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     m_winDisabler = NULL;
 130 }
 131
 132 wxGenericProgressDialog::wxGenericProgressDialog(wxWindow *parent,
 133                                                  int maximum,
 134                                                  int style)
 135                        : wxDialog()
 136 {
 137     Init(parent, maximum, style);
 138 }
 139
 140 wxGenericProgressDialog::wxGenericProgressDialog(const wxString& title,
 141                                                  const wxString& message,
 142                                                  int maximum,
 143                                                  wxWindow *parent,
 144                                                  int style)
 145                        : wxDialog()
 146 {
 147     Init(parent, maximum, style);
 148
 149     Create( title, message, maximum, parent, style );
 150 }
 151
 152 void wxGenericProgressDialog::Create( const wxString& title,
 153                                       const wxString& message,
 154                                       int maximum,
 155                                       wxWindow *parent,
 156                                       int style )
 157 {
 158     wxDialog::Create(GetParentForModalDialog(parent, style), wxID_ANY, title);
 159
 160     SetParent( GetParentForModalDialog(parent, style) );
 161     SetTitle( title );
 162
 163     m_hasAbortButton = (style & wxPD_CAN_ABORT) != 0;
 164     m_hasSkipButton = (style & wxPD_CAN_SKIP) != 0;
 165
 166 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 167     // we have to remove the "Close" button from the title bar then as it is
 168     // confusing to have it - it doesn't work anyhow
 169     //
 170     // FIXME: should probably have a (extended?) window style for this
 171     if ( !m_hasAbortButton )
 172     {
 173         EnableCloseButton(false);
 174     }
 175 #endif // wxMSW
 176
 177 #if defined(__SMARTPHONE__)
 178     SetLeftMenu();
 179 #endif
 180
 181     m_state = m_hasAbortButton ? Continue : Uncancelable;
 182
 183     // top-level sizerTop
 184     wxSizer * const sizerTop = new wxBoxSizer(wxVERTICAL);
 185
 186     m_msg = new wxStaticText(this, wxID_ANY, message);
 187     sizerTop->Add(m_msg, 0, wxLEFT | wxTOP, 2*LAYOUT_MARGIN);
 188
 189     if ( maximum > 0 )
 190     {
 191         int gauge_style = wxGA_HORIZONTAL;
 192         if ( style & wxPD_SMOOTH )
 193             gauge_style |= wxGA_SMOOTH;
 194         m_gauge = new wxGauge
 195                       (
 196                         this,
 197                         wxID_ANY,
 198                         m_maximum,
 199                         wxDefaultPosition,
 200                         // make the progress bar sufficiently long
 201                         wxSize(wxMin(wxGetClientDisplayRect().width/3, 300), -1),
 202                         gauge_style
 203                       );
 204
 205         sizerTop->Add(m_gauge, 0, wxLEFT | wxRIGHT | wxTOP | wxEXPAND, 2*LAYOUT_MARGIN);
 206         m_gauge->SetValue(0);
 207     }
 208     else
 209     {
 210         m_gauge = NULL;
 211     }
 212
 213     // create the estimated/remaining/total time zones if requested
 214     m_elapsed =
 215     m_estimated =
 216     m_remaining = NULL;
 217
 218     // also count how many labels we really have
 219     size_t nTimeLabels = 0;
 220
 221     wxSizer * const sizerLabels = new wxFlexGridSizer(2);
 222
 223     if ( style & wxPD_ELAPSED_TIME )
 224     {
 225         nTimeLabels++;
 226
 227         m_elapsed = CreateLabel(GetElapsedLabel(), sizerLabels);
 228     }
 229
 230     if ( style & wxPD_ESTIMATED_TIME )
 231     {
 232         nTimeLabels++;
 233
 234         m_estimated = CreateLabel(GetEstimatedLabel(), sizerLabels);
 235     }
 236
 237     if ( style & wxPD_REMAINING_TIME )
 238     {
 239         nTimeLabels++;
 240
 241         m_remaining = CreateLabel(GetRemainingLabel(), sizerLabels);
 242     }
 243     sizerTop->Add(sizerLabels, 0, wxALIGN_CENTER_HORIZONTAL | wxTOP, LAYOUT_MARGIN);
 244
 245 #if defined(__SMARTPHONE__)
 246     if ( m_hasSkipButton )
 247         SetRightMenu(wxID_SKIP, _("Skip"));
 248     if ( m_hasAbortButton )
 249         SetLeftMenu(wxID_CANCEL);
 250 #else
 251     m_btnAbort =
 252     m_btnSkip = NULL;
 253
 254     wxBoxSizer *buttonSizer = new wxBoxSizer(wxHORIZONTAL);
 255
 256     // Windows dialogs usually have buttons in the lower right corner
 257     const int sizerFlags =
 258 #if defined(__WXMSW__) || defined(__WXPM__)
 259                            wxALIGN_RIGHT | wxALL
 260 #else // !MSW
 261                            wxALIGN_CENTER_HORIZONTAL | wxBOTTOM | wxTOP
 262 #endif // MSW/!MSW
 263                            ;
 264
 265     if ( m_hasSkipButton )
 266     {
 267         m_btnSkip = new wxButton(this, wxID_SKIP, _("&Skip"));
 268
 269         buttonSizer->Add(m_btnSkip, 0, sizerFlags, LAYOUT_MARGIN);
 270     }
 271
 272     if ( m_hasAbortButton )
 273     {
 274         m_btnAbort = new wxButton(this, wxID_CANCEL);
 275
 276         buttonSizer->Add(m_btnAbort, 0, sizerFlags, LAYOUT_MARGIN);
 277     }
 278
 279     if (!m_hasSkipButton && !m_hasAbortButton)
 280         buttonSizer->AddSpacer(LAYOUT_MARGIN);
 281
 282     sizerTop->Add(buttonSizer, 0, sizerFlags, LAYOUT_MARGIN );
 283 #endif // __SMARTPHONE__/!__SMARTPHONE__
 284
 285     SetSizerAndFit(sizerTop);
 286
 287     Centre(wxCENTER_FRAME | wxBOTH);
 288
 289     DisableOtherWindows();
 290
 291     Show();
 292     Enable();
 293
 294     // this one can be initialized even if the others are unknown for now
 295     //
 296     // NB: do it after calling Layout() to keep the labels correctly aligned
 297     if ( m_elapsed )
 298     {
 299         SetTimeLabel(0, m_elapsed);
 300     }
 301
 302     Update();
 303 }
 304
 305 void wxGenericProgressDialog::UpdateTimeEstimates(int value,
 306                                                   unsigned long &elapsedTime,
 307                                                   unsigned long &estimatedTime,
 308                                                   unsigned long &remainingTime)
 309 {
 310     unsigned long elapsed = wxGetCurrentTime() - m_timeStart;
 311     if ( value != 0 && (m_last_timeupdate < elapsed || value == m_maximum) )
 312     {
 313         m_last_timeupdate = elapsed;
 314         unsigned long estimated = m_break +
 315                 (unsigned long)(( (double) (elapsed-m_break) * m_maximum ) / ((double)value)) ;
 316         if (    estimated > m_display_estimated
 317                 && m_ctdelay >= 0
 318             )
 319         {
 320             ++m_ctdelay;
 321         }
 322         else if (    estimated < m_display_estimated
 323                     && m_ctdelay <= 0
 324                 )
 325         {
 326             --m_ctdelay;
 327         }
 328         else
 329         {
 330             m_ctdelay = 0;
 331         }
 332         if (    m_ctdelay >= m_delay          // enough confirmations for a higher value
 333                 || m_ctdelay <= (m_delay*-1)     // enough confirmations for a lower value
 334                 || value == m_maximum            // to stay consistent
 335                 || elapsed > m_display_estimated // to stay consistent
 336                 || ( elapsed > 0 && elapsed < 4 ) // additional updates in the beginning
 337             )
 338         {
 339             m_display_estimated = estimated;
 340             m_ctdelay = 0;
 341         }
 342     }
 343
 344     if ( value != 0 )
 345     {
 346         long display_remaining = m_display_estimated - elapsed;
 347         if ( display_remaining < 0 )
 348         {
 349             display_remaining = 0;
 350         }
 351
 352         estimatedTime = m_display_estimated;
 353         remainingTime = display_remaining;
 354     }
 355
 356     elapsedTime = elapsed;
 357 }
 358
 359 // static
 360 wxString wxGenericProgressDialog::GetFormattedTime(unsigned long timeInSec)
 361 {
 362     wxString timeAsHMS;
 363
 364     if ( timeInSec == (unsigned long)-1 )
 365     {
 366         timeAsHMS = _("Unknown");
 367     }
 368     else
 369     {
 370         unsigned hours = timeInSec / 3600;
 371         unsigned minutes = (timeInSec % 3600) / 60;
 372         unsigned seconds = timeInSec % 60;
 373         timeAsHMS.Printf("%u:%02u:%02u", hours, minutes, seconds);
 374     }
 375
 376     return timeAsHMS;
 377 }
 378
 379 wxStaticText *
 380 wxGenericProgressDialog::CreateLabel(const wxString& text, wxSizer *sizer)
 381 {
 382     wxStaticText *label = new wxStaticText(this, wxID_ANY, text);
 383     wxStaticText *value = new wxStaticText(this, wxID_ANY, _("unknown"));
 384
 385     // select placement most native or nice on target GUI
 386 #if defined(__SMARTPHONE__)
 387     // value and time to the left in two rows
 388     sizer->Add(label, 1, wxALIGN_LEFT);
 389     sizer->Add(value, 1, wxALIGN_LEFT);
 390 #elif defined(__WXMSW__) || defined(__WXPM__) || defined(__WXMAC__) || defined(__WXGTK20__)
 391     // value and time centered in one row
 392     sizer->Add(label, 1, wxLARGESMALL(wxALIGN_RIGHT,wxALIGN_LEFT) | wxTOP | wxRIGHT, LAYOUT_MARGIN);
 393     sizer->Add(value, 1, wxALIGN_LEFT | wxTOP, LAYOUT_MARGIN);
 394 #else
 395     // value and time to the right in one row
 396     sizer->Add(label);
 397     sizer->Add(value, 0, wxLEFT, LAYOUT_MARGIN);
 398 #endif
 399
 400     return value;
 401 }
 402
 403 // ----------------------------------------------------------------------------
 404 // wxGenericProgressDialog operations
 405 // ----------------------------------------------------------------------------
 406
 407 bool
 408 wxGenericProgressDialog::Update(int value, const wxString& newmsg, bool *skip)
 409 {
 410     if ( !DoBeforeUpdate(skip) )
 411         return false;
 412
 413     wxASSERT_MSG( value == -1 || m_gauge, wxT("cannot update non existent dialog") );
 414
 415 #ifdef __WXMSW__
 416     value /= m_factor;
 417 #endif // __WXMSW__
 418
 419     wxASSERT_MSG( value <= m_maximum, wxT("invalid progress value") );
 420
 421     if ( m_gauge )
 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( !HasFlag(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             wxCHECK_MSG(wxEventLoopBase::GetActive(), false,
 470                         "wxGenericProgressDialog::Update needs a running event loop");
 471
 472             // allow the window to repaint:
 473             // NOTE: since we yield only for UI events with this call, there
 474             //       should be no side-effects
 475             wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
 476
 477             // NOTE: this call results in a new event loop being created
 478             //       and to a call to ProcessPendingEvents() (which may generate
 479             //       unwanted re-entrancies).
 480             (void)ShowModal();
 481         }
 482         else // auto hide
 483         {
 484             // reenable other windows before hiding this one because otherwise
 485             // Windows wouldn't give the focus back to the window which had
 486             // been previously focused because it would still be disabled
 487             ReenableOtherWindows();
 488
 489             Hide();
 490         }
 491     }
 492     else // not at maximum yet
 493     {
 494         DoAfterUpdate();
 495     }
 496
 497     // update the display in case yielding above didn't do it
 498     Update();
 499
 500     return m_state != Canceled;
 501 }
 502
 503 bool wxGenericProgressDialog::Pulse(const wxString& newmsg, bool *skip)
 504 {
 505     if ( !DoBeforeUpdate(skip) )
 506         return false;
 507
 508     wxASSERT_MSG( m_gauge, wxT("cannot update non existent dialog") );
 509
 510     // show a bit of progress
 511     m_gauge->Pulse();
 512
 513     UpdateMessage(newmsg);
 514
 515     if (m_elapsed || m_remaining || m_estimated)
 516     {
 517         unsigned long elapsed = wxGetCurrentTime() - m_timeStart;
 518
 519         SetTimeLabel(elapsed, m_elapsed);
 520         SetTimeLabel((unsigned long)-1, m_estimated);
 521         SetTimeLabel((unsigned long)-1, m_remaining);
 522     }
 523
 524     DoAfterUpdate();
 525
 526     return m_state != Canceled;
 527 }
 528
 529 bool wxGenericProgressDialog::DoBeforeUpdate(bool *skip)
 530 {
 531     wxCHECK_MSG(wxEventLoopBase::GetActive(), false,
 532                 "wxGenericProgressDialog::DoBeforeUpdate needs a running event loop");
 533
 534     // we have to yield because not only we want to update the display but
 535     // also to process the clicks on the cancel and skip buttons
 536     // NOTE: using YieldFor() this call shouldn't give re-entrancy problems
 537     //       for event handlers not interested to UI/user-input events.
 538     wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI|wxEVT_CATEGORY_USER_INPUT);
 539
 540     Update();
 541
 542     if ( m_skip && skip && !*skip )
 543     {
 544         *skip = true;
 545         m_skip = false;
 546         EnableSkip();
 547     }
 548
 549     return m_state != Canceled;
 550 }
 551
 552 void wxGenericProgressDialog::DoAfterUpdate()
 553 {
 554     wxCHECK_RET(wxEventLoopBase::GetActive(),
 555                 "wxGenericProgressDialog::DoAfterUpdate needs a running event loop");
 556
 557     // allow the window to repaint:
 558     // NOTE: since we yield only for UI events with this call, there
 559     //       should be no side-effects
 560     wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
 561 }
 562
 563 void wxGenericProgressDialog::Resume()
 564 {
 565     m_state = Continue;
 566     m_ctdelay = m_delay; // force an update of the elapsed/estimated/remaining time
 567     m_break += wxGetCurrentTime()-m_timeStop;
 568
 569     EnableAbort();
 570     EnableSkip();
 571     m_skip = false;
 572 }
 573
 574 bool wxGenericProgressDialog::Show( bool show )
 575 {
 576     // reenable other windows before hiding this one because otherwise
 577     // Windows wouldn't give the focus back to the window which had
 578     // been previously focused because it would still be disabled
 579     if(!show)
 580         ReenableOtherWindows();
 581
 582     return wxDialog::Show(show);
 583 }
 584
 585 int wxGenericProgressDialog::GetValue() const
 586 {
 587     if (m_gauge)
 588         return m_gauge->GetValue();
 589     return wxNOT_FOUND;
 590 }
 591
 592 int wxGenericProgressDialog::GetRange() const
 593 {
 594     if (m_gauge)
 595         return m_gauge->GetRange();
 596     return wxNOT_FOUND;
 597 }
 598
 599 wxString wxGenericProgressDialog::GetMessage() const
 600 {
 601     return m_msg->GetLabel();
 602 }
 603
 604 void wxGenericProgressDialog::SetRange(int maximum)
 605 {
 606     wxASSERT_MSG(m_gauge, "The dialog should have been constructed with a range > 0");
 607     wxASSERT_MSG(maximum > 0, "Invalid range");
 608
 609     m_gauge->SetRange(maximum);
 610     m_maximum = maximum;
 611
 612 #if defined(__WXMSW__) || defined(__WXPM__)
 613     // we can't have values > 65,536 in the progress control under Windows, so
 614     // scale everything down
 615     m_factor = m_maximum / 65536 + 1;
 616     m_maximum /= m_factor;
 617 #endif // __WXMSW__
 618 }
 619
 620
 621 bool wxGenericProgressDialog::WasCancelled() const
 622 {
 623     return m_hasAbortButton && m_state == Canceled;
 624 }
 625
 626 bool wxGenericProgressDialog::WasSkipped() const
 627 {
 628     return m_hasSkipButton && m_skip;
 629 }
 630
 631 // static
 632 void wxGenericProgressDialog::SetTimeLabel(unsigned long val,
 633                                            wxStaticText *label)
 634 {
 635     if ( label )
 636     {
 637         wxString s;
 638
 639         if (val != (unsigned long)-1)
 640         {
 641             s = GetFormattedTime(val);
 642         }
 643         else
 644         {
 645             s = _("Unknown");
 646         }
 647
 648         if ( s != label->GetLabel() )
 649             label->SetLabel(s);
 650     }
 651 }
 652
 653 // ----------------------------------------------------------------------------
 654 // event handlers
 655 // ----------------------------------------------------------------------------
 656
 657 void wxGenericProgressDialog::OnCancel(wxCommandEvent& event)
 658 {
 659     if ( m_state == Finished )
 660     {
 661         // this means that the count down is already finished and we're being
 662         // shown as a modal dialog - so just let the default handler do the job
 663         event.Skip();
 664     }
 665     else
 666     {
 667         // request to cancel was received, the next time Update() is called we
 668         // will handle it
 669         m_state = Canceled;
 670
 671         // update the buttons state immediately so that the user knows that the
 672         // request has been noticed
 673         DisableAbort();
 674         DisableSkip();
 675
 676         // save the time when the dialog was stopped
 677         m_timeStop = wxGetCurrentTime();
 678     }
 679 }
 680
 681 void wxGenericProgressDialog::OnSkip(wxCommandEvent& WXUNUSED(event))
 682 {
 683     DisableSkip();
 684     m_skip = true;
 685 }
 686
 687 void wxGenericProgressDialog::OnClose(wxCloseEvent& event)
 688 {
 689     if ( m_state == Uncancelable )
 690     {
 691         // can't close this dialog
 692         event.Veto();
 693     }
 694     else if ( m_state == Finished )
 695     {
 696         // let the default handler close the window as we already terminated
 697         event.Skip();
 698     }
 699     else
 700     {
 701         // next Update() will notice it
 702         m_state = Canceled;
 703         DisableAbort();
 704         DisableSkip();
 705
 706         m_timeStop = wxGetCurrentTime();
 707     }
 708 }
 709
 710 // ----------------------------------------------------------------------------
 711 // destruction
 712 // ----------------------------------------------------------------------------
 713
 714 wxGenericProgressDialog::~wxGenericProgressDialog()
 715 {
 716     // normally this should have been already done, but just in case
 717     ReenableOtherWindows();
 718 }
 719
 720 void wxGenericProgressDialog::DisableOtherWindows()
 721 {
 722     if ( HasFlag(wxPD_APP_MODAL) )
 723     {
 724         m_winDisabler = new wxWindowDisabler(this);
 725     }
 726     else
 727     {
 728         if ( m_parentTop )
 729             m_parentTop->Disable();
 730         m_winDisabler = NULL;
 731     }
 732 }
 733
 734 void wxGenericProgressDialog::ReenableOtherWindows()
 735 {
 736     if ( HasFlag(wxPD_APP_MODAL) )
 737     {
 738         wxDELETE(m_winDisabler);
 739     }
 740     else
 741     {
 742         if ( m_parentTop )
 743             m_parentTop->Enable();
 744     }
 745 }
 746
 747 // ----------------------------------------------------------------------------
 748 // private functions
 749 // ----------------------------------------------------------------------------
 750
 751 void wxGenericProgressDialog::EnableSkip(bool enable)
 752 {
 753     if(m_hasSkipButton)
 754     {
 755 #ifdef __SMARTPHONE__
 756         if(enable)
 757             SetRightMenu(wxID_SKIP, _("Skip"));
 758         else
 759             SetRightMenu();
 760 #else
 761         if(m_btnSkip)
 762             m_btnSkip->Enable(enable);
 763 #endif
 764     }
 765 }
 766
 767 void wxGenericProgressDialog::EnableAbort(bool enable)
 768 {
 769     if(m_hasAbortButton)
 770     {
 771 #ifdef __SMARTPHONE__
 772         if(enable)
 773             SetLeftMenu(wxID_CANCEL); // stock buttons makes Cancel label
 774         else
 775             SetLeftMenu();
 776 #else
 777         if(m_btnAbort)
 778             m_btnAbort->Enable(enable);
 779 #endif
 780     }
 781 }
 782
 783 void wxGenericProgressDialog::EnableClose()
 784 {
 785     if(m_hasAbortButton)
 786     {
 787 #ifdef __SMARTPHONE__
 788         SetLeftMenu(wxID_CANCEL, _("Close"));
 789 #else
 790         if(m_btnAbort)
 791         {
 792             m_btnAbort->Enable();
 793             m_btnAbort->SetLabel(_("Close"));
 794         }
 795 #endif
 796     }
 797 }
 798
 799 void wxGenericProgressDialog::UpdateMessage(const wxString &newmsg)
 800 {
 801     wxCHECK_RET(wxEventLoopBase::GetActive(),
 802                 "wxGenericProgressDialog::UpdateMessage needs a running event loop");
 803
 804     if ( !newmsg.empty() && newmsg != m_msg->GetLabel() )
 805     {
 806         m_msg->SetLabel(newmsg);
 807
 808         // allow the window to repaint:
 809         // NOTE: since we yield only for UI events with this call, there
 810         //       should be no side-effects
 811         wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
 812     }
 813 }
 814
 815 #endif // wxUSE_PROGRESSDLG