propsheet.c

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

     psn.hdr.code = PSN_SETACTIVE;
     psn.lParam   = 0;
     hwndPage = psInfo->proppage[psInfo->active_page].hwndPage;
     SendMessageW(hwndPage, WM_NOTIFY, 0, (LPARAM) &psn);
  }

  return TRUE;
}

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

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

  hwndPage = psInfo->proppage[psInfo->active_page].hwndPage;
  psn.hdr.code     = PSN_QUERYCANCEL;
  psn.hdr.hwndFrom = hwndDlg;
  psn.hdr.idFrom   = 0;
  psn.lParam       = 0;

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

  psn.hdr.code = PSN_RESET;
  psn.lParam   = lParam;

  for (i = 0; i < psInfo->nPages; i++)
  {
    hwndPage = psInfo->proppage[i].hwndPage;

    if (hwndPage)
       SendMessageW(hwndPage, WM_NOTIFY, 0, (LPARAM) &psn);
  }

  if (psInfo->isModeless)
  {
     /* makes PSM_GETCURRENTPAGEHWND return NULL */
     psInfo->activeValid = FALSE;
  }
  else
    psInfo->ended = TRUE;
}

/******************************************************************************
 *            PROPSHEET_Help
 */
static void PROPSHEET_Help(HWND hwndDlg)
{
  PropSheetInfo* psInfo = (PropSheetInfo*) GetPropW(hwndDlg,
                                                    PropSheetInfoStr);
  HWND hwndPage;
  PSHNOTIFY psn;

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

  hwndPage = psInfo->proppage[psInfo->active_page].hwndPage;
  psn.hdr.code     = PSN_HELP;
  psn.hdr.hwndFrom = hwndDlg;
  psn.hdr.idFrom   = 0;
  psn.lParam       = 0;

  SendMessageW(hwndPage, WM_NOTIFY, 0, (LPARAM) &psn);
}

/******************************************************************************
 *            PROPSHEET_Changed
 */
static void PROPSHEET_Changed(HWND hwndDlg, HWND hwndDirtyPage)
{
  int i;
  PropSheetInfo* psInfo = (PropSheetInfo*) GetPropW(hwndDlg,
                                                    PropSheetInfoStr);

  TRACE("\n");
  if (!psInfo) return;
  /*
   * Set the dirty flag of this page.
   */
  for (i = 0; i < psInfo->nPages; i++)
  {
    if (psInfo->proppage[i].hwndPage == hwndDirtyPage)
      psInfo->proppage[i].isDirty = TRUE;
  }

  /*
   * Enable the Apply button.
   */
  if (psInfo->hasApply)
  {
    HWND hwndApplyBtn = GetDlgItem(hwndDlg, IDC_APPLY_BUTTON);

    EnableWindow(hwndApplyBtn, TRUE);
  }
}

/******************************************************************************
 *            PROPSHEET_UnChanged
 */
static void PROPSHEET_UnChanged(HWND hwndDlg, HWND hwndCleanPage)
{
  int i;
  BOOL noPageDirty = TRUE;
  HWND hwndApplyBtn = GetDlgItem(hwndDlg, IDC_APPLY_BUTTON);
  PropSheetInfo* psInfo = (PropSheetInfo*) GetPropW(hwndDlg,
                                                    PropSheetInfoStr);

  TRACE("\n");
  if ( !psInfo ) return;
  for (i = 0; i < psInfo->nPages; i++)
  {
    /* set the specified page as clean */
    if (psInfo->proppage[i].hwndPage == hwndCleanPage)
      psInfo->proppage[i].isDirty = FALSE;

    /* look to see if there's any dirty pages */
    if (psInfo->proppage[i].isDirty)
      noPageDirty = FALSE;
  }

  /*
   * Disable Apply button.
   */
  if (noPageDirty)
    EnableWindow(hwndApplyBtn, FALSE);
}

/******************************************************************************
 *            PROPSHEET_PressButton
 */
static void PROPSHEET_PressButton(HWND hwndDlg, int buttonID)
{
  TRACE("buttonID %d\n", buttonID);
  switch (buttonID)
  {
    case PSBTN_APPLYNOW:
      PROPSHEET_DoCommand(hwndDlg, IDC_APPLY_BUTTON);
      break;
    case PSBTN_BACK:
      PROPSHEET_Back(hwndDlg);
      break;
    case PSBTN_CANCEL:
      PROPSHEET_DoCommand(hwndDlg, IDCANCEL);
      break;
    case PSBTN_FINISH:
      PROPSHEET_Finish(hwndDlg);
      break;
    case PSBTN_HELP:
      PROPSHEET_DoCommand(hwndDlg, IDHELP);
      break;
    case PSBTN_NEXT:
      PROPSHEET_Next(hwndDlg);
      break;
    case PSBTN_OK:
      PROPSHEET_DoCommand(hwndDlg, IDOK);
      break;
    default:
      FIXME("Invalid button index %d\n", buttonID);
  }
}


/*************************************************************************
 * BOOL PROPSHEET_CanSetCurSel [Internal]
 *
 * Test whether the current page can be changed by sending a PSN_KILLACTIVE
 *
 * PARAMS
 *     hwndDlg        [I] handle to a Dialog hWnd
 *
 * RETURNS
 *     TRUE if Current Selection can change
 *
 * NOTES
 */
static BOOL PROPSHEET_CanSetCurSel(HWND hwndDlg)
{
  PropSheetInfo* psInfo = (PropSheetInfo*) GetPropW(hwndDlg,
                                                    PropSheetInfoStr);
  HWND hwndPage;
  PSHNOTIFY psn;
  BOOL res = FALSE;

  TRACE("active_page %d\n", psInfo->active_page);
  if (!psInfo)
  {
     res = FALSE;
     goto end;
  }

  if (psInfo->active_page < 0)
  {
     res = TRUE;
     goto end;
  }

  /*
   * Notify the current page.
   */
  hwndPage = psInfo->proppage[psInfo->active_page].hwndPage;
  psn.hdr.code     = PSN_KILLACTIVE;
  psn.hdr.hwndFrom = hwndDlg;
  psn.hdr.idFrom   = 0;
  psn.lParam       = 0;

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

end:
  TRACE("<-- %d\n", res);
  return res;
}

/******************************************************************************
 *            PROPSHEET_SetCurSel
 */
static BOOL PROPSHEET_SetCurSel(HWND hwndDlg,
                                int index,
				int skipdir,
                                HPROPSHEETPAGE hpage
				)
{
  PropSheetInfo* psInfo = (PropSheetInfo*) GetPropW(hwndDlg, PropSheetInfoStr);
  HWND hwndHelp  = GetDlgItem(hwndDlg, IDHELP);
  HWND hwndTabControl = GetDlgItem(hwndDlg, IDC_TABCONTROL);

  TRACE("index %d, skipdir %d, hpage %p\n", index, skipdir, hpage);
  /* hpage takes precedence over index */
  if (hpage != NULL)
    index = PROPSHEET_GetPageIndex(hpage, psInfo);

  if (index < 0 || index >= psInfo->nPages)
  {
    TRACE("Could not find page to select!\n");
    return FALSE;
  }

  while (1) {
    int result;
    PSHNOTIFY psn;
    RECT rc;
    LPCPROPSHEETPAGEW ppshpage = (LPCPROPSHEETPAGEW)psInfo->proppage[index].hpage;

    if (hwndTabControl)
	SendMessageW(hwndTabControl, TCM_SETCURSEL, index, 0);

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

    if (!psInfo->proppage[index].hwndPage) {
      PROPSHEET_CreatePage(hwndDlg, index, psInfo, ppshpage);
    }

    /* Resize the property sheet page to the fit in the Tab control
     * (for regular property sheets) or to fit in the client area (for
     * wizards).
     * NOTE: The resizing happens every time the page is selected and
     * not only when it's created (some applications depend on it). */
    PROPSHEET_GetPageRect(psInfo, hwndDlg, &rc, ppshpage);
    TRACE("setting page %p, rc (%ld,%ld)-(%ld,%ld) w=%ld, h=%ld\n",
          psInfo->proppage[index].hwndPage, rc.left, rc.top, rc.right, rc.bottom,
          rc.right - rc.left, rc.bottom - rc.top);
    SetWindowPos(psInfo->proppage[index].hwndPage, HWND_TOP,
                 rc.left, rc.top,
                 rc.right - rc.left, rc.bottom - rc.top, 0);

    result = SendMessageW(psInfo->proppage[index].hwndPage, WM_NOTIFY, 0, (LPARAM) &psn);
    if (!result)
      break;
    if (result == -1) {
      index+=skipdir;
      if (index < 0) {
	index = 0;
	WARN("Tried to skip before first property sheet page!\n");
	break;
      }
      if (index >= psInfo->nPages) {
	WARN("Tried to skip after last property sheet page!\n");
	index = psInfo->nPages-1;
	break;
      }
    }
    else if (result != 0)
    {
      int old_index = index;
      index = PROPSHEET_FindPageByResId(psInfo, result);
      if(index >= psInfo->nPages) {
        index = old_index;
        WARN("Tried to skip to nonexistant page by res id\n");
        break;
      }
      continue;
    }
  }
  /*
   * Display the new page.
   */
  PROPSHEET_ShowPage(hwndDlg, index, psInfo);

  if (psInfo->proppage[index].hasHelp)
    EnableWindow(hwndHelp, TRUE);
  else
    EnableWindow(hwndHelp, FALSE);

  return TRUE;
}

/******************************************************************************
 *            PROPSHEET_SetCurSelId
 *
 * Selects the page, specified by resource id.
 */
static void PROPSHEET_SetCurSelId(HWND hwndDlg, int id)
{
      int idx;
      PropSheetInfo* psInfo =
          (PropSheetInfo*) GetPropW(hwndDlg, PropSheetInfoStr);

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

/******************************************************************************
 *            PROPSHEET_SetTitleA
 */
static void PROPSHEET_SetTitleA(HWND hwndDlg, DWORD dwStyle, LPCSTR lpszText)
{
  if(HIWORD(lpszText))
  {
     WCHAR szTitle[256];
     MultiByteToWideChar(CP_ACP, 0, lpszText, -1,
                         szTitle, sizeof(szTitle)/sizeof(WCHAR));
     PROPSHEET_SetTitleW(hwndDlg, dwStyle, szTitle);
  }
  else
  {
     PROPSHEET_SetTitleW(hwndDlg, dwStyle, (LPCWSTR)lpszText);
  }
}

/******************************************************************************
 *            PROPSHEET_SetTitleW
 */
static void PROPSHEET_SetTitleW(HWND hwndDlg, DWORD dwStyle, LPCWSTR lpszText)
{
  PropSheetInfo*	psInfo = (PropSheetInfo*) GetPropW(hwndDlg, PropSheetInfoStr);
  WCHAR			szTitle[256];

  TRACE("'%s' (style %08lx)\n", debugstr_w(lpszText), dwStyle);
  if (HIWORD(lpszText) == 0) {
    if (!LoadStringW(psInfo->ppshheader.hInstance,
                     LOWORD(lpszText), szTitle, sizeof(szTitle)-sizeof(WCHAR)))
      return;
    lpszText = szTitle;
  }
  if (dwStyle & PSH_PROPTITLE)
  {
    WCHAR* dest;
    int lentitle = strlenW(lpszText);
    int lenprop  = strlenW(psInfo->strPropertiesFor);

    dest = Alloc( (lentitle + lenprop + 1)*sizeof (WCHAR));
    strcpyW(dest, psInfo->strPropertiesFor);
    strcatW(dest, lpszText);

    SetWindowTextW(hwndDlg, dest);
    Free(dest);
  }
  else
    SetWindowTextW(hwndDlg, lpszText);
}

/******************************************************************************
 *            PROPSHEET_SetFinishTextA
 */
static void PROPSHEET_SetFinishTextA(HWND hwndDlg, LPCSTR lpszText)
{
  PropSheetInfo* psInfo = (PropSheetInfo*) GetPropW(hwndDlg, PropSheetInfoStr);
  HWND hwndButton = GetDlgItem(hwndDlg, IDC_FINISH_BUTTON);

  TRACE("'%s'\n", lpszText);
  /* Set text, show and enable the Finish button */
  SetWindowTextA(hwndButton, lpszText);
  ShowWindow(hwndButton, SW_SHOW);
  EnableWindow(hwndButton, TRUE);

  /* Make it default pushbutton */
  SendMessageW(hwndDlg, DM_SETDEFID, IDC_FINISH_BUTTON, 0);

  /* Hide Back button */
  hwndButton = GetDlgItem(hwndDlg, IDC_BACK_BUTTON);
  ShowWindow(hwndButton, SW_HIDE);

  if (!psInfo->hasFinish)
  {
    /* Hide Next button */
    hwndButton = GetDlgItem(hwndDlg, IDC_NEXT_BUTTON);
    ShowWindow(hwndButton, SW_HIDE);
  }
}

/******************************************************************************
 *            PROPSHEET_SetFinishTextW
 */
static void PROPSHEET_SetFinishTextW(HWND hwndDlg, LPCWSTR lpszText)
{
  PropSheetInfo* psInfo = (PropSheetInfo*) GetPropW(hwndDlg, PropSheetInfoStr);
  HWND hwndButton = GetDlgItem(hwndDlg, IDC_FINISH_BUTTON);

  TRACE("'%s'\n", debugstr_w(lpszText));
  /* Set text, show and enable the Finish button */
  SetWindowTextW(hwndButton, lpszText);
  ShowWindow(hwndButton, SW_SHOW);
  EnableWindow(hwndButton, TRUE);

  /* Make it default pushbutton */
  SendMessageW(hwndDlg, DM_SETDEFID, IDC_FINISH_BUTTON, 0);

  /* Hide Back button */
  hwndButton = GetDlgItem(hwndDlg, IDC_BACK_BUTTON);
  ShowWindow(hwndButton, SW_HIDE);

  if (!psInfo->hasFinish)
  {
    /* Hide Next button */
    hwndButton = GetDlgItem(hwndDlg, IDC_NEXT_BUTTON);
    ShowWindow(hwndButton, SW_HIDE);
  }
}

/******************************************************************************
 *            PROPSHEET_QuerySiblings
 */
static LRESULT PROPSHEET_QuerySiblings(HWND hwndDlg,
                                       WPARAM wParam, LPARAM lParam)
{
  int i