propsheet.c

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

  if (!lppsp)
    return FALSE;

  TRACE("\n");
  psInfo->proppage[index].hpage = (HPROPSHEETPAGE)lppsp;
  psInfo->proppage[index].hwndPage = 0;
  psInfo->proppage[index].isDirty = FALSE;

  /*
   * Process property page flags.
   */
  dwFlags = lppsp->dwFlags;
  psInfo->proppage[index].useCallback = (dwFlags & PSP_USECALLBACK) && (lppsp->pfnCallback);
  psInfo->proppage[index].hasHelp = dwFlags & PSP_HASHELP;
  psInfo->proppage[index].hasIcon = dwFlags & (PSP_USEHICON | PSP_USEICONID);

  /* as soon as we have a page with the help flag, set the sheet flag on */
  if (psInfo->proppage[index].hasHelp)
    psInfo->hasHelp = TRUE;

  /*
   * Process page template.
   */
  if (dwFlags & PSP_DLGINDIRECT)
    pTemplate = (DLGTEMPLATE*)lppsp->u.pResource;
  else if(dwFlags & PSP_INTERNAL_UNICODE )
  {
    HRSRC hResource = FindResourceW(lppsp->hInstance,
                                    lppsp->u.pszTemplate,
                                    (LPWSTR)RT_DIALOG);
    HGLOBAL hTemplate = LoadResource(lppsp->hInstance,
                                     hResource);
    pTemplate = (LPDLGTEMPLATEW)LockResource(hTemplate);
  }
  else
  {
    HRSRC hResource = FindResourceA(lppsp->hInstance,
                                    (LPSTR)lppsp->u.pszTemplate,
                                    (LPSTR)RT_DIALOG);
    HGLOBAL hTemplate = LoadResource(lppsp->hInstance,
                                     hResource);
    pTemplate = (LPDLGTEMPLATEA)LockResource(hTemplate);
  }

  /*
   * Extract the size of the page and the caption.
   */
  if (!pTemplate)
      return FALSE;

  p = (const WORD *)pTemplate;

  if (((MyDLGTEMPLATEEX*)pTemplate)->signature == 0xFFFF)
  {
    /* DLGTEMPLATEEX (not defined in any std. header file) */

    p++;       /* dlgVer    */
    p++;       /* signature */
    p += 2;    /* help ID   */
    p += 2;    /* ext style */
    p += 2;    /* style     */
  }
  else
  {
    /* DLGTEMPLATE */

    p += 2;    /* style     */
    p += 2;    /* ext style */
  }

  p++;    /* nb items */
  p++;    /*   x      */
  p++;    /*   y      */
  width  = (WORD)*p; p++;
  height = (WORD)*p; p++;

  /* Special calculation for interior wizard pages so the largest page is
   * calculated correctly. We need to add all the padding and space occupied
   * by the header so the width and height sums up to the whole wizard client
   * area. */
  if ((psInfo->ppshheader.dwFlags & (PSH_WIZARD97_OLD | PSH_WIZARD97_NEW)) &&
      (psInfo->ppshheader.dwFlags & PSH_HEADER) &&
      !(dwFlags & PSP_HIDEHEADER))
  {
      height += 2 * WIZARD_PADDING + WIZARD_HEADER_HEIGHT;
      width += 2 * WIZARD_PADDING;
  }
  if (psInfo->ppshheader.dwFlags & PSH_WIZARD)
  {
      height += 2 * WIZARD_PADDING;
      width += 2 * WIZARD_PADDING;
  }

  /* remember the largest width and height */
  if (width > psInfo->width)
    psInfo->width = width;

  if (height > psInfo->height)
    psInfo->height = height;

  /* menu */
  switch ((WORD)*p)
  {
    case 0x0000:
      p++;
      break;
    case 0xffff:
      p += 2;
      break;
    default:
      p += lstrlenW( (LPCWSTR)p ) + 1;
      break;
  }

  /* class */
  switch ((WORD)*p)
  {
    case 0x0000:
      p++;
      break;
    case 0xffff:
      p += 2;
      break;
    default:
      p += lstrlenW( (LPCWSTR)p ) + 1;
      break;
  }

  /* Extract the caption */
  psInfo->proppage[index].pszText = (LPCWSTR)p;
  TRACE("Tab %d %s\n",index,debugstr_w((LPCWSTR)p));
  p += lstrlenW((LPCWSTR)p) + 1;

  if (dwFlags & PSP_USETITLE)
  {
    WCHAR szTitle[256];
    const WCHAR *pTitle;
    static const WCHAR pszNull[] = { '(','n','u','l','l',')',0 };
    int len;

    if ( !HIWORD( lppsp->pszTitle ) )
    {
      if (!LoadStringW( lppsp->hInstance, (DWORD_PTR)lppsp->pszTitle,szTitle,sizeof(szTitle) ))
      {
        pTitle = pszNull;
	FIXME("Could not load resource #%04x?\n",LOWORD(lppsp->pszTitle));
      }
      else
        pTitle = szTitle;
    }
    else
      pTitle = lppsp->pszTitle;

    len = strlenW(pTitle);
    psInfo->proppage[index].pszText = Alloc( (len+1)*sizeof (WCHAR) );
    strcpyW( (LPWSTR)psInfo->proppage[index].pszText,pTitle);
  }

  /*
   * Build the image list for icons
   */
  if ((dwFlags & PSP_USEHICON) || (dwFlags & PSP_USEICONID))
  {
    HICON hIcon;
    int icon_cx = GetSystemMetrics(SM_CXSMICON);
    int icon_cy = GetSystemMetrics(SM_CYSMICON);

    if (dwFlags & PSP_USEICONID)
      hIcon = LoadImageW(lppsp->hInstance, lppsp->u2.pszIcon, IMAGE_ICON,
                         icon_cx, icon_cy, LR_DEFAULTCOLOR);
    else
      hIcon = lppsp->u2.hIcon;

    if ( hIcon )
    {
      if (psInfo->hImageList == 0 )
	psInfo->hImageList = ImageList_Create(icon_cx, icon_cy, ILC_COLOR, 1, 1);

      ImageList_AddIcon(psInfo->hImageList, hIcon);
    }

  }

  return TRUE;
}

/******************************************************************************
 *            PROPSHEET_CreateDialog
 *
 * Creates the actual property sheet.
 */
INT_PTR PROPSHEET_CreateDialog(PropSheetInfo* psInfo)
{
  LRESULT ret;
  LPCVOID template;
  LPVOID temp = 0;
  HRSRC hRes;
  DWORD resSize;
  WORD resID = IDD_PROPSHEET;

  TRACE("\n");
  if (psInfo->ppshheader.dwFlags & INTRNL_ANY_WIZARD)
    resID = IDD_WIZARD;

  if( psInfo->unicode )
  {
    if(!(hRes = FindResourceW(COMCTL32_hModule,
                            MAKEINTRESOURCEW(resID),
                            (LPWSTR)RT_DIALOG)))
      return -1;
  }
  else
  {
    if(!(hRes = FindResourceA(COMCTL32_hModule,
                            MAKEINTRESOURCEA(resID),
                            (LPSTR)RT_DIALOG)))
      return -1;
  }

  if(!(template = (LPVOID)LoadResource(COMCTL32_hModule, hRes)))
    return -1;

  /*
   * Make a copy of the dialog template.
   */
  resSize = SizeofResource(COMCTL32_hModule, hRes);

  temp = Alloc(resSize);

  if (!temp)
    return -1;

  memcpy(temp, template, resSize);

  if (psInfo->ppshheader.dwFlags & PSH_NOCONTEXTHELP)
  {
    if (((MyDLGTEMPLATEEX*)temp)->signature == 0xFFFF)
      ((MyDLGTEMPLATEEX*)temp)->style &= ~DS_CONTEXTHELP;
    else
      ((DLGTEMPLATE*)temp)->style &= ~DS_CONTEXTHELP;
  }
  if ((psInfo->ppshheader.dwFlags & INTRNL_ANY_WIZARD) &&
      (psInfo->ppshheader.dwFlags & PSH_WIZARDCONTEXTHELP))
  {
    if (((MyDLGTEMPLATEEX*)temp)->signature == 0xFFFF)
      ((MyDLGTEMPLATEEX*)temp)->style |= DS_CONTEXTHELP;
    else
      ((DLGTEMPLATE*)temp)->style |= DS_CONTEXTHELP;
  }

  if (psInfo->useCallback)
    (*(psInfo->ppshheader.pfnCallback))(0, PSCB_PRECREATE, (LPARAM)temp);

  /* NOTE: MSDN states "Returns a positive value if successful, or -1
   * otherwise for modal property sheets.", but this is wrong. The
   * actual return value is either TRUE (success), FALSE (cancel) or
   * -1 (error). */
  if( psInfo->unicode )
  {
    ret = (INT_PTR)CreateDialogIndirectParamW(psInfo->ppshheader.hInstance,
                                          (LPDLGTEMPLATEW) temp,
                                          psInfo->ppshheader.hwndParent,
                                          PROPSHEET_DialogProc,
                                          (LPARAM)psInfo);
    if ( !ret ) ret = -1;
  }
  else
  {
    ret = (INT_PTR)CreateDialogIndirectParamA(psInfo->ppshheader.hInstance,
                                          (LPDLGTEMPLATEA) temp,
                                          psInfo->ppshheader.hwndParent,
                                          PROPSHEET_DialogProc,
                                          (LPARAM)psInfo);
    if ( !ret ) ret = -1;
  }

  Free(temp);

  return ret;
}

/******************************************************************************
 *            PROPSHEET_SizeMismatch
 *
 *     Verify that the tab control and the "largest" property sheet page dlg. template
 *     match in size.
 */
static BOOL PROPSHEET_SizeMismatch(HWND hwndDlg, PropSheetInfo* psInfo)
{
  HWND hwndTabCtrl = GetDlgItem(hwndDlg, IDC_TABCONTROL);
  RECT rcOrigTab, rcPage;

  /*
   * Original tab size.
   */
  GetClientRect(hwndTabCtrl, &rcOrigTab);
  TRACE("orig tab %ld %ld %ld %ld\n", rcOrigTab.left, rcOrigTab.top,
        rcOrigTab.right, rcOrigTab.bottom);

  /*
   * Biggest page size.
   */
  rcPage.left   = 0;
  rcPage.top    = 0;
  rcPage.right  = psInfo->width;
  rcPage.bottom = psInfo->height;

  MapDialogRect(hwndDlg, &rcPage);
  TRACE("biggest page %ld %ld %ld %ld\n", rcPage.left, rcPage.top,
        rcPage.right, rcPage.bottom);

  if ( (rcPage.right - rcPage.left) != (rcOrigTab.right - rcOrigTab.left) )
    return TRUE;
  if ( (rcPage.bottom - rcPage.top) != (rcOrigTab.bottom - rcOrigTab.top) )
    return TRUE;

  return FALSE;
}

/******************************************************************************
 *            PROPSHEET_AdjustSize
 *
 * Resizes the property sheet and the tab control to fit the largest page.
 */
static BOOL PROPSHEET_AdjustSize(HWND hwndDlg, PropSheetInfo* psInfo)
{
  HWND hwndTabCtrl = GetDlgItem(hwndDlg, IDC_TABCONTROL);
  HWND hwndButton = GetDlgItem(hwndDlg, IDOK);
  RECT rc,tabRect;
  int tabOffsetX, tabOffsetY, buttonHeight;
  PADDING_INFO padding = PROPSHEET_GetPaddingInfo(hwndDlg);
  RECT units;

  /* Get the height of buttons */
  GetClientRect(hwndButton, &rc);
  buttonHeight = rc.bottom;

  /*
   * Biggest page size.
   */
  rc.left   = 0;
  rc.top    = 0;
  rc.right  = psInfo->width;
  rc.bottom = psInfo->height;

  MapDialogRect(hwndDlg, &rc);

  /* retrieve the dialog units */
  units.left = units.right = 4;
  units.top = units.bottom = 8;
  MapDialogRect(hwndDlg, &units);

  /*
   * Resize the tab control.
   */
  GetClientRect(hwndTabCtrl,&tabRect);

  SendMessageW(hwndTabCtrl, TCM_ADJUSTRECT, FALSE, (LPARAM)&tabRect);

  if ((rc.bottom - rc.top) < (tabRect.bottom - tabRect.top))
  {
      rc.bottom = rc.top + tabRect.bottom - tabRect.top;
      psInfo->height = MulDiv((rc.bottom - rc.top),8,units.top);
  }

  if ((rc.right - rc.left) < (tabRect.right - tabRect.left))
  {
      rc.right = rc.left + tabRect.right - tabRect.left;
      psInfo->width  = MulDiv((rc.right - rc.left),4,units.left);
  }

  SendMessageW(hwndTabCtrl, TCM_ADJUSTRECT, TRUE, (LPARAM)&rc);

  tabOffsetX = -(rc.left);
  tabOffsetY = -(rc.top);

  rc.right -= rc.left;
  rc.bottom -= rc.top;
  TRACE("setting tab %p, rc (0,0)-(%ld,%ld)\n",
        hwndTabCtrl, rc.right, rc.bottom);
  SetWindowPos(hwndTabCtrl, 0, 0, 0, rc.right, rc.bottom,
               SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);

  GetClientRect(hwndTabCtrl, &rc);

  TRACE("tab client rc %ld %ld %ld %ld\n",
        rc.left, rc.top, rc.right, rc.bottom);

  rc.right += ((padding.x * 2) + tabOffsetX);
  rc.bottom += (buttonHeight + (3 * padding.y) + tabOffsetY);

  /*
   * Resize the property sheet.
   */
  TRACE("setting dialog %p, rc (0,0)-(%ld,%ld)\n",
        hwndDlg, rc.right, rc.bottom);
  SetWindowPos(hwndDlg, 0, 0, 0, rc.right, rc.bottom,
               SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
  return TRUE;
}

/******************************************************************************
 *            PROPSHEET_AdjustSizeWizard
 *
 * Resizes the property sheet to fit the largest page.
 */
static BOOL PROPSHEET_AdjustSizeWizard(HWND hwndDlg, PropSheetInfo* psInfo)
{
  HWND hwndLine = GetDlgItem(hwndDlg, IDC_SUNKEN_LINE);
  RECT rc, lineRect, dialogRect;

  /* Biggest page size */
  rc.left   = 0;
  rc.top    = 0;
  rc.right  = psInfo->width;
  rc.bottom = psInfo->height;
  MapDialogRect(hwndDlg, &rc);

  TRACE("Biggest page %ld %ld %ld %ld\n", rc.left, rc.top, rc.right, rc.bottom);

  /* Add space for the buttons row */
  GetWindowRect(hwndLine, &lineRect);
  MapWindowPoints(NULL, hwndDlg, (LPPOINT)&lineRect, 2);
  GetClientRect(hwndDlg, &dialogRect);
  rc.bottom += dialogRect.bottom - lineRect.top - 1;

  /* Convert the client coordinates to window coordinates */
  AdjustWindowRect(&rc, GetWindowLongW(hwndDlg, GWL_STYLE), FALSE);

  /* Resize the property sheet */
  TRACE("setting dialog %p, rc (0,0)-(%ld,%ld)\n",
        hwndDlg, rc.right, rc.bottom);
  SetWindowPos(hwndDlg, 0, 0, 0, rc.right - rc.left, rc.bottom - rc.top,
               SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);

  return TRUE;
}

/******************************************************************************
 *            PROPSHEET_AdjustButtons
 *
 * Adjusts the buttons' positions.
 */
static BOOL PROPSHEET_AdjustButtons(HWND hwndParent, PropSheetInfo* psInfo)
{
  HWND hwndButton = GetDlgItem(hwndParent, IDOK);
  RECT rcSheet;
  int x, y;
  int num_buttons = 2;
  int buttonWidth, buttonHeight;
  PADDING_INFO padding = PROPSHEET_GetPaddingInfo(hwndParent);

  if (psInfo->hasApply)
    num_buttons++;