src/msw/statusbar.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/statusbar.cpp
   3 // Purpose:     native implementation of wxStatusBar
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     04.04.98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24   #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_STATUSBAR && wxUSE_NATIVE_STATUSBAR
  28
  29 #include "wx/statusbr.h"
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
  33     #include "wx/frame.h"
  34     #include "wx/settings.h"
  35     #include "wx/dcclient.h"
  36     #include "wx/intl.h"
  37     #include "wx/log.h"
  38     #include "wx/control.h"
  39 #endif
  40
  41 #include "wx/msw/private.h"
  42 #include "wx/tooltip.h"
  43 #include <windowsx.h>
  44
  45 #if wxUSE_UXTHEME
  46     #include "wx/msw/uxtheme.h"
  47 #endif
  48
  49 // ----------------------------------------------------------------------------
  50 // constants
  51 // ----------------------------------------------------------------------------
  52
  53 namespace
  54 {
  55
  56 // no idea for a default width, just choose something
  57 static const int DEFAULT_FIELD_WIDTH = 25;
  58
  59 } // anonymous namespace
  60
  61 // ----------------------------------------------------------------------------
  62 // macros
  63 // ----------------------------------------------------------------------------
  64
  65 // windowsx.h and commctrl.h don't define those, so we do it here
  66 #define StatusBar_SetParts(h, n, w) SendMessage(h, SB_SETPARTS, (WPARAM)n, (LPARAM)w)
  67 #define StatusBar_SetText(h, n, t)  SendMessage(h, SB_SETTEXT, (WPARAM)n, (LPARAM)(LPCTSTR)t)
  68 #define StatusBar_GetTextLen(h, n)  LOWORD(SendMessage(h, SB_GETTEXTLENGTH, (WPARAM)n, 0))
  69 #define StatusBar_GetText(h, n, s)  LOWORD(SendMessage(h, SB_GETTEXT, (WPARAM)n, (LPARAM)(LPTSTR)s))
  70
  71 // ============================================================================
  72 // implementation
  73 // ============================================================================
  74
  75 // ----------------------------------------------------------------------------
  76 // wxStatusBar class
  77 // ----------------------------------------------------------------------------
  78
  79 wxStatusBar::wxStatusBar()
  80 {
  81     SetParent(NULL);
  82     m_hWnd = 0;
  83     m_windowId = 0;
  84     m_pDC = NULL;
  85 }
  86
  87 WXDWORD wxStatusBar::MSWGetStyle(long style, WXDWORD *exstyle) const
  88 {
  89     WXDWORD msStyle = wxStatusBarBase::MSWGetStyle(style, exstyle);
  90
  91     // wxSTB_SIZEGRIP is part of our default style but it doesn't make sense to
  92     // show size grip if this is the status bar of a non-resizable TLW so turn
  93     // it off in such case
  94     wxWindow * const parent = GetParent();
  95     wxCHECK_MSG( parent, msStyle, wxS("Status bar must have a parent") );
  96     if ( parent->IsTopLevel() && !parent->HasFlag(wxRESIZE_BORDER) )
  97         style &= ~wxSTB_SIZEGRIP;
  98
  99     // setting SBARS_SIZEGRIP is perfectly useless: it's always on by default
 100     // (at least in the version of comctl32.dll I'm using), and the only way to
 101     // turn it off is to use CCS_TOP style - as we position the status bar
 102     // manually anyhow (see DoMoveWindow), use CCS_TOP style if wxSTB_SIZEGRIP
 103     // is not given
 104     if ( !(style & wxSTB_SIZEGRIP) )
 105     {
 106         msStyle |= CCS_TOP;
 107     }
 108     else
 109     {
 110 #ifndef __WXWINCE__
 111         // may be some versions of comctl32.dll do need it - anyhow, it won't
 112         // do any harm
 113        msStyle |= SBARS_SIZEGRIP;
 114 #endif
 115     }
 116
 117     return msStyle;
 118 }
 119
 120 bool wxStatusBar::Create(wxWindow *parent,
 121                          wxWindowID id,
 122                          long style,
 123                          const wxString& name)
 124 {
 125     if ( !CreateControl(parent, id, wxDefaultPosition, wxDefaultSize,
 126                         style, wxDefaultValidator, name) )
 127         return false;
 128
 129     if ( !MSWCreateControl(STATUSCLASSNAME, wxString(),
 130                            wxDefaultPosition, wxDefaultSize) )
 131         return false;
 132
 133     SetFieldsCount(1);
 134
 135     // cache the DC instance used by DoUpdateStatusText:
 136     m_pDC = new wxClientDC(this);
 137
 138     // we must refresh the frame size when the statusbar is created, because
 139     // its client area might change
 140     //
 141     // notice that we must post the event, not send it, as the frame doesn't
 142     // know that we're its status bar yet so laying it out right now wouldn't
 143     // work correctly, we need to wait until we return to the main loop
 144     PostSizeEventToParent();
 145
 146     return true;
 147 }
 148
 149 wxStatusBar::~wxStatusBar()
 150 {
 151     // we must refresh the frame size when the statusbar is deleted but the
 152     // frame is not - otherwise statusbar leaves a hole in the place it used to
 153     // occupy
 154     PostSizeEventToParent();
 155
 156 #if wxUSE_TOOLTIPS
 157     // delete existing tooltips
 158     for (size_t i=0; i<m_tooltips.size(); i++)
 159     {
 160         wxDELETE(m_tooltips[i]);
 161     }
 162 #endif // wxUSE_TOOLTIPS
 163
 164     wxDELETE(m_pDC);
 165 }
 166
 167 bool wxStatusBar::SetFont(const wxFont& font)
 168 {
 169     if (!wxWindow::SetFont(font))
 170         return false;
 171
 172     if (m_pDC) m_pDC->SetFont(font);
 173     return true;
 174 }
 175
 176 void wxStatusBar::SetFieldsCount(int nFields, const int *widths)
 177 {
 178     // this is a Windows limitation
 179     wxASSERT_MSG( (nFields > 0) && (nFields < 255), "too many fields" );
 180
 181     // keep in synch also our m_tooltips array
 182
 183 #if wxUSE_TOOLTIPS
 184     // reset all current tooltips
 185     for (size_t i=0; i<m_tooltips.size(); i++)
 186     {
 187         wxDELETE(m_tooltips[i]);
 188     }
 189
 190     // shrink/expand the array:
 191     m_tooltips.resize(nFields, NULL);
 192 #endif // wxUSE_TOOLTIPS
 193
 194     wxStatusBarBase::SetFieldsCount(nFields, widths);
 195
 196     MSWUpdateFieldsWidths();
 197 }
 198
 199 void wxStatusBar::SetStatusWidths(int n, const int widths[])
 200 {
 201     wxStatusBarBase::SetStatusWidths(n, widths);
 202
 203     MSWUpdateFieldsWidths();
 204 }
 205
 206 void wxStatusBar::MSWUpdateFieldsWidths()
 207 {
 208     if ( m_panes.IsEmpty() )
 209         return;
 210
 211     const int count = m_panes.GetCount();
 212
 213     const int extraWidth = MSWGetBorderWidth() + MSWGetMetrics().textMargin;
 214
 215     // compute the effectively available amount of space:
 216     int widthAvailable = GetClientSize().x;     // start with the entire width
 217     widthAvailable -= extraWidth*(count - 1);   // extra space between fields
 218     widthAvailable -= MSWGetMetrics().textMargin;   // and for the last field
 219
 220     // Deal with the grip: we shouldn't overflow onto the space occupied by it
 221     // so the effectively available space is smaller.
 222     const int gripWidth = HasFlag(wxSTB_SIZEGRIP) ? MSWGetMetrics().gripWidth
 223                                                   : 0;
 224     widthAvailable -= gripWidth;
 225
 226     // distribute the available space (client width) among the various fields:
 227
 228     wxArrayInt widthsAbs = CalculateAbsWidths(widthAvailable);
 229
 230
 231     // update the field widths in the native control:
 232
 233     int *pWidths = new int[count];
 234
 235     int nCurPos = 0;
 236     int i;
 237     for ( i = 0; i < count; i++ )
 238     {
 239         nCurPos += widthsAbs[i] + extraWidth;
 240         pWidths[i] = nCurPos;
 241     }
 242
 243     // The total width of the panes passed to Windows must be equal to the
 244     // total width available, including the grip. Otherwise we get an extra
 245     // separator line just before it.
 246     pWidths[count - 1] += gripWidth;
 247
 248     if ( !StatusBar_SetParts(GetHwnd(), count, pWidths) )
 249     {
 250         wxLogLastError("StatusBar_SetParts");
 251     }
 252
 253     // Now that all parts have been created, set their text.
 254     for ( i = 0; i < count; i++ )
 255     {
 256         DoUpdateStatusText(i);
 257     }
 258
 259     delete [] pWidths;
 260 }
 261
 262 void wxStatusBar::DoUpdateStatusText(int nField)
 263 {
 264     if (!m_pDC)
 265         return;
 266
 267     // Get field style, if any
 268     int style;
 269     switch(m_panes[nField].GetStyle())
 270     {
 271     case wxSB_RAISED:
 272         style = SBT_POPOUT;
 273         break;
 274     case wxSB_FLAT:
 275         style = SBT_NOBORDERS;
 276         break;
 277
 278     case wxSB_NORMAL:
 279     default:
 280         style = 0;
 281         break;
 282     }
 283
 284     wxRect rc;
 285     GetFieldRect(nField, rc);
 286
 287     const int maxWidth = rc.GetWidth() - MSWGetMetrics().textMargin;
 288
 289     wxString text = GetStatusText(nField);
 290
 291     // do we need to ellipsize this string?
 292     wxEllipsizeMode ellmode = (wxEllipsizeMode)-1;
 293     if (HasFlag(wxSTB_ELLIPSIZE_START)) ellmode = wxELLIPSIZE_START;
 294     else if (HasFlag(wxSTB_ELLIPSIZE_MIDDLE)) ellmode = wxELLIPSIZE_MIDDLE;
 295     else if (HasFlag(wxSTB_ELLIPSIZE_END)) ellmode = wxELLIPSIZE_END;
 296
 297     if (ellmode == (wxEllipsizeMode)-1)
 298     {
 299         // if we have the wxSTB_SHOW_TIPS we must set the ellipsized flag even if
 300         // we don't ellipsize the text but just truncate it
 301         if (HasFlag(wxSTB_SHOW_TIPS))
 302             SetEllipsizedFlag(nField, m_pDC->GetTextExtent(text).GetWidth() > maxWidth);
 303     }
 304     else
 305     {
 306         text = wxControl::Ellipsize(text,
 307                                      *m_pDC,
 308                                      ellmode,
 309                                      maxWidth,
 310                                      wxELLIPSIZE_FLAGS_EXPAND_TABS);
 311
 312         // update the ellipsization status for this pane; this is used later to
 313         // decide whether a tooltip should be shown or not for this pane
 314         // (if we have wxSTB_SHOW_TIPS)
 315         SetEllipsizedFlag(nField, text != GetStatusText(nField));
 316     }
 317
 318     // Set the status text in the native control passing both field number and style.
 319     // NOTE: MSDN library doesn't mention that nField and style have to be 'ORed'
 320     if ( !StatusBar_SetText(GetHwnd(), nField | style, text.t_str()) )
 321     {
 322         wxLogLastError("StatusBar_SetText");
 323     }
 324
 325 #if wxUSE_TOOLTIPS
 326     if (HasFlag(wxSTB_SHOW_TIPS))
 327     {
 328         wxASSERT(m_tooltips.size() == m_panes.GetCount());
 329
 330         if (m_tooltips[nField])
 331         {
 332             if (GetField(nField).IsEllipsized())
 333             {
 334                 // update the rect of this tooltip:
 335                 m_tooltips[nField]->SetRect(rc);
 336
 337                 // update also the text:
 338                 m_tooltips[nField]->SetTip(GetStatusText(nField));
 339             }
 340             else
 341             {
 342                 // delete the tooltip associated with this pane; it's not needed anymore
 343                 wxDELETE(m_tooltips[nField]);
 344             }
 345         }
 346         else
 347         {
 348             // create a new tooltip for this pane if needed
 349             if (GetField(nField).IsEllipsized())
 350                 m_tooltips[nField] = new wxToolTip(this, nField, GetStatusText(nField), rc);
 351             //else: leave m_tooltips[nField]==NULL
 352         }
 353     }
 354 #endif // wxUSE_TOOLTIPS
 355 }
 356
 357 wxStatusBar::MSWBorders wxStatusBar::MSWGetBorders() const
 358 {
 359     int aBorders[3];
 360     SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders);
 361
 362     MSWBorders borders;
 363     borders.horz = aBorders[0];
 364     borders.vert = aBorders[1];
 365     borders.between = aBorders[2];
 366     return borders;
 367 }
 368
 369 int wxStatusBar::GetBorderX() const
 370 {
 371     return MSWGetBorders().horz;
 372 }
 373
 374 int wxStatusBar::GetBorderY() const
 375 {
 376     return MSWGetBorders().vert;
 377 }
 378
 379 int wxStatusBar::MSWGetBorderWidth() const
 380 {
 381     return MSWGetBorders().between;
 382 }
 383
 384 /* static */
 385 const wxStatusBar::MSWMetrics& wxStatusBar::MSWGetMetrics()
 386 {
 387     static MSWMetrics s_metrics = { 0, 0 };
 388     if ( !s_metrics.textMargin )
 389     {
 390         // Grip size should be self explanatory (the only problem with it is
 391         // that it's hard coded as we don't know how to find its size using
 392         // API) but the margin might merit an explanation: Windows offsets the
 393         // text drawn in status bar panes so we need to take this extra margin
 394         // into account to make sure the text drawn by user fits inside the
 395         // pane. Notice that it's not the value returned by SB_GETBORDERS
 396         // which, at least on this Windows 2003 system, returns {0, 2, 2}
 397 #if wxUSE_UXTHEME
 398         if ( wxUxThemeEngine::GetIfActive() )
 399         {
 400             s_metrics.gripWidth = 20;
 401             s_metrics.textMargin = 8;
 402         }
 403         else // classic/unthemed look
 404 #endif // wxUSE_UXTHEME
 405         {
 406             s_metrics.gripWidth = 18;
 407             s_metrics.textMargin = 4;
 408         }
 409     }
 410
 411     return s_metrics;
 412 }
 413
 414 void wxStatusBar::SetMinHeight(int height)
 415 {
 416     // It looks like we need to count the border twice to really make the
 417     // controls taking exactly height pixels fully fit in the status bar:
 418     // at least under Windows 7 the checkbox in the custom status bar of the
 419     // statbar sample gets truncated otherwise.
 420     height += 4*GetBorderY();
 421
 422     // We need to set the size and not the size to reflect the height because
 423     // wxFrame uses our size and not the minimal size as it assumes that the
 424     // size of a status bar never changes anyhow.
 425     SetSize(-1, height);
 426
 427     SendMessage(GetHwnd(), SB_SETMINHEIGHT, height, 0);
 428
 429     // we have to send a (dummy) WM_SIZE to redraw it now
 430     SendMessage(GetHwnd(), WM_SIZE, 0, 0);
 431 }
 432
 433 bool wxStatusBar::GetFieldRect(int i, wxRect& rect) const
 434 {
 435     wxCHECK_MSG( (i >= 0) && ((size_t)i < m_panes.GetCount()), false,
 436                  "invalid statusbar field index" );
 437
 438     RECT r;
 439     if ( !::SendMessage(GetHwnd(), SB_GETRECT, i, (LPARAM)&r) )
 440     {
 441         wxLogLastError("SendMessage(SB_GETRECT)");
 442     }
 443
 444 #if wxUSE_UXTHEME
 445     wxUxThemeHandle theme(const_cast<wxStatusBar*>(this), L"Status");
 446     if ( theme )
 447     {
 448         // by default Windows has a 2 pixel border to the right of the left
 449         // divider (or it could be a bug) but it looks wrong so remove it
 450         if ( i != 0 )
 451         {
 452             r.left -= 2;
 453         }
 454
 455         wxUxThemeEngine::Get()->GetThemeBackgroundContentRect(theme, NULL,
 456                                                               1 /* SP_PANE */, 0,
 457                                                               &r, &r);
 458     }
 459 #endif
 460
 461     wxCopyRECTToRect(r, rect);
 462
 463     return true;
 464 }
 465
 466 wxSize wxStatusBar::DoGetBestSize() const
 467 {
 468     const MSWBorders borders = MSWGetBorders();
 469
 470     // calculate width
 471     int width = 0;
 472     for ( size_t i = 0; i < m_panes.GetCount(); ++i )
 473     {
 474         int widthField =
 475             m_bSameWidthForAllPanes ? DEFAULT_FIELD_WIDTH : m_panes[i].GetWidth();
 476         if ( widthField >= 0 )
 477         {
 478             width += widthField;
 479         }
 480         else
 481         {
 482             // variable width field, its width is really a proportion
 483             // related to the other fields
 484             width += -widthField*DEFAULT_FIELD_WIDTH;
 485         }
 486
 487         // add the space between fields
 488         width += borders.between;
 489     }
 490
 491     if ( !width )
 492     {
 493         // still need something even for an empty status bar
 494         width = 2*DEFAULT_FIELD_WIDTH;
 495     }
 496
 497     // calculate height: by default it should be just big enough to show text
 498     // (see SetMinHeight() for the explanation of 4 factor)
 499     int height = GetCharHeight();
 500     height += 4*borders.vert;
 501
 502     wxSize best(width, height);
 503     CacheBestSize(best);
 504     return best;
 505 }
 506
 507 void wxStatusBar::DoMoveWindow(int x, int y, int width, int height)
 508 {
 509     if ( GetParent()->IsSizeDeferred() )
 510     {
 511         wxWindowMSW::DoMoveWindow(x, y, width, height);
 512     }
 513     else
 514     {
 515         // parent pos/size isn't deferred so do it now but don't send
 516         // WM_WINDOWPOSCHANGING since we don't want to change pos/size later
 517         // we must use SWP_NOCOPYBITS here otherwise it paints incorrectly
 518         // if other windows are size deferred
 519         ::SetWindowPos(GetHwnd(), NULL, x, y, width, height,
 520                        SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_NOACTIVATE
 521 #ifndef __WXWINCE__
 522                        | SWP_NOCOPYBITS | SWP_NOSENDCHANGING
 523 #endif
 524                        );
 525     }
 526
 527     // we have to trigger wxSizeEvent if there are children window in status
 528     // bar because GetFieldRect returned incorrect (not updated) values up to
 529     // here, which almost certainly resulted in incorrectly redrawn statusbar
 530     if ( m_children.GetCount() > 0 )
 531     {
 532         wxSizeEvent event(GetClientSize(), m_windowId);
 533         event.SetEventObject(this);
 534         HandleWindowEvent(event);
 535     }
 536 }
 537
 538 void wxStatusBar::SetStatusStyles(int n, const int styles[])
 539 {
 540     wxStatusBarBase::SetStatusStyles(n, styles);
 541
 542     if (n != (int)m_panes.GetCount())
 543         return;
 544
 545     for (int i = 0; i < n; i++)
 546     {
 547         int style;
 548         switch(styles[i])
 549         {
 550         case wxSB_RAISED:
 551             style = SBT_POPOUT;
 552             break;
 553         case wxSB_FLAT:
 554             style = SBT_NOBORDERS;
 555             break;
 556         case wxSB_NORMAL:
 557         default:
 558             style = 0;
 559             break;
 560         }
 561
 562         // The SB_SETTEXT message is both used to set the field's text as well as
 563         // the fields' styles.
 564         // NOTE: MSDN library doesn't mention that nField and style have to be 'ORed'
 565         wxString text = GetStatusText(i);
 566         if (!StatusBar_SetText(GetHwnd(), style | i, text.t_str()))
 567         {
 568             wxLogLastError("StatusBar_SetText");
 569         }
 570     }
 571 }
 572
 573 WXLRESULT
 574 wxStatusBar::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 575 {
 576 #ifndef __WXWINCE__
 577     if ( nMsg == WM_WINDOWPOSCHANGING )
 578     {
 579         WINDOWPOS *lpPos = (WINDOWPOS *)lParam;
 580         int x, y, w, h;
 581         GetPosition(&x, &y);
 582         GetSize(&w, &h);
 583
 584         // we need real window coords and not wx client coords
 585         AdjustForParentClientOrigin(x, y);
 586
 587         lpPos->x  = x;
 588         lpPos->y  = y;
 589         lpPos->cx = w;
 590         lpPos->cy = h;
 591
 592         return 0;
 593     }
 594
 595     if ( nMsg == WM_NCLBUTTONDOWN )
 596     {
 597         // if hit-test is on gripper then send message to TLW to begin
 598         // resizing. It is possible to send this message to any window.
 599         if ( wParam == HTBOTTOMRIGHT )
 600         {
 601             wxWindow *win;
 602
 603             for ( win = GetParent(); win; win = win->GetParent() )
 604             {
 605                 if ( win->IsTopLevel() )
 606                 {
 607                     SendMessage(GetHwndOf(win), WM_NCLBUTTONDOWN,
 608                                 wParam, lParam);
 609
 610                     return 0;
 611                 }
 612             }
 613         }
 614     }
 615 #endif
 616
 617     if ( nMsg == WM_SIZE )
 618     {
 619         MSWUpdateFieldsWidths();
 620
 621         if ( HasFlag(wxSTB_ELLIPSIZE_START) ||
 622                 HasFlag(wxSTB_ELLIPSIZE_MIDDLE) ||
 623                     HasFlag(wxSTB_ELLIPSIZE_END) )
 624         {
 625             for (int i=0; i<GetFieldsCount(); i++)
 626             {
 627                 // re-set the field text, in case we need to ellipsize
 628                 // (or de-ellipsize) some parts of it
 629                 DoUpdateStatusText(i);
 630             }
 631         }
 632     }
 633
 634     return wxStatusBarBase::MSWWindowProc(nMsg, wParam, lParam);
 635 }
 636
 637 #if wxUSE_TOOLTIPS
 638 bool wxStatusBar::MSWProcessMessage(WXMSG* pMsg)
 639 {
 640     if ( HasFlag(wxSTB_SHOW_TIPS) )
 641     {
 642         // for a tooltip to be shown, we need to relay mouse events to it;
 643         // this is typically done by wxWindowMSW::MSWProcessMessage but only
 644         // if wxWindow::m_tooltip pointer is non-NULL.
 645         // Since wxStatusBar has multiple tooltips for a single HWND, it keeps
 646         // wxWindow::m_tooltip == NULL and then relays mouse events here:
 647         MSG *msg = (MSG *)pMsg;
 648         if ( msg->message == WM_MOUSEMOVE )
 649             wxToolTip::RelayEvent(pMsg);
 650     }
 651
 652     return wxWindow::MSWProcessMessage(pMsg);
 653 }
 654
 655 bool wxStatusBar::MSWOnNotify(int WXUNUSED(idCtrl), WXLPARAM lParam, WXLPARAM* WXUNUSED(result))
 656 {
 657     if ( HasFlag(wxSTB_SHOW_TIPS) )
 658     {
 659         // see comment in wxStatusBar::MSWProcessMessage for more info;
 660         // basically we need to override wxWindow::MSWOnNotify because
 661         // we have wxWindow::m_tooltip always NULL but we still use tooltips...
 662
 663         NMHDR* hdr = (NMHDR *)lParam;
 664
 665         wxString str;
 666         if (hdr->idFrom < m_tooltips.size() && m_tooltips[hdr->idFrom])
 667             str = m_tooltips[hdr->idFrom]->GetTip();
 668
 669         if ( HandleTooltipNotify(hdr->code, lParam, str))
 670         {
 671             // processed
 672             return true;
 673         }
 674     }
 675
 676     return false;
 677 }
 678 #endif // wxUSE_TOOLTIPS
 679
 680 #endif // wxUSE_STATUSBAR && wxUSE_NATIVE_STATUSBAR