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