTemplate);
    /*
     * Make a copy of the dialog template to make it writable
     */
  }
  else
  {
    HRSRC hResource;
    HANDLE hTemplate;

    hResource = FindResourceA(ppshpage->hInstance,
                                    (LPSTR)ppshpage->u.pszTemplate,
                                    (LPSTR)RT_DIALOG);
    if(!hResource)
	return FALSE;

    resSize = SizeofResource(ppshpage->hInstance, hResource);

    hTemplate = LoadResource(ppshpage->hInstance, hResource);
    if(!hTemplate)
	return FALSE;

    pTemplate = (LPDLGTEMPLATEA)LockResource(hTemplate);
    /*
     * Make a copy of the dialog template to make it writable
     */
  }
  temp = Alloc(resSize);
  if (!temp)
    return FALSE;
  
  TRACE("copying pTemplate %p into temp %p (%ld)\n", pTemplate, temp, resSize);
  memcpy(temp, pTemplate, resSize);
  pTemplate = temp;

  if (((MyDLGTEMPLATEEX*)pTemplate)->signature == 0xFFFF)
  {
    ((MyDLGTEMPLATEEX*)pTemplate)->style |= WS_CHILD | WS_TABSTOP | DS_CONTROL;
    ((MyDLGTEMPLATEEX*)pTemplate)->style &= ~DS_MODALFRAME;
    ((MyDLGTEMPLATEEX*)pTemplate)->style &= ~WS_CAPTION;
    ((MyDLGTEMPLATEEX*)pTemplate)->style &= ~WS_SYSMENU;
    ((MyDLGTEMPLATEEX*)pTemplate)->style &= ~WS_POPUP;
    ((MyDLGTEMPLATEEX*)pTemplate)->style &= ~WS_DISABLED;
    ((MyDLGTEMPLATEEX*)pTemplate)->style &= ~WS_VISIBLE;
    ((MyDLGTEMPLATEEX*)pTemplate)->style &= ~WS_THICKFRAME;

    ((MyDLGTEMPLATEEX*)pTemplate)->exStyle |= WS_EX_CONTROLPARENT;
  }
  else
  {
    pTemplate->style |= WS_CHILD | WS_TABSTOP | DS_CONTROL;
    pTemplate->style &= ~DS_MODALFRAME;
    pTemplate->style &= ~WS_CAPTION;
    pTemplate->style &= ~WS_SYSMENU;
    pTemplate->style &= ~WS_POPUP;
    pTemplate->style &= ~WS_DISABLED;
    pTemplate->style &= ~WS_VISIBLE;
    pTemplate->style &= ~WS_THICKFRAME;

    pTemplate->dwExtendedStyle |= WS_EX_CONTROLPARENT;
  }

  if (psInfo->proppage[index].useCallback)
    (*(ppshpage->pfnCallback))(0, PSPCB_CREATE,
                               (LPPROPSHEETPAGEW)ppshpage);

  if(ppshpage->dwFlags & PSP_INTERNAL_UNICODE)
     hwndPage = CreateDialogIndirectParamW(ppshpage->hInstance,
					pTemplate,
					hwndParent,
					ppshpage->pfnDlgProc,
					(LPARAM)ppshpage);
  else
     hwndPage = CreateDialogIndirectParamA(ppshpage->hInstance,
					pTemplate,
					hwndParent,
					ppshpage->pfnDlgProc,
					(LPARAM)ppshpage);
  /* Free a no more needed copy */
  if(temp)
      Free(temp);

  psInfo->proppage[index].hwndPage = hwndPage;

  /* Subclass exterior wizard pages */
  if((psInfo->ppshheader.dwFlags & (PSH_WIZARD97_NEW | PSH_WIZARD97_OLD)) &&
     (psInfo->ppshheader.dwFlags & PSH_WATERMARK) &&
     (ppshpage->dwFlags & PSP_HIDEHEADER))
  {
      SetWindowSubclass(hwndPage, PROPSHEET_WizardSubclassProc, 1,
                        (DWORD_PTR)ppshpage);
  }
  if (!(psInfo->ppshheader.dwFlags & INTRNL_ANY_WIZARD))
      EnableThemeDialogTexture (hwndPage, ETDT_ENABLETAB);

  return TRUE;
}

/******************************************************************************
 *            PROPSHEET_LoadWizardBitmaps
 *
 * Loads the watermark and header bitmaps for a wizard.
 */
static VOID PROPSHEET_LoadWizardBitmaps(PropSheetInfo *psInfo)
{
  if (psInfo->ppshheader.dwFlags & (PSH_WIZARD97_NEW | PSH_WIZARD97_OLD))
  {
    /* if PSH_USEHBMWATERMARK is not set, load the resource from pszbmWatermark 
       and put the HBITMAP in hbmWatermark. Thus all the rest of the code always 
       considers hbmWatermark as valid. */
    if ((psInfo->ppshheader.dwFlags & PSH_WATERMARK) &&
        !(psInfo->ppshheader.dwFlags & PSH_USEHBMWATERMARK))
    {
      ((PropSheetInfo *)psInfo)->ppshheader.u4.hbmWatermark = 
        CreateMappedBitmap(psInfo->ppshheader.hInstance, (INT_PTR)psInfo->ppshheader.u4.pszbmWatermark, 0, NULL, 0);
    }

    /* Same behavior as for watermarks */
    if ((psInfo->ppshheader.dwFlags & PSH_HEADER) &&
        !(psInfo->ppshheader.dwFlags & PSH_USEHBMHEADER))
    {
      ((PropSheetInfo *)psInfo)->ppshheader.u5.hbmHeader = 
        CreateMappedBitmap(psInfo->ppshheader.hInstance, (INT_PTR)psInfo->ppshheader.u5.pszbmHeader, 0, NULL, 0);
    }
  }
}


/******************************************************************************
 *            PROPSHEET_ShowPage
 *
 * Displays or creates the specified page.
 */
static BOOL PROPSHEET_ShowPage(HWND hwndDlg, int index, PropSheetInfo * psInfo)
{
  HWND hwndTabCtrl;
  HWND hwndLineHeader;
  LPCPROPSHEETPAGEW ppshpage;

  TRACE("active_page %d, index %d\n", psInfo->active_page, index);
  if (index == psInfo->active_page)
  {
      if (GetTopWindow(hwndDlg) != psInfo->proppage[index].hwndPage)
          SetWindowPos(psInfo->proppage[index].hwndPage, HWND_TOP, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE);
      return TRUE;
  }

  ppshpage = (LPCPROPSHEETPAGEW)psInfo->proppage[index].hpage;
  if (psInfo->proppage[index].hwndPage == 0)
  {
     PROPSHEET_CreatePage(hwndDlg, index, psInfo, ppshpage);
  }

  if ((psInfo->ppshheader.dwFlags & INTRNL_ANY_WIZARD) &&
      (ppshpage->dwFlags & PSP_USETITLE))
  {
     PROPSHEET_SetTitleW(hwndDlg, psInfo->ppshheader.dwFlags,
                         psInfo->proppage[index].pszText);
  }

  if (psInfo->active_page != -1)
     ShowWindow(psInfo->proppage[psInfo->active_page].hwndPage, SW_HIDE);

  ShowWindow(psInfo->proppage[index].hwndPage, SW_SHOW);

  /* Synchronize current selection with tab control
   * It seems to be needed even in case of PSH_WIZARD (no tab controls there) */
  hwndTabCtrl = GetDlgItem(hwndDlg, IDC_TABCONTROL);
  SendMessageW(hwndTabCtrl, TCM_SETCURSEL, index, 0);

  psInfo->active_page = index;
  psInfo->activeValid = TRUE;

  if (psInfo->ppshheader.dwFlags & (PSH_WIZARD97_OLD | PSH_WIZARD97_NEW) )
  {
      hwndLineHeader = GetDlgItem(hwndDlg, IDC_SUNKEN_LINEHEADER);
      ppshpage = (LPCPROPSHEETPAGEW)psInfo->proppage[index].hpage;
      
      if ((ppshpage->dwFlags & PSP_HIDEHEADER) || (!(psInfo->ppshheader.dwFlags & PSH_HEADER)) )
	  ShowWindow(hwndLineHeader, SW_HIDE);
      else
	  ShowWindow(hwndLineHeader, SW_SHOW);
  }

  return TRUE;
}

/******************************************************************************
 *            PROPSHEET_Back
 */
static BOOL PROPSHEET_Back(HWND hwndDlg)
{
  PSHNOTIFY psn;
  HWND hwndPage;
  PropSheetInfo* psInfo = (PropSheetInfo*) GetPropW(hwndDlg,
                                                    PropSheetInfoStr);
  LRESULT result;
  int idx;

  TRACE("active_page %d\n", psInfo->active_page);
  if (psInfo->active_page < 0)
     return FALSE;

  psn.hdr.code     = PSN_WIZBACK;
  psn.hdr.hwndFrom = hwndDlg;
  psn.hdr.idFrom   = 0;
  psn.lParam       = 0;

  hwndPage = psInfo->proppage[psInfo->active_page].hwndPage;

  result = SendMessageW(hwndPage, WM_NOTIFY, 0, (LPARAM) &psn);
  if (result == -1)
    return FALSE;
  else if (result == 0)
     idx = psInfo->active_page - 1;
  else
     idx = PROPSHEET_FindPageByResId(psInfo, result);

  if (idx >= 0 && idx < psInfo->nPages)
  {
     if (PROPSHEET_CanSetCurSel(hwndDlg))
        PROPSHEET_SetCurSel(hwndDlg, idx, -1, 0);
  }
  return TRUE;
}

/******************************************************************************
 *            PROPSHEET_Next
 */
static BOOL PROPSHEET_Next(HWND hwndDlg)
{
  PSHNOTIFY psn;
  HWND hwndPage;
  LRESULT msgResult = 0;
  PropSheetInfo* psInfo = (PropSheetInfo*) GetPropW(hwndDlg,
                                                    PropSheetInfoStr);
  int idx;

  TRACE("active_page %d\n", psInfo->active_page);
  if (psInfo->active_page < 0)
     return FALSE;

  psn.hdr.code     = PSN_WIZNEXT;
  psn.hdr.hwndFrom = hwndDlg;
  psn.hdr.idFrom   = 0;
  psn.lParam       = 0;

  hwndPage = psInfo->proppage[psInfo->active_page].hwndPage;

  msgResult = SendMessageW(hwndPage, WM_NOTIFY, 0, (LPARAM) &psn);
  if (msgResult == -1)
    return FALSE;
  else if (msgResult == 0)
     idx = psInfo->active_page + 1;
  else
     idx = PROPSHEET_FindPageByResId(psInfo, msgResult);

  if (idx < psInfo->nPages )
  {
     if (PROPSHEET_CanSetCurSel(hwndDlg) != FALSE)
        PROPSHEET_SetCurSel(hwndDlg, idx, 1, 0);
  }

  return TRUE;
}

/******************************************************************************
 *            PROPSHEET_Finish
 */
static BOOL PROPSHEET_Finish(HWND hwndDlg)
{
  PSHNOTIFY psn;
  HWND hwndPage;
  LRESULT msgResult = 0;
  PropSheetInfo* psInfo = (PropSheetInfo*) GetPropW(hwndDlg,
                                                    PropSheetInfoStr);

  TRACE("active_page %d\n", psInfo->active_page);
  if (psInfo->active_page < 0)
     return FALSE;

  psn.hdr.code     = PSN_WIZFINISH;
  psn.hdr.hwndFrom = hwndDlg;
  psn.hdr.idFrom   = 0;
  psn.lParam       = 0;

  hwndPage = psInfo->proppage[psInfo->active_page].hwndPage;

  msgResult = SendMessageW(hwndPage, WM_NOTIFY, 0, (LPARAM) &psn);

  TRACE("msg result %ld\n", msgResult);

  if (msgResult != 0)
    return FALSE;

  if (psInfo->isModeless)
    psInfo->activeValid = FALSE;
  else
    psInfo->ended = TRUE;

  return TRUE;
}

/******************************************************************************
 *            PROPSHEET_Apply
 */
static BOOL PROPSHEET_Apply(HWND hwndDlg, LPARAM lParam)
{
  int i;
  HWND hwndPage;
  PSHNOTIFY psn;
  PropSheetInfo* psInfo = (PropSheetInfo*) GetPropW(hwndDlg,
                                                    PropSheetInfoStr);

  TRACE("active_page %d\n", psInfo->active_page);
  if (psInfo->active_page < 0)
     return FALSE;

  psn.hdr.hwndFrom = hwndDlg;
  psn.hdr.idFrom   = 0;
  psn.lParam       = 0;


  /*
   * Send PSN_KILLACTIVE to the current page.
   */
  psn.hdr.code = PSN_KILLACTIVE;

  hwndPage = psInfo->proppage[psInfo->active_page].hwndPage;

  if (SendMessageW(hwndPage, WM_NOTIFY, 0, (LPARAM) &psn) != FALSE)
    return FALSE;

  /*
   * Send PSN_APPLY to all pages.
   */
  psn.hdr.code = PSN_APPLY;
  psn.lParam   = lParam;

  for (i = 0; i < psInfo->nPages; i++)
  {
    hwndPage = psInfo->proppage[i].hwndPage;
    if (hwndPage)
    {
       switch (SendMessageW(hwndPage, WM_NOTIFY, 0, (LPARAM) &psn))
       {
       case PSNRET_INVALID:
           PROPSHEET_ShowPage(hwndDlg, i, psInfo);
           /* fall through */
       case PSNRET_INVALID_NOCHANGEPAGE:
           return FALSE;
       }
    }
  }

  if(lParam)
  {
     psInfo->activeValid = FALSE;
  }
  else if(psInfo->active_page >= 0)
  {