samples/dialogs/dialogs.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dialogs.cpp
   3 // Purpose:     Common dialogs demo
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation
  14 #pragma interface
  15 #endif
  16
  17 // For compilers that support precompilation, includes "wx/wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 #ifndef WX_PRECOMP
  25 #include "wx/wx.h"
  26 #endif
  27
  28 #include "wx/colordlg.h"
  29 #include "wx/filedlg.h"
  30 #include "wx/dirdlg.h"
  31 #include "wx/fontdlg.h"
  32 #include "wx/choicdlg.h"
  33 #include "wx/tipdlg.h"
  34 #include "wx/progdlg.h"
  35
  36 // New wxGenericDirCtrl
  37 #include "wx/dirctrl.h"
  38
  39 #define wxTEST_GENERIC_DIALOGS_IN_MSW 0
  40
  41 #if defined(__WXMSW__) && wxTEST_GENERIC_DIALOGS_IN_MSW
  42 #include <wx/generic/colrdlgg.h>
  43 #include <wx/generic/fontdlgg.h>
  44 #endif
  45
  46 #include "dialogs.h"
  47
  48 IMPLEMENT_APP(MyApp)
  49
  50 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
  51     EVT_PAINT(MyCanvas::OnPaint)
  52 END_EVENT_TABLE()
  53
  54 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  55     EVT_MENU(DIALOGS_CHOOSE_COLOUR,                 MyFrame::ChooseColour)
  56     EVT_MENU(DIALOGS_CHOOSE_FONT,                   MyFrame::ChooseFont)
  57     EVT_MENU(DIALOGS_LOG_DIALOG,                    MyFrame::LogDialog)
  58     EVT_MENU(DIALOGS_MESSAGE_BOX,                   MyFrame::MessageBox)
  59     EVT_MENU(DIALOGS_TEXT_ENTRY,                    MyFrame::TextEntry)
  60     EVT_MENU(DIALOGS_PASSWORD_ENTRY,                MyFrame::PasswordEntry)
  61     EVT_MENU(DIALOGS_NUM_ENTRY,                     MyFrame::NumericEntry)
  62     EVT_MENU(DIALOGS_SINGLE_CHOICE,                 MyFrame::SingleChoice)
  63     EVT_MENU(DIALOGS_FILE_OPEN,                     MyFrame::FileOpen)
  64     EVT_MENU(DIALOGS_FILES_OPEN,                    MyFrame::FilesOpen)
  65     EVT_MENU(DIALOGS_FILE_SAVE,                     MyFrame::FileSave)
  66     EVT_MENU(DIALOGS_DIR_CHOOSE,                    MyFrame::DirChoose)
  67     EVT_MENU(DIALOGS_GENERIC_DIR_CHOOSE,            MyFrame::GenericDirChoose)
  68     EVT_MENU(DIALOGS_MODAL,                         MyFrame::ModalDlg)
  69     EVT_MENU(DIALOGS_MODELESS,                      MyFrame::ModelessDlg)
  70     EVT_MENU(DIALOGS_TIP,                           MyFrame::ShowTip)
  71 #if defined(__WXMSW__) && wxTEST_GENERIC_DIALOGS_IN_MSW
  72     EVT_MENU(DIALOGS_CHOOSE_COLOUR_GENERIC,         MyFrame::ChooseColourGeneric)
  73     EVT_MENU(DIALOGS_CHOOSE_FONT_GENERIC,           MyFrame::ChooseFontGeneric)
  74 #endif
  75 #if wxUSE_PROGRESSDLG
  76     EVT_MENU(DIALOGS_PROGRESS,                      MyFrame::ShowProgress)
  77 #endif
  78     EVT_MENU(wxID_EXIT,                             MyFrame::OnExit)
  79
  80     EVT_BUTTON(DIALOGS_MODELESS_BTN,                MyFrame::OnButton)
  81 END_EVENT_TABLE()
  82
  83 BEGIN_EVENT_TABLE(MyModalDialog, wxDialog)
  84     EVT_BUTTON(-1, MyModalDialog::OnButton)
  85 END_EVENT_TABLE()
  86
  87 BEGIN_EVENT_TABLE(MyModelessDialog, wxDialog)
  88     EVT_CLOSE(MyModelessDialog::OnClose)
  89 END_EVENT_TABLE()
  90
  91 MyCanvas *myCanvas = (MyCanvas *) NULL;
  92
  93 // `Main program' equivalent, creating windows and returning main app frame
  94 bool MyApp::OnInit()
  95 {
  96 #if defined(__WXGTK__) && defined(wxUSE_UNICODE)
  97   wxConvCurrent = &wxConvLibc;
  98 #endif
  99
 100   m_canvasTextColour = wxColour("BLACK");
 101   m_canvasFont = *wxNORMAL_FONT;
 102
 103   // Create the main frame window
 104   MyFrame *frame = new MyFrame((wxFrame *) NULL, (char *) "wxWindows dialogs example", wxPoint(20, 20), wxSize(400, 300));
 105
 106   // Make a menubar
 107   wxMenu *file_menu = new wxMenu;
 108
 109   file_menu->Append(DIALOGS_CHOOSE_COLOUR, "&Choose colour");
 110
 111 #if defined(__WXMSW__) && wxTEST_GENERIC_DIALOGS_IN_MSW
 112   file_menu->Append(DIALOGS_CHOOSE_COLOUR_GENERIC, "Choose colour (&generic)");
 113 #endif
 114
 115   file_menu->AppendSeparator();
 116   file_menu->Append(DIALOGS_CHOOSE_FONT, "Choose &font");
 117
 118 #if defined(__WXMSW__) && wxTEST_GENERIC_DIALOGS_IN_MSW
 119   file_menu->Append(DIALOGS_CHOOSE_FONT_GENERIC, "Choose f&ont (generic)");
 120
 121 #endif
 122   file_menu->AppendSeparator();
 123   file_menu->Append(DIALOGS_LOG_DIALOG, "&Log dialog\tCtrl-L");
 124   file_menu->Append(DIALOGS_MESSAGE_BOX, "&Message box\tCtrl-M");
 125   file_menu->Append(DIALOGS_TEXT_ENTRY,  "Text &entry\tCtrl-E");
 126   file_menu->Append(DIALOGS_PASSWORD_ENTRY,  "&Password entry\tCtrl-P");
 127   file_menu->Append(DIALOGS_NUM_ENTRY, "&Numeric entry\tCtrl-N");
 128   file_menu->Append(DIALOGS_SINGLE_CHOICE,  "&Single choice\tCtrl-C");
 129   file_menu->AppendSeparator();
 130   file_menu->Append(DIALOGS_TIP,  "&Tip of the day\tCtrl-T");
 131   file_menu->AppendSeparator();
 132   file_menu->Append(DIALOGS_FILE_OPEN,  "&Open file\tCtrl-O");
 133   file_menu->Append(DIALOGS_FILES_OPEN,  "Open &files\tCtrl-Q");
 134   file_menu->Append(DIALOGS_FILE_SAVE,  "Sa&ve file\tCtrl-S");
 135   file_menu->Append(DIALOGS_DIR_CHOOSE,  "&Choose a directory\tCtrl-D");
 136   file_menu->Append(DIALOGS_GENERIC_DIR_CHOOSE,  "&Choose a directory (generic implementation)");
 137 #if wxUSE_PROGRESSDLG
 138   file_menu->Append(DIALOGS_PROGRESS, "Pro&gress dialog\tCtrl-G");
 139 #endif // wxUSE_PROGRESSDLG
 140   file_menu->AppendSeparator();
 141   file_menu->Append(DIALOGS_MODAL, "Mo&dal dialog\tCtrl-F");
 142   file_menu->Append(DIALOGS_MODELESS, "Modeless &dialog\tCtrl-Z", "", TRUE);
 143   file_menu->AppendSeparator();
 144   file_menu->Append(wxID_EXIT, "E&xit\tAlt-X");
 145   wxMenuBar *menu_bar = new wxMenuBar;
 146   menu_bar->Append(file_menu, "&File");
 147   frame->SetMenuBar(menu_bar);
 148
 149   myCanvas = new MyCanvas(frame);
 150   myCanvas->SetBackgroundColour(*wxWHITE);
 151
 152   frame->Centre(wxBOTH);
 153
 154   // Show the frame
 155   frame->Show(TRUE);
 156
 157   SetTopWindow(frame);
 158
 159   return TRUE;
 160 }
 161
 162 // My frame constructor
 163 MyFrame::MyFrame(wxWindow *parent,
 164                  const wxString& title,
 165                  const wxPoint& pos,
 166                  const wxSize& size)
 167        : wxFrame(parent, -1, title, pos, size)
 168 {
 169     m_dialog = (MyModelessDialog *)NULL;
 170 }
 171
 172 void MyFrame::ChooseColour(wxCommandEvent& WXUNUSED(event) )
 173 {
 174     wxColourData data;
 175     data.SetChooseFull(TRUE);
 176     for (int i = 0; i < 16; i++)
 177     {
 178         wxColour colour(i*16, i*16, i*16);
 179         data.SetCustomColour(i, colour);
 180     }
 181
 182     wxColourDialog *dialog = new wxColourDialog(this, &data);
 183     dialog->SetTitle("Choose the background colour");
 184     if (dialog->ShowModal() == wxID_OK)
 185     {
 186         wxColourData retData = dialog->GetColourData();
 187         wxColour col = retData.GetColour();
 188         myCanvas->SetBackgroundColour(col);
 189         myCanvas->Clear();
 190         myCanvas->Refresh();
 191     }
 192     dialog->Destroy();
 193 }
 194
 195 void MyFrame::ChooseFont(wxCommandEvent& WXUNUSED(event) )
 196 {
 197       wxFontData data;
 198       data.SetInitialFont(wxGetApp().m_canvasFont);
 199       data.SetColour(wxGetApp().m_canvasTextColour);
 200
 201       wxFontDialog *dialog = new wxFontDialog(this, &data);
 202       if (dialog->ShowModal() == wxID_OK)
 203       {
 204         wxFontData retData = dialog->GetFontData();
 205         wxGetApp().m_canvasFont = retData.GetChosenFont();
 206         wxGetApp().m_canvasTextColour = retData.GetColour();
 207         myCanvas->Refresh();
 208       }
 209       dialog->Destroy();
 210 }
 211
 212 #if defined(__WXMSW__) && wxTEST_GENERIC_DIALOGS_IN_MSW
 213 void MyFrame::ChooseColourGeneric(wxCommandEvent& WXUNUSED(event))
 214 {
 215       wxColourData data;
 216       data.SetChooseFull(TRUE);
 217       for (int i = 0; i < 16; i++)
 218       {
 219         wxColour colour(i*16, i*16, i*16);
 220         data.SetCustomColour(i, colour);
 221       }
 222
 223       wxGenericColourDialog *dialog = new wxGenericColourDialog(this, &data);
 224       if (dialog->ShowModal() == wxID_OK)
 225       {
 226         wxColourData retData = dialog->GetColourData();
 227         wxColour col = retData.GetColour();
 228 //        wxBrush *brush = wxTheBrushList->FindOrCreateBrush(&col, wxSOLID);
 229         myCanvas->SetBackgroundColour(col);
 230         myCanvas->Clear();
 231         myCanvas->Refresh();
 232       }
 233       dialog->Destroy();
 234 }
 235
 236 void MyFrame::ChooseFontGeneric(wxCommandEvent& WXUNUSED(event) )
 237 {
 238       wxFontData data;
 239       data.SetInitialFont(wxGetApp().m_canvasFont);
 240       data.SetColour(wxGetApp().m_canvasTextColour);
 241
 242       wxGenericFontDialog *dialog = new wxGenericFontDialog(this, &data);
 243       if (dialog->ShowModal() == wxID_OK)
 244       {
 245         wxFontData retData = dialog->GetFontData();
 246         wxGetApp().m_canvasFont = retData.GetChosenFont();
 247         wxGetApp().m_canvasTextColour = retData.GetColour();
 248         myCanvas->Refresh();
 249       }
 250       dialog->Destroy();
 251 }
 252 #endif // wxTEST_GENERIC_DIALOGS_IN_MSW
 253
 254 void MyFrame::LogDialog(wxCommandEvent& event)
 255 {
 256     // calling wxYield() (as ~wxBusyCursor does) shouldn't result in messages
 257     // being flushed -- test it
 258     {
 259         wxBusyCursor bc;
 260         wxLogMessage("This is some message - everything is ok so far.");
 261         wxLogMessage("Another message...\n... this one is on multiple lines");
 262         wxLogWarning("And then something went wrong!");
 263     }
 264
 265     wxLogError("Intermediary error handler decided to abort.");
 266     wxLogError("The top level caller detected an unrecoverable error.");
 267
 268     wxLog::FlushActive();
 269
 270     wxLogMessage("And this is the same dialog but with only one message.");
 271 }
 272
 273 void MyFrame::MessageBox(wxCommandEvent& WXUNUSED(event) )
 274 {
 275   wxMessageDialog dialog( NULL, "This is a message box\nA long, long string to test out the message box properly",
 276       "Message box text", wxYES_NO|wxCANCEL|wxICON_INFORMATION);
 277
 278   dialog.ShowModal();
 279 }
 280
 281 void MyFrame::NumericEntry(wxCommandEvent& WXUNUSED(event) )
 282 {
 283     long res = wxGetNumberFromUser( "This is some text, actually a lot of text.\n"
 284                                     "Even two rows of text.",
 285                                     "Enter a number:", "Numeric input test",
 286                                      50, 0, 100, this );
 287
 288     wxString msg;
 289     int icon;
 290     if ( res == -1 )
 291     {
 292         msg = "Invalid number entered or dialog cancelled.";
 293         icon = wxICON_HAND;
 294     }
 295     else
 296     {
 297         msg.Printf(_T("You've entered %lu"), res );
 298         icon = wxICON_INFORMATION;
 299     }
 300
 301     wxMessageBox(msg, "Numeric test result", wxOK | icon, this);
 302 }
 303
 304 void MyFrame::PasswordEntry(wxCommandEvent& WXUNUSED(event))
 305 {
 306     wxString pwd = wxGetPasswordFromUser("Enter password:",
 307                                          "Password entry dialog",
 308                                          "",
 309                                          this);
 310     if ( !!pwd )
 311     {
 312         wxMessageBox(wxString::Format("Your password is '%s'", pwd.c_str()),
 313                      "Got password", wxOK | wxICON_INFORMATION, this);
 314     }
 315 }
 316
 317 void MyFrame::TextEntry(wxCommandEvent& WXUNUSED(event))
 318 {
 319   wxTextEntryDialog dialog(this,
 320                            "This is a small sample\n"
 321                            "A long, long string to test out the text entrybox",
 322                            "Please enter a string",
 323                            "Default value",
 324                            wxOK | wxCANCEL);
 325
 326   if (dialog.ShowModal() == wxID_OK)
 327   {
 328     wxMessageDialog dialog2(this, dialog.GetValue(), "Got string");
 329     dialog2.ShowModal();
 330   }
 331 }
 332
 333 void MyFrame::SingleChoice(wxCommandEvent& WXUNUSED(event) )
 334 {
 335     const wxString choices[] = { "One", "Two", "Three", "Four", "Five" } ;
 336     int n = 5;
 337
 338     wxSingleChoiceDialog dialog(this, "This is a small sample\nA single-choice convenience dialog",
 339         "Please select a value", n, (const wxString *)choices);
 340
 341     dialog.SetSelection(2);
 342
 343     if (dialog.ShowModal() == wxID_OK)
 344     {
 345         wxMessageDialog dialog2(this, dialog.GetStringSelection(), "Got string");
 346         dialog2.ShowModal();
 347     }
 348 }
 349
 350 void MyFrame::FileOpen(wxCommandEvent& WXUNUSED(event) )
 351 {
 352     wxFileDialog dialog(this, "Testing open file dialog", "", "", "*.txt", 0);
 353
 354     if (dialog.ShowModal() == wxID_OK)
 355     {
 356         wxString info;
 357         info.Printf(_T("Full file name: %s\n")
 358                     _T("Path: %s\n")
 359                     _T("Name: %s"),
 360                     dialog.GetPath().c_str(),
 361                     dialog.GetDirectory().c_str(),
 362                     dialog.GetFilename().c_str());
 363         wxMessageDialog dialog2(this, info, "Selected file");
 364         dialog2.ShowModal();
 365     }
 366 }
 367
 368 void MyFrame::FilesOpen(wxCommandEvent& WXUNUSED(event) )
 369 {
 370     wxFileDialog dialog(this, "Testing open multiple file dialog",
 371                         "", "", wxFileSelectorDefaultWildcardStr,
 372                         wxMULTIPLE);
 373
 374     if (dialog.ShowModal() == wxID_OK)
 375     {
 376         wxArrayString paths, filenames;
 377
 378         dialog.GetPaths(paths);
 379         dialog.GetFilenames(filenames);
 380
 381         wxString msg, s;
 382         size_t count = paths.GetCount();
 383         for ( size_t n = 0; n < count; n++ )
 384         {
 385             s.Printf(_T("File %d: %s (%s)\n"),
 386                      n, paths[n].c_str(), filenames[n].c_str());
 387
 388             msg += s;
 389         }
 390
 391         wxMessageDialog dialog2(this, msg, "Selected files");
 392         dialog2.ShowModal();
 393     }
 394 }
 395
 396 void MyFrame::FileSave(wxCommandEvent& WXUNUSED(event) )
 397 {
 398     wxFileDialog dialog(this, "Testing save file dialog", "", "myletter.txt",
 399         "Text files (*.txt)|*.txt|Document files (*.doc)|*.doc",
 400         wxSAVE|wxOVERWRITE_PROMPT);
 401
 402     if (dialog.ShowModal() == wxID_OK)
 403     {
 404         wxChar buf[400];
 405         wxSprintf(buf, _T("%s, filter %d"), (const wxChar*)dialog.GetPath(), dialog.GetFilterIndex());
 406         wxMessageDialog dialog2(this, wxString(buf), "Selected path");
 407         dialog2.ShowModal();
 408     }
 409 }
 410
 411 void MyFrame::DirChoose(wxCommandEvent& WXUNUSED(event) )
 412 {
 413     // pass some initial dir to wxDirDialog
 414     wxString dirHome;
 415     wxGetHomeDir(&dirHome);
 416
 417     wxDirDialog dialog(this, "Testing directory picker", dirHome);
 418
 419     if (dialog.ShowModal() == wxID_OK)
 420     {
 421         wxMessageDialog dialog2(this, dialog.GetPath(), "Selected path");
 422         dialog2.ShowModal();
 423     }
 424 }
 425
 426 void MyFrame::GenericDirChoose(wxCommandEvent& WXUNUSED(event) )
 427 {
 428     // pass some initial dir to wxDirDialog
 429     wxString dirHome;
 430     wxGetHomeDir(&dirHome);
 431
 432     wxGenericDirDialog dialog(this, "Testing generic directory picker", dirHome);
 433
 434     if (dialog.ShowModal() == wxID_OK)
 435     {
 436         wxMessageDialog dialog2(this, dialog.GetPath(), "Selected path");
 437         dialog2.ShowModal();
 438     }
 439 }
 440
 441 void MyFrame::ModalDlg(wxCommandEvent& WXUNUSED(event))
 442 {
 443     MyModalDialog dlg(this);
 444     dlg.ShowModal();
 445 }
 446
 447 void MyFrame::ModelessDlg(wxCommandEvent& event)
 448 {
 449     bool show = GetMenuBar()->IsChecked(event.GetInt());
 450
 451     if ( show )
 452     {
 453         if ( !m_dialog )
 454         {
 455             m_dialog = new MyModelessDialog(this);
 456         }
 457
 458         m_dialog->Show(TRUE);
 459     }
 460     else // hide
 461     {
 462         m_dialog->Hide();
 463     }
 464 }
 465
 466 void MyFrame::OnButton(wxCommandEvent& WXUNUSED(event))
 467 {
 468     wxMessageBox("Button pressed in modeless dialog", "Info",
 469                  wxOK | wxICON_INFORMATION, this);
 470 }
 471
 472 void MyFrame::ShowTip(wxCommandEvent& event)
 473 {
 474 #if wxUSE_STARTUP_TIPS
 475     static size_t s_index = (size_t)-1;
 476
 477     if ( s_index == (size_t)-1 )
 478     {
 479         srand(time(NULL));
 480
 481         // this is completely bogus, we don't know how many lines are there
 482         // in the file, but who cares, it's a demo only...
 483         s_index = rand() % 5;
 484     }
 485
 486     wxTipProvider *tipProvider = wxCreateFileTipProvider("tips.txt", s_index);
 487
 488     bool showAtStartup = wxShowTip(this, tipProvider);
 489
 490     if ( showAtStartup )
 491     {
 492         wxMessageBox("Will show tips on startup", "Tips dialog",
 493                      wxOK | wxICON_INFORMATION, this);
 494     }
 495
 496     s_index = tipProvider->GetCurrentTip();
 497     delete tipProvider;
 498 #endif
 499 }
 500
 501 void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event) )
 502 {
 503     Close(TRUE);
 504 }
 505
 506 #if wxUSE_PROGRESSDLG
 507
 508 void MyFrame::ShowProgress( wxCommandEvent& WXUNUSED(event) )
 509 {
 510     static const int max = 10;
 511
 512     wxProgressDialog dialog("Progress dialog example",
 513                             "An informative message",
 514                             max,    // range
 515                             this,   // parent
 516                             wxPD_CAN_ABORT |
 517                             wxPD_APP_MODAL |
 518                             wxPD_ELAPSED_TIME |
 519                             wxPD_ESTIMATED_TIME |
 520                             wxPD_REMAINING_TIME);
 521
 522     bool cont = TRUE;
 523     for ( int i = 0; i <= max && cont; i++ )
 524     {
 525         wxSleep(1);
 526         if ( i == max )
 527         {
 528             cont = dialog.Update(i, "That's all, folks!");
 529         }
 530         else if ( i == max / 2 )
 531         {
 532             cont = dialog.Update(i, "Only a half left (very long message)!");
 533         }
 534         else
 535         {
 536             cont = dialog.Update(i);
 537         }
 538     }
 539
 540     if ( !cont )
 541     {
 542         wxLogStatus("Progress dialog aborted!");
 543     }
 544     else
 545     {
 546         wxLogStatus("Countdown from %d finished", max);
 547     }
 548 }
 549
 550 #endif // wxUSE_PROGRESSDLG
 551
 552 // ----------------------------------------------------------------------------
 553 // MyCanvas
 554 // ----------------------------------------------------------------------------
 555
 556 void MyCanvas::OnPaint(wxPaintEvent& WXUNUSED(event) )
 557 {
 558     wxPaintDC dc(this);
 559     dc.SetFont(wxGetApp().m_canvasFont);
 560     dc.SetTextForeground(wxGetApp().m_canvasTextColour);
 561     dc.SetBackgroundMode(wxTRANSPARENT);
 562     dc.DrawText("wxWindows common dialogs test application", 10, 10);
 563 }
 564
 565 // ----------------------------------------------------------------------------
 566 // MyModelessDialog
 567 // ----------------------------------------------------------------------------
 568
 569 MyModelessDialog::MyModelessDialog(wxWindow *parent)
 570                 : wxDialog(parent, -1, wxString("Modeless dialog"))
 571 {
 572     wxBoxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
 573
 574     wxButton *btn = new wxButton(this, DIALOGS_MODELESS_BTN, "Press me");
 575     wxCheckBox *check = new wxCheckBox(this, -1, "Should be disabled");
 576     check->Disable();
 577
 578     sizerTop->Add(btn, 1, wxEXPAND | wxALL, 5);
 579     sizerTop->Add(check, 1, wxEXPAND | wxALL, 5);
 580
 581     SetAutoLayout(TRUE);
 582     SetSizer(sizerTop);
 583
 584     sizerTop->SetSizeHints(this);
 585     sizerTop->Fit(this);
 586 }
 587
 588 void MyModelessDialog::OnClose(wxCloseEvent& event)
 589 {
 590     if ( event.CanVeto() )
 591     {
 592         wxMessageBox("Use the menu item to close this dialog",
 593                      "Modeless dialog",
 594                      wxOK | wxICON_INFORMATION, this);
 595
 596         event.Veto();
 597     }
 598 }
 599
 600 // ----------------------------------------------------------------------------
 601 // MyModalDialog
 602 // ----------------------------------------------------------------------------
 603
 604 MyModalDialog::MyModalDialog(wxWindow *parent)
 605              : wxDialog(parent, -1, wxString("Modal dialog"))
 606 {
 607     wxBoxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
 608
 609     m_btnFocused = new wxButton(this, -1, "Default button");
 610     m_btnDelete = new wxButton(this, -1, "&Delete button");
 611     sizerTop->Add(m_btnFocused, 0, wxALIGN_CENTER | wxALL, 5);
 612     sizerTop->Add(m_btnDelete, 0, wxALIGN_CENTER | wxALL, 5);
 613
 614     SetAutoLayout(TRUE);
 615     SetSizer(sizerTop);
 616
 617     sizerTop->SetSizeHints(this);
 618     sizerTop->Fit(this);
 619
 620     m_btnFocused->SetFocus();
 621     m_btnFocused->SetDefault();
 622 }
 623
 624 void MyModalDialog::OnButton(wxCommandEvent& event)
 625 {
 626     if ( event.GetEventObject() == m_btnDelete )
 627     {
 628         delete m_btnFocused;
 629         m_btnFocused = NULL;
 630
 631         m_btnDelete->Disable();
 632     }
 633     else if ( event.GetEventObject() == m_btnFocused )
 634     {
 635         wxGetTextFromUser("Dummy prompt", "Modal dialog called from dialog",
 636                           "", this);
 637     }
 638     else
 639     {
 640         event.Skip();
 641     }
 642 }