src/generic/progdlgg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/progdlgg.cpp
   3 // Purpose:     wxGenericProgressDialog class
   4 // Author:      Karsten Ballueder
   5 // Modified by:
   6 // Created:     09.05.1999
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Karsten Ballueder
   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_PROGRESSDLG
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/utils.h"
  31     #include "wx/frame.h"
  32     #include "wx/button.h"
  33     #include "wx/stattext.h"
  34     #include "wx/sizer.h"
  35     #include "wx/event.h"
  36     #include "wx/gauge.h"
  37     #include "wx/intl.h"
  38     #include "wx/dcclient.h"
  39     #include "wx/timer.h"
  40     #include "wx/settings.h"
  41     #include "wx/app.h"
  42 #endif
  43
  44 #include "wx/progdlg.h"
  45 #include "wx/evtloop.h"
  46
  47 // ---------------------------------------------------------------------------
  48 // macros
  49 // ---------------------------------------------------------------------------
  50
  51 /* Macro for avoiding #ifdefs when value have to be different depending on size of
  52    device we display on - take it from something like wxDesktopPolicy in the future
  53  */
  54
  55 #if defined(__SMARTPHONE__)
  56     #define wxLARGESMALL(large,small) small
  57 #else
  58     #define wxLARGESMALL(large,small) large
  59 #endif
  60
  61 // ----------------------------------------------------------------------------
  62 // constants
  63 // ----------------------------------------------------------------------------
  64
  65 #define LAYOUT_MARGIN wxLARGESMALL(8,2)
  66
  67 static const int wxID_SKIP = 32000;  // whatever
  68
  69 // ----------------------------------------------------------------------------
  70 // event tables
  71 // ----------------------------------------------------------------------------
  72
  73 BEGIN_EVENT_TABLE(wxGenericProgressDialog, wxDialog)
  74     EVT_BUTTON(wxID_CANCEL, wxGenericProgressDialog::OnCancel)
  75     EVT_BUTTON(wxID_SKIP, wxGenericProgressDialog::OnSkip)
  76
  77     EVT_CLOSE(wxGenericProgressDialog::OnClose)
  78 END_EVENT_TABLE()
  79
  80 // ============================================================================
  81 // wxGenericProgressDialog implementation
  82 // ============================================================================
  83
  84 wxIMPLEMENT_CLASS(wxProgressDialog, wxDialog)
  85
  86 // ----------------------------------------------------------------------------
  87 // wxGenericProgressDialog creation
  88 // ----------------------------------------------------------------------------
  89
  90 void wxGenericProgressDialog::Init(wxWindow *parent, int maximum, int style)
  91 {
  92     // Initialize the inherited members that we always use (even when we don't
  93     // create a valid window here).
  94
  95     // we may disappear at any moment, let the others know about it
  96     SetExtraStyle(GetExtraStyle() | wxWS_EX_TRANSIENT);
  97     m_windowStyle |= style;
  98
  99     m_parentTop = wxGetTopLevelParent(parent);
 100
 101
 102     // Initialize our own members.
 103     m_state = Uncancelable;
 104     m_maximum = maximum;
 105
 106 #if defined(__WXMSW__) || defined(__WXPM__)
 107     // we can't have values > 65,536 in the progress control under Windows, so
 108     // scale everything down
 109     m_factor = m_maximum / 65536 + 1;
 110     m_maximum /= m_factor;
 111 #endif // __WXMSW__
 112
 113
 114     m_timeStart = wxGetCurrentTime();
 115     m_timeStop = (unsigned long)-1;
 116     m_break = 0;
 117
 118     m_skip = false;
 119
 120     m_display_estimated =
 121     m_last_timeupdate =
 122     m_ctdelay = 0;
 123
 124     m_delay = 3;
 125
 126     m_hasAbortButton =
 127     m_hasSkipButton = false;
 128 }
 129
 130 wxGenericProgressDialog::wxGenericProgressDialog(wxWindow *parent,
 131                                                  int maximum,
 132                                                  int style)
 133                        : wxDialog()
 134 {
 135     Init(parent, maximum, style);
 136 }
 137
 138 wxGenericProgressDialog::wxGenericProgressDialog(const wxString& title,
 139                                                  const wxString& message,
 140                                                  int maximum,
 141                                                  wxWindow *parent,
 142                                                  int style)
 143                        : wxDialog()
 144 {
 145     Init(parent, maximum, style);
 146
 147     Create( title, message, maximum, parent, style );
 148 }
 149
 150 void wxGenericProgressDialog::Create( const wxString& title,
 151                                       const wxString& message,
 152                                       int maximum,
 153                                       wxWindow *parent,
 154                                       int style )
 155 {
 156     wxDialog::Create(GetParentForModalDialog(parent, style), wxID_ANY, title);
 157
 158     SetParent( GetParentForModalDialog(parent, style) );
 159     SetTitle( title );
 160
 161     m_hasAbortButton = (style & wxPD_CAN_ABORT) != 0;
 162     m_hasSkipButton = (style & wxPD_CAN_SKIP) != 0;
 163
 164 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 165     // we have to remove the "Close" button from the title bar then as it is
 166     // confusing to have it - it doesn't work anyhow
 167     //
 168     // FIXME: should probably have a (extended?) window style for this
 169     if ( !m_hasAbortButton )
 170     {
 171         EnableCloseButton(false);
 172     }
 173 #endif // wxMSW
 174
 175 #if defined(__SMARTPHONE__)
 176     SetLeftMenu();
 177 #endif
 178
 179     m_state = m_hasAbortButton ? Continue : Uncancelable;
 180
 181     // top-level sizerTop
 182     wxSizer * const sizerTop = new wxBoxSizer(wxVERTICAL);
 183
 184     m_msg = new wxStaticText(this, wxID_ANY, message);
 185     sizerTop->Add(m_msg, 0, wxLEFT | wxTOP, 2*LAYOUT_MARGIN);
 186
 187     if ( maximum > 0 )
 188     {
 189         int gauge_style = wxGA_HORIZONTAL;
 190         if ( style & wxPD_SMOOTH )
 191             gauge_style |= wxGA_SMOOTH;
 192         m_gauge = new wxGauge
 193                       (
 194                         this,
 195                         wxID_ANY,
 196                         m_maximum,
 197                         wxDefaultPosition,
 198                         // make the progress bar sufficiently long
 199                         wxSize(wxMin(wxGetClientDisplayRect().width/3, 300), -1),
 200                         gauge_style
 201                       );
 202
 203         sizerTop->Add(m_gauge, 0, wxLEFT | wxRIGHT | wxTOP | wxEXPAND, 2*LAYOUT_MARGIN);
 204         m_gauge->SetValue(0);
 205     }
 206     else
 207     {
 208         m_gauge = NULL;
 209     }
 210
 211     // create the estimated/remaining/total time zones if requested
 212     m_elapsed =
 213     m_estimated =
 214     m_remaining = NULL;
 215
 216     // also count how many labels we really have
 217     size_t nTimeLabels = 0;
 218
 219     wxSizer * const sizerLabels = new wxFlexGridSizer(2);
 220
 221     if ( style & wxPD_ELAPSED_TIME )
 222     {
 223         nTimeLabels++;
 224
 225         m_elapsed = CreateLabel(GetElapsedLabel(), sizerLabels);
 226     }
 227
 228     if ( style & wxPD_ESTIMATED_TIME )
 229     {
 230         nTimeLabels++;
 231
 232         m_estimated = CreateLabel(GetEstimatedLabel(), sizerLabels);
 233     }
 234
 235     if ( style & wxPD_REMAINING_TIME )
 236     {
 237         nTimeLabels++;
 238
 239         m_remaining = CreateLabel(GetRemainingLabel(), sizerLabels);
 240     }
 241     sizerTop->Add(sizerLabels, 0, wxALIGN_CENTER_HORIZONTAL | wxTOP, LAYOUT_MARGIN);
 242
 243 #if defined(__SMARTPHONE__)
 244     if ( m_hasSkipButton )
 245         SetRightMenu(wxID_SKIP, _("Skip"));
 246     if ( m_hasAbortButton )
 247         SetLeftMenu(wxID_CANCEL);
 248 #else
 249     m_btnAbort =
 250     m_btnSkip = NULL;
 251
 252     wxBoxSizer *buttonSizer = new wxBoxSizer(wxHORIZONTAL);
 253
 254     // Windows dialogs usually have buttons in the lower right corner
 255     const int sizerFlags =
 256 #if defined(__WXMSW__) || defined(__WXPM__)
 257                            wxALIGN_RIGHT | wxALL
 258 #else // !MSW
 259                            wxALIGN_CENTER_HORIZONTAL | wxBOTTOM | wxTOP
 260 #endif // MSW/!MSW
 261                            ;
 262
 263     if ( m_hasSkipButton )
 264     {
 265         m_btnSkip = new wxButton(this, wxID_SKIP, _("&Skip"));
 266
 267         buttonSizer->Add(m_btnSkip, 0, sizerFlags, LAYOUT_MARGIN);
 268     }
 269
 270     if ( m_hasAbortButton )
 271     {
 272         m_btnAbort = new wxButton(this, wxID_CANCEL);
 273
 274         buttonSizer->Add(m_btnAbort, 0, sizerFlags, LAYOUT_MARGIN);
 275     }
 276
 277     if (!m_hasSkipButton && !m_hasAbortButton)
 278         buttonSizer->AddSpacer(LAYOUT_MARGIN);
 279
 280     sizerTop->Add(buttonSizer, 0, sizerFlags, LAYOUT_MARGIN );
 281 #endif // __SMARTPHONE__/!__SMARTPHONE__
 282
 283     SetSizerAndFit(sizerTop);
 284
 285     Centre(wxCENTER_FRAME | wxBOTH);
 286
 287     DisableOtherWindows();
 288
 289     Show();
 290     Enable();
 291
 292     // this one can be initialized even if the others are unknown for now
 293     //
 294     // NB: do it after calling Layout() to keep the labels correctly aligned
 295     if ( m_elapsed )
 296     {
 297         SetTimeLabel(0, m_elapsed);
 298     }
 299
 300     Update();
 301 }
 302
 303 void wxGenericProgressDialog::UpdateTimeEstimates(int value,
 304                                                   unsigned long &elapsedTime,
 305                                                   unsigned long &estimatedTime,
 306                                                   unsigned long &remainingTime)
 307 {
 308     unsigned long elapsed = wxGetCurrentTime() - m_timeStart;
 309     if ( value != 0 && (m_last_timeupdate < elapsed || value == m_maximum) )
 310     {
 311         m_last_timeupdate = elapsed;
 312         unsigned long estimated = m_break +
 313                 (unsigned long)(( (double) (elapsed-m_break) * m_maximum ) / ((double)value)) ;
 314         if (    estimated > m_display_estimated
 315                 && m_ctdelay >= 0
 316             )
 317         {
 318             ++m_ctdelay;
 319         }
 320         else if (    estimated < m_display_estimated
 321                     && m_ctdelay <= 0
 322                 )
 323         {
 324             --m_ctdelay;
 325         }
 326         else
 327         {
 328             m_ctdelay = 0;
 329         }
 330         if (    m_ctdelay >= m_delay          // enough confirmations for a higher value
 331                 || m_ctdelay <= (m_delay*-1)     // enough confirmations for a lower value
 332                 || value == m_maximum            // to stay consistent
 333                 || elapsed > m_display_estimated // to stay consistent
 334                 || ( elapsed > 0 && elapsed < 4 ) // additional updates in the beginning
 335             )
 336         {
 337             m_display_estimated = estimated;
 338             m_ctdelay = 0;
 339         }
 340     }
 341
 342     if ( value != 0 )
 343     {
 344         long display_remaining = m_display_estimated - elapsed;
 345         if ( display_remaining < 0 )
 346         {
 347             display_remaining = 0;
 348         }
 349
 350         estimatedTime = m_display_estimated;
 351         remainingTime = display_remaining;
 352     }
 353
 354     elapsedTime = elapsed;
 355 }
 356
 357 // static
 358 wxString wxGenericProgressDialog::GetFormattedTime(unsigned long timeInSec)
 359 {
 360     wxString timeAsHMS;
 361
 362     if ( timeInSec == (unsigned long)-1 )
 363     {
 364         timeAsHMS = _("Unknown");
 365     }
 366     else
 367     {
 368         unsigned hours = timeInSec / 3600;
 369         unsigned minutes = (timeInSec % 3600) / 60;
 370         unsigned seconds = timeInSec % 60;
 371         timeAsHMS.Printf("%u:%02u:%02u", hours, minutes, seconds);
 372     }
 373
 374     return timeAsHMS;
 375 }
 376
 377 wxStaticText *
 378 wxGenericProgressDialog::CreateLabel(const wxString& text, wxSizer *sizer)
 379 {
 380     wxStaticText *label = new wxStaticText(this, wxID_ANY, text);
 381     wxStaticText *value = new wxStaticText(this, wxID_ANY, _("unknown"));
 382
 383     // select placement most native or nice on target GUI
 384 #if defined(__SMARTPHONE__)
 385     // value and time to the left in two rows
 386     sizer->Add(label, 1, wxALIGN_LEFT);
 387     sizer->Add(value, 1, wxALIGN_LEFT);
 388 #elif defined(__WXMSW__) || defined(__WXPM__) || defined(__WXMAC__) || defined(__WXGTK20__)
 389     // value and time centered in one row
 390     sizer->Add(label, 1, wxLARGESMALL(wxALIGN_RIGHT,wxALIGN_LEFT) | wxTOP | wxRIGHT, LAYOUT_MARGIN);
 391     sizer->Add(value, 1, wxALIGN_LEFT | wxTOP, LAYOUT_MARGIN);
 392 #else
 393     // value and time to the right in one row
 394     sizer->Add(label);
 395     sizer->Add(value, 0, wxLEFT, LAYOUT_MARGIN);
 396 #endif
 397
 398     return value;
 399 }
 400
 401 // ----------------------------------------------------------------------------
 402 // wxGenericProgressDialog operations
 403 // ----------------------------------------------------------------------------
 404
 405 bool
 406 wxGenericProgressDialog::Update(int value, const wxString& newmsg, bool *skip)
 407 {
 408     if ( !DoBeforeUpdate(skip) )
 409         return false;
 410
 411     wxASSERT_MSG( value == -1 || m_gauge, wxT("cannot update non existent dialog") );
 412
 413 #ifdef __WXMSW__
 414     value /= m_factor;
 415 #endif // __WXMSW__
 416
 417     wxASSERT_MSG( value <= m_maximum, wxT("invalid progress value") );
 418
 419     if ( m_gauge )
 420         m_gauge->SetValue(value);
 421
 422     UpdateMessage(newmsg);
 423
 424     if ( (m_elapsed || m_remaining || m_estimated) && (value != 0) )
 425     {
 426         unsigned long elapsed;
 427         unsigned long display_remaining;
 428
 429         UpdateTimeEstimates( value,
 430                              elapsed,
 431                              m_display_estimated,
 432                              display_remaining );
 433
 434         SetTimeLabel(elapsed, m_elapsed);
 435         SetTimeLabel(m_display_estimated, m_estimated);
 436         SetTimeLabel(display_remaining, m_remaining);
 437     }
 438
 439     if ( value == m_maximum )
 440     {
 441         if ( m_state == Finished )
 442         {
 443             // ignore multiple calls to Update(m_maximum): it may sometimes be
 444             // troublesome to ensure that Update() is not called twice with the
 445             // same value (e.g. because of the rounding errors) and if we don't
 446             // return now we're going to generate asserts below
 447             return true;
 448         }
 449
 450         // so that we return true below and that out [Cancel] handler knew what
 451         // to do
 452         m_state = Finished;
 453         if( !HasFlag(wxPD_AUTO_HIDE) )
 454         {
 455             EnableClose();
 456             DisableSkip();
 457 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 458             EnableCloseButton();
 459 #endif // __WXMSW__
 460
 461             if ( newmsg.empty() )
 462             {
 463                 // also provide the finishing message if the application didn't
 464                 m_msg->SetLabel(_("Done."));
 465             }
 466
 467             wxCHECK_MSG(wxEventLoopBase::GetActive(), false,
 468                         "wxGenericProgressDialog::Update needs a running event loop");
 469
 470             // allow the window to repaint:
 471             // NOTE: since we yield only for UI events with this call, there
 472             //       should be no side-effects
 473             wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
 474
 475             // NOTE: this call results in a new event loop being created
 476             //       and to a call to ProcessPendingEvents() (which may generate
 477             //       unwanted re-entrancies).
 478             (void)ShowModal();
 479         }
 480         else // auto hide
 481         {
 482             // reenable other windows before hiding this one because otherwise
 483             // Windows wouldn't give the focus back to the window which had
 484             // been previously focused because it would still be disabled
 485             ReenableOtherWindows();
 486
 487             Hide();
 488         }
 489     }
 490     else // not at maximum yet
 491     {
 492         DoAfterUpdate();
 493     }
 494
 495     // update the display in case yielding above didn't do it
 496     Update();
 497
 498     return m_state != Canceled;
 499 }
 500
 501 bool wxGenericProgressDialog::Pulse(const wxString& newmsg, bool *skip)
 502 {
 503     if ( !DoBeforeUpdate(skip) )
 504         return false;
 505
 506     wxASSERT_MSG( m_gauge, wxT("cannot update non existent dialog") );
 507
 508     // show a bit of progress
 509     m_gauge->Pulse();
 510
 511     UpdateMessage(newmsg);
 512
 513     if (m_elapsed || m_remaining || m_estimated)
 514     {
 515         unsigned long elapsed = wxGetCurrentTime() - m_timeStart;
 516
 517         SetTimeLabel(elapsed, m_elapsed);
 518         SetTimeLabel((unsigned long)-1, m_estimated);
 519         SetTimeLabel((unsigned long)-1, m_remaining);
 520     }
 521
 522     DoAfterUpdate();
 523
 524     return m_state != Canceled;
 525 }
 526
 527 bool wxGenericProgressDialog::DoBeforeUpdate(bool *skip)
 528 {
 529     wxCHECK_MSG(wxEventLoopBase::GetActive(), false,
 530                 "wxGenericProgressDialog::DoBeforeUpdate needs a running event loop");
 531
 532     // we have to yield because not only we want to update the display but
 533     // also to process the clicks on the cancel and skip buttons
 534     // NOTE: using YieldFor() this call shouldn't give re-entrancy problems
 535     //       for event handlers not interested to UI/user-input events.
 536     wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI|wxEVT_CATEGORY_USER_INPUT);
 537
 538     Update();
 539
 540     if ( m_skip && skip && !*skip )
 541     {
 542         *skip = true;
 543         m_skip = false;
 544         EnableSkip();
 545     }
 546
 547     return m_state != Canceled;
 548 }
 549
 550 void wxGenericProgressDialog::DoAfterUpdate()
 551 {
 552     wxCHECK_RET(wxEventLoopBase::GetActive(),
 553                 "wxGenericProgressDialog::DoAfterUpdate needs a running event loop");
 554
 555     // allow the window to repaint:
 556     // NOTE: since we yield only for UI events with this call, there
 557     //       should be no side-effects
 558     wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
 559 }
 560
 561 void wxGenericProgressDialog::Resume()
 562 {
 563     m_state = Continue;
 564     m_ctdelay = m_delay; // force an update of the elapsed/estimated/remaining time
 565     m_break += wxGetCurrentTime()-m_timeStop;
 566
 567     EnableAbort();
 568     EnableSkip();
 569     m_skip = false;
 570 }
 571
 572 bool wxGenericProgressDialog::Show( bool show )
 573 {
 574     // reenable other windows before hiding this one because otherwise
 575     // Windows wouldn't give the focus back to the window which had
 576     // been previously focused because it would still be disabled
 577     if(!show)
 578         ReenableOtherWindows();
 579
 580     return wxDialog::Show(show);
 581 }
 582
 583 int wxGenericProgressDialog::GetValue() const
 584 {
 585     if (m_gauge)
 586         return m_gauge->GetValue();
 587     return wxNOT_FOUND;
 588 }
 589
 590 int wxGenericProgressDialog::GetRange() const
 591 {
 592     if (m_gauge)
 593         return m_gauge->GetRange();
 594     return wxNOT_FOUND;
 595 }
 596
 597 wxString wxGenericProgressDialog::GetMessage() const
 598 {
 599     return m_msg->GetLabel();
 600 }
 601
 602 void wxGenericProgressDialog::SetRange(int maximum)
 603 {
 604     wxASSERT_MSG(m_gauge, "The dialog should have been constructed with a range > 0");
 605     wxASSERT_MSG(maximum > 0, "Invalid range");
 606
 607     m_gauge->SetRange(maximum);
 608     m_maximum = maximum;
 609
 610 #if defined(__WXMSW__) || defined(__WXPM__)
 611     // we can't have values > 65,536 in the progress control under Windows, so
 612     // scale everything down
 613     m_factor = m_maximum / 65536 + 1;
 614     m_maximum /= m_factor;
 615 #endif // __WXMSW__
 616 }
 617
 618
 619 bool wxGenericProgressDialog::WasCancelled() const
 620 {
 621     return m_hasAbortButton && m_state == Canceled;
 622 }
 623
 624 bool wxGenericProgressDialog::WasSkipped() const
 625 {
 626     return m_hasSkipButton && m_skip;
 627 }
 628
 629 // static
 630 void wxGenericProgressDialog::SetTimeLabel(unsigned long val,
 631                                            wxStaticText *label)
 632 {
 633     if ( label )
 634     {
 635         wxString s;
 636
 637         if (val != (unsigned long)-1)
 638         {
 639             s = GetFormattedTime(val);
 640         }
 641         else
 642         {
 643             s = _("Unknown");
 644         }
 645
 646         if ( s != label->GetLabel() )
 647             label->SetLabel(s);
 648     }
 649 }
 650
 651 // ----------------------------------------------------------------------------
 652 // event handlers
 653 // ----------------------------------------------------------------------------
 654
 655 void wxGenericProgressDialog::OnCancel(wxCommandEvent& event)
 656 {
 657     if ( m_state == Finished )
 658     {
 659         // this means that the count down is already finished and we're being
 660         // shown as a modal dialog - so just let the default handler do the job
 661         event.Skip();
 662     }
 663     else
 664     {
 665         // request to cancel was received, the next time Update() is called we
 666         // will handle it
 667         m_state = Canceled;
 668
 669         // update the buttons state immediately so that the user knows that the
 670         // request has been noticed
 671         DisableAbort();
 672         DisableSkip();
 673
 674         // save the time when the dialog was stopped
 675         m_timeStop = wxGetCurrentTime();
 676     }
 677 }
 678
 679 void wxGenericProgressDialog::OnSkip(wxCommandEvent& WXUNUSED(event))
 680 {
 681     DisableSkip();
 682     m_skip = true;
 683 }
 684
 685 void wxGenericProgressDialog::OnClose(wxCloseEvent& event)
 686 {
 687     if ( m_state == Uncancelable )
 688     {
 689         // can't close this dialog
 690         event.Veto();
 691     }
 692     else if ( m_state == Finished )
 693     {
 694         // let the default handler close the window as we already terminated
 695         event.Skip();
 696     }
 697     else
 698     {
 699         // next Update() will notice it
 700         m_state = Canceled;
 701         DisableAbort();
 702         DisableSkip();
 703
 704         m_timeStop = wxGetCurrentTime();
 705     }
 706 }
 707
 708 // ----------------------------------------------------------------------------
 709 // destruction
 710 // ----------------------------------------------------------------------------
 711
 712 wxGenericProgressDialog::~wxGenericProgressDialog()
 713 {
 714     // normally this should have been already done, but just in case
 715     ReenableOtherWindows();
 716 }
 717
 718 void wxGenericProgressDialog::DisableOtherWindows()
 719 {
 720     if ( HasFlag(wxPD_APP_MODAL) )
 721     {
 722         m_winDisabler = new wxWindowDisabler(this);
 723     }
 724     else
 725     {
 726         if ( m_parentTop )
 727             m_parentTop->Disable();
 728         m_winDisabler = NULL;
 729     }
 730 }
 731
 732 void wxGenericProgressDialog::ReenableOtherWindows()
 733 {
 734     if ( HasFlag(wxPD_APP_MODAL) )
 735     {
 736         wxDELETE(m_winDisabler);
 737     }
 738     else
 739     {
 740         if ( m_parentTop )
 741             m_parentTop->Enable();
 742     }
 743 }
 744
 745 // ----------------------------------------------------------------------------
 746 // private functions
 747 // ----------------------------------------------------------------------------
 748
 749 void wxGenericProgressDialog::EnableSkip(bool enable)
 750 {
 751     if(m_hasSkipButton)
 752     {
 753 #ifdef __SMARTPHONE__
 754         if(enable)
 755             SetRightMenu(wxID_SKIP, _("Skip"));
 756         else
 757             SetRightMenu();
 758 #else
 759         if(m_btnSkip)
 760             m_btnSkip->Enable(enable);
 761 #endif
 762     }
 763 }
 764
 765 void wxGenericProgressDialog::EnableAbort(bool enable)
 766 {
 767     if(m_hasAbortButton)
 768     {
 769 #ifdef __SMARTPHONE__
 770         if(enable)
 771             SetLeftMenu(wxID_CANCEL); // stock buttons makes Cancel label
 772         else
 773             SetLeftMenu();
 774 #else
 775         if(m_btnAbort)
 776             m_btnAbort->Enable(enable);
 777 #endif
 778     }
 779 }
 780
 781 void wxGenericProgressDialog::EnableClose()
 782 {
 783     if(m_hasAbortButton)
 784     {
 785 #ifdef __SMARTPHONE__
 786         SetLeftMenu(wxID_CANCEL, _("Close"));
 787 #else
 788         if(m_btnAbort)
 789         {
 790             m_btnAbort->Enable();
 791             m_btnAbort->SetLabel(_("Close"));
 792         }
 793 #endif
 794     }
 795 }
 796
 797 void wxGenericProgressDialog::UpdateMessage(const wxString &newmsg)
 798 {
 799     wxCHECK_RET(wxEventLoopBase::GetActive(),
 800                 "wxGenericProgressDialog::UpdateMessage needs a running event loop");
 801
 802     if ( !newmsg.empty() && newmsg != m_msg->GetLabel() )
 803     {
 804         m_msg->SetLabel(newmsg);
 805
 806         // allow the window to repaint:
 807         // NOTE: since we yield only for UI events with this call, there
 808         //       should be no side-effects
 809         wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
 810     }
 811 }
 812
 813 #endif // wxUSE_PROGRESSDLG