samples/widgets/widgets.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Program:     wxWidgets Widgets Sample
   3 // Name:        widgets.cpp
   4 // Purpose:     Sample showing most of the simple wxWidgets widgets
   5 // Author:      Vadim Zeitlin
   6 // Created:     27.03.01
   7 // Id:          $Id$
   8 // Copyright:   (c) 2001 Vadim Zeitlin
   9 // License:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx/wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 // for all others, include the necessary headers
  28 #ifndef WX_PRECOMP
  29     #include "wx/app.h"
  30     #include "wx/log.h"
  31     #include "wx/frame.h"
  32     #include "wx/menu.h"
  33
  34     #include "wx/button.h"
  35     #include "wx/checkbox.h"
  36     #include "wx/listbox.h"
  37     #include "wx/statbox.h"
  38     #include "wx/stattext.h"
  39     #include "wx/textctrl.h"
  40     #include "wx/msgdlg.h"
  41 #endif
  42
  43 #include "wx/sysopt.h"
  44 #include "wx/bookctrl.h"
  45 #include "wx/sizer.h"
  46 #include "wx/colordlg.h"
  47 #include "wx/fontdlg.h"
  48 #include "wx/textdlg.h"
  49
  50 #include "widgets.h"
  51
  52 // ----------------------------------------------------------------------------
  53 // constants
  54 // ----------------------------------------------------------------------------
  55
  56 // control ids
  57 enum
  58 {
  59     Widgets_ClearLog = 100,
  60     Widgets_Quit,
  61 #if wxUSE_TOOLTIPS
  62     Widgets_SetTooltip,
  63 #endif // wxUSE_TOOLTIPS
  64     Widgets_SetFgColour,
  65     Widgets_SetBgColour,
  66     Widgets_SetFont,
  67     Widgets_Enable
  68 };
  69
  70 // ----------------------------------------------------------------------------
  71 // our classes
  72 // ----------------------------------------------------------------------------
  73
  74 // Define a new application type, each program should derive a class from wxApp
  75 class WidgetsApp : public wxApp
  76 {
  77 public:
  78     // override base class virtuals
  79     // ----------------------------
  80
  81     // this one is called on application startup and is a good place for the app
  82     // initialization (doing it here and not in the ctor allows to have an error
  83     // return: if OnInit() returns false, the application terminates)
  84     virtual bool OnInit();
  85 };
  86
  87 // Define a new frame type: this is going to be our main frame
  88 class WidgetsFrame : public wxFrame
  89 {
  90 public:
  91     // ctor(s) and dtor
  92     WidgetsFrame(const wxString& title);
  93     virtual ~WidgetsFrame();
  94
  95 protected:
  96     // event handlers
  97 #if USE_LOG
  98     void OnButtonClearLog(wxCommandEvent& event);
  99 #endif // USE_LOG
 100     void OnExit(wxCommandEvent& event);
 101
 102 #if wxUSE_MENUS
 103 #if wxUSE_TOOLTIPS
 104     void OnSetTooltip(wxCommandEvent& event);
 105 #endif // wxUSE_TOOLTIPS
 106     void OnSetFgCol(wxCommandEvent& event);
 107     void OnSetBgCol(wxCommandEvent& event);
 108     void OnSetFont(wxCommandEvent& event);
 109     void OnEnable(wxCommandEvent& event);
 110 #endif // wxUSE_MENUS
 111
 112     // initialize the book: add all pages to it
 113     void InitBook();
 114
 115 private:
 116     // the panel containing everything
 117     wxPanel *m_panel;
 118
 119 #if USE_LOG
 120     // the listbox for logging messages
 121     wxListBox *m_lboxLog;
 122
 123     // the log target we use to redirect messages to the listbox
 124     wxLog *m_logTarget;
 125 #endif // USE_LOG
 126
 127     // the book containing the test pages
 128     wxBookCtrl *m_book;
 129
 130     // and the image list for it
 131     wxImageList *m_imaglist;
 132
 133 #if wxUSE_MENUS
 134     // last chosen fg/bg colours and font
 135     wxColour m_colFg,
 136              m_colBg;
 137     wxFont   m_font;
 138 #endif // wxUSE_MENUS
 139
 140     // any class wishing to process wxWidgets events must use this macro
 141     DECLARE_EVENT_TABLE()
 142 };
 143
 144 #if USE_LOG
 145 // A log target which just redirects the messages to a listbox
 146 class LboxLogger : public wxLog
 147 {
 148 public:
 149     LboxLogger(wxListBox *lbox, wxLog *logOld)
 150     {
 151         m_lbox = lbox;
 152         //m_lbox->Disable(); -- looks ugly under MSW
 153         m_logOld = logOld;
 154     }
 155
 156     virtual ~LboxLogger()
 157     {
 158         wxLog::SetActiveTarget(m_logOld);
 159     }
 160
 161 private:
 162     // implement sink functions
 163     virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t)
 164     {
 165         // don't put trace messages into listbox or we can get into infinite
 166         // recursion
 167         if ( level == wxLOG_Trace )
 168         {
 169             if ( m_logOld )
 170             {
 171                 // cast is needed to call protected method
 172                 ((LboxLogger *)m_logOld)->DoLog(level, szString, t);
 173             }
 174         }
 175         else
 176         {
 177             wxLog::DoLog(level, szString, t);
 178         }
 179     }
 180
 181     virtual void DoLogString(const wxChar *szString, time_t WXUNUSED(t))
 182     {
 183         wxString msg;
 184         TimeStamp(&msg);
 185         msg += szString;
 186
 187         #ifdef __WXUNIVERSAL__
 188             m_lbox->AppendAndEnsureVisible(msg);
 189         #else // other ports don't have this method yet
 190             m_lbox->Append(msg);
 191             m_lbox->SetFirstItem(m_lbox->GetCount() - 1);
 192         #endif
 193     }
 194
 195     // the control we use
 196     wxListBox *m_lbox;
 197
 198     // the old log target
 199     wxLog *m_logOld;
 200 };
 201 #endif // USE_LOG
 202
 203 // array of pages
 204 WX_DEFINE_ARRAY_PTR(WidgetsPage *, ArrayWidgetsPage);
 205
 206 // ----------------------------------------------------------------------------
 207 // misc macros
 208 // ----------------------------------------------------------------------------
 209
 210 IMPLEMENT_APP(WidgetsApp)
 211
 212 // ----------------------------------------------------------------------------
 213 // event tables
 214 // ----------------------------------------------------------------------------
 215
 216 BEGIN_EVENT_TABLE(WidgetsFrame, wxFrame)
 217 #if USE_LOG
 218     EVT_BUTTON(Widgets_ClearLog, WidgetsFrame::OnButtonClearLog)
 219 #endif // USE_LOG
 220     EVT_BUTTON(Widgets_Quit, WidgetsFrame::OnExit)
 221
 222 #if wxUSE_TOOLTIPS
 223     EVT_MENU(Widgets_SetTooltip, WidgetsFrame::OnSetTooltip)
 224 #endif // wxUSE_TOOLTIPS
 225
 226     EVT_MENU(Widgets_SetFgColour, WidgetsFrame::OnSetFgCol)
 227     EVT_MENU(Widgets_SetBgColour, WidgetsFrame::OnSetBgCol)
 228     EVT_MENU(Widgets_SetFont,     WidgetsFrame::OnSetFont)
 229     EVT_MENU(Widgets_Enable,      WidgetsFrame::OnEnable)
 230
 231     EVT_MENU(wxID_EXIT, WidgetsFrame::OnExit)
 232 END_EVENT_TABLE()
 233
 234 // ============================================================================
 235 // implementation
 236 // ============================================================================
 237
 238 // ----------------------------------------------------------------------------
 239 // app class
 240 // ----------------------------------------------------------------------------
 241
 242 bool WidgetsApp::OnInit()
 243 {
 244     if ( !wxApp::OnInit() )
 245         return false;
 246
 247     // the reason for having these ifdef's is that I often run two copies of
 248     // this sample side by side and it is useful to see which one is which
 249     wxString title;
 250 #if defined(__WXUNIVERSAL__)
 251     title = _T("wxUniv/");
 252 #endif
 253
 254 #if defined(__WXMSW__)
 255     title += _T("wxMSW");
 256 #elif defined(__WXGTK__)
 257     title += _T("wxGTK");
 258 #elif defined(__WXMAC__)
 259     title += _T("wxMAC");
 260 #elif defined(__WXMOTIF__)
 261     title += _T("wxMOTIF");
 262 #else
 263     title += _T("wxWidgets");
 264 #endif
 265
 266     wxFrame *frame = new WidgetsFrame(title + _T(" widgets demo"));
 267     frame->Show();
 268
 269     //wxLog::AddTraceMask(_T("listbox"));
 270     //wxLog::AddTraceMask(_T("scrollbar"));
 271     //wxLog::AddTraceMask(_T("focus"));
 272
 273     return true;
 274 }
 275
 276 // ----------------------------------------------------------------------------
 277 // WidgetsFrame construction
 278 // ----------------------------------------------------------------------------
 279
 280 WidgetsFrame::WidgetsFrame(const wxString& title)
 281             : wxFrame(NULL, wxID_ANY, title,
 282                       wxPoint(0, 50), wxDefaultSize,
 283                       wxDEFAULT_FRAME_STYLE |
 284                       wxNO_FULL_REPAINT_ON_RESIZE |
 285                       wxCLIP_CHILDREN |
 286                       wxTAB_TRAVERSAL)
 287 {
 288     // init everything
 289 #if USE_LOG
 290     m_lboxLog = (wxListBox *)NULL;
 291     m_logTarget = (wxLog *)NULL;
 292 #endif // USE_LOG
 293     m_book = (wxBookCtrl *)NULL;
 294     m_imaglist = (wxImageList *)NULL;
 295
 296 #if wxUSE_MENUS
 297     // create the menubar
 298     wxMenuBar *mbar = new wxMenuBar;
 299     wxMenu *menuWidget = new wxMenu;
 300 #if wxUSE_TOOLTIPS
 301     menuWidget->Append(Widgets_SetTooltip, _T("Set &tooltip...\tCtrl-T"));
 302     menuWidget->AppendSeparator();
 303 #endif // wxUSE_TOOLTIPS
 304     menuWidget->Append(Widgets_SetFgColour, _T("Set &foreground...\tCtrl-F"));
 305     menuWidget->Append(Widgets_SetBgColour, _T("Set &background...\tCtrl-B"));
 306     menuWidget->Append(Widgets_SetFont,     _T("Set f&ont...\tCtrl-O"));
 307     menuWidget->AppendCheckItem(Widgets_Enable,  _T("&Enable/disable\tCtrl-E"));
 308     menuWidget->AppendSeparator();
 309     menuWidget->Append(wxID_EXIT, _T("&Quit\tCtrl-Q"));
 310     mbar->Append(menuWidget, _T("&Widget"));
 311     SetMenuBar(mbar);
 312
 313     mbar->Check(Widgets_Enable, true);
 314 #endif // wxUSE_MENUS
 315
 316     // create controls
 317     m_panel = new wxPanel(this, wxID_ANY,
 318         wxDefaultPosition, wxDefaultSize, wxCLIP_CHILDREN);
 319
 320     wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
 321
 322     // we have 2 panes: book with pages demonstrating the controls in the
 323     // upper one and the log window with some buttons in the lower
 324
 325     int style = wxNO_FULL_REPAINT_ON_RESIZE|wxCLIP_CHILDREN|wxBC_DEFAULT;
 326     // Uncomment to suppress page theme (draw in solid colour)
 327     //style |= wxNB_NOPAGETHEME;
 328
 329     m_book = new wxBookCtrl(m_panel, wxID_ANY, wxDefaultPosition,
 330         wxDefaultSize, style);
 331     InitBook();
 332
 333 #ifndef __SMARTPHONE__
 334     // the lower one only has the log listbox and a button to clear it
 335 #if USE_LOG
 336     wxSizer *sizerDown = new wxStaticBoxSizer(
 337         new wxStaticBox( m_panel, wxID_ANY, _T("&Log window") ),
 338         wxVERTICAL);
 339
 340     m_lboxLog = new wxListBox(m_panel, wxID_ANY);
 341     sizerDown->Add(m_lboxLog, 1, wxGROW | wxALL, 5);
 342     sizerDown->SetMinSize(100, 150);
 343 #else
 344     wxSizer *sizerDown = new wxBoxSizer(wxVERTICAL);
 345 #endif // USE_LOG
 346
 347     wxBoxSizer *sizerBtns = new wxBoxSizer(wxHORIZONTAL);
 348     wxButton *btn;
 349 #if USE_LOG
 350     btn = new wxButton(m_panel, Widgets_ClearLog, _T("Clear &log"));
 351     sizerBtns->Add(btn);
 352     sizerBtns->Add(10, 0); // spacer
 353 #endif // USE_LOG
 354     btn = new wxButton(m_panel, Widgets_Quit, _T("E&xit"));
 355     sizerBtns->Add(btn);
 356     sizerDown->Add(sizerBtns, 0, wxALL | wxALIGN_RIGHT, 5);
 357
 358     // put everything together
 359     sizerTop->Add(m_book, 1, wxGROW | (wxALL & ~(wxTOP | wxBOTTOM)), 10);
 360     sizerTop->Add(0, 5, 0, wxGROW); // spacer in between
 361     sizerTop->Add(sizerDown, 0,  wxGROW | (wxALL & ~wxTOP), 10);
 362
 363 #else // !__SMARTPHONE__/__SMARTPHONE__
 364
 365     sizerTop->Add(m_book, 1, wxGROW | wxALL );
 366
 367 #endif // __SMARTPHONE__
 368
 369     m_panel->SetSizer(sizerTop);
 370
 371     sizerTop->Fit(this);
 372     sizerTop->SetSizeHints(this);
 373
 374 #if USE_LOG && !defined(__WXCOCOA__)
 375     // wxCocoa's listbox is too flakey to use for logging right now
 376     // now that everything is created we can redirect the log messages to the
 377     // listbox
 378     m_logTarget = new LboxLogger(m_lboxLog, wxLog::GetActiveTarget());
 379     wxLog::SetActiveTarget(m_logTarget);
 380 #endif
 381 }
 382
 383 void WidgetsFrame::InitBook()
 384 {
 385     m_imaglist = new wxImageList(32, 32);
 386
 387     ArrayWidgetsPage pages;
 388     wxArrayString labels;
 389
 390     // we need to first create all pages and only then add them to the book
 391     // as we need the image list first
 392     WidgetsPageInfo *info = WidgetsPage::ms_widgetPages;
 393     while ( info )
 394     {
 395         WidgetsPage *page = (*info->GetCtor())(m_book, m_imaglist);
 396         pages.Add(page);
 397
 398         labels.Add(info->GetLabel());
 399
 400         info = info->GetNext();
 401     }
 402
 403     m_book->SetImageList(m_imaglist);
 404
 405     // now do add them
 406     size_t count = pages.GetCount();
 407     for ( size_t n = 0; n < count; n++ )
 408     {
 409         m_book->AddPage(
 410                         pages[n],
 411                         labels[n],
 412                         false, // don't select
 413                         n // image id
 414                        );
 415
 416 /*
 417         wxColour colour = m_book->MSWGetBgColourForChild(pages[n]);
 418         pages[n]->SetBackgroundColour(colour);
 419 */
 420     }
 421 }
 422
 423 WidgetsFrame::~WidgetsFrame()
 424 {
 425 #if USE_LOG
 426     delete m_logTarget;
 427 #endif // USE_LOG
 428     delete m_imaglist;
 429 }
 430
 431 // ----------------------------------------------------------------------------
 432 // WidgetsFrame event handlers
 433 // ----------------------------------------------------------------------------
 434
 435 void WidgetsFrame::OnExit(wxCommandEvent& WXUNUSED(event))
 436 {
 437     Close();
 438 }
 439
 440 #if USE_LOG
 441 void WidgetsFrame::OnButtonClearLog(wxCommandEvent& WXUNUSED(event))
 442 {
 443     m_lboxLog->Clear();
 444 }
 445 #endif // USE_LOG
 446
 447 #if wxUSE_MENUS
 448
 449 #if wxUSE_TOOLTIPS
 450
 451 void WidgetsFrame::OnSetTooltip(wxCommandEvent& WXUNUSED(event))
 452 {
 453     static wxString s_tip = _T("This is a tooltip");
 454
 455     wxString s = wxGetTextFromUser
 456                  (
 457                     _T("Tooltip text: "),
 458                     _T("Widgets sample"),
 459                     s_tip,
 460                     this
 461                  );
 462
 463     if ( s.empty() )
 464         return;
 465
 466     s_tip = s;
 467
 468     if( wxMessageBox( _T("Test multiline tooltip text?"),
 469                       _T("Widgets sample"),
 470                       wxYES_NO,
 471                       this
 472                     ) == wxYES )
 473     {
 474         s = _T("#1 ") + s_tip + _T("\n") + _T("#2 ") + s_tip;
 475     }
 476
 477     WidgetsPage *page = wxStaticCast(m_book->GetCurrentPage(), WidgetsPage);
 478     page->GetWidget()->SetToolTip(s);
 479
 480     wxControl *ctrl2 = page->GetWidget2();
 481     if ( ctrl2 )
 482         ctrl2->SetToolTip(s);
 483 }
 484
 485 #endif // wxUSE_TOOLTIPS
 486
 487 void WidgetsFrame::OnSetFgCol(wxCommandEvent& WXUNUSED(event))
 488 {
 489 #if wxUSE_COLOURDLG
 490     // allow for debugging the default colour the first time this is called
 491     WidgetsPage *page = wxStaticCast(m_book->GetCurrentPage(), WidgetsPage);
 492     if (!m_colFg.Ok())
 493         m_colFg = page->GetForegroundColour();
 494
 495     wxColour col = wxGetColourFromUser(this, m_colFg);
 496     if ( !col.Ok() )
 497         return;
 498
 499     m_colFg = col;
 500
 501     page->GetWidget()->SetForegroundColour(m_colFg);
 502     page->GetWidget()->Refresh();
 503
 504     wxControl *ctrl2 = page->GetWidget2();
 505     if ( ctrl2 )
 506     {
 507         ctrl2->SetForegroundColour(m_colFg);
 508         ctrl2->Refresh();
 509     }
 510 #else
 511     wxLogMessage(_T("Colour selection dialog not available in current build."));
 512 #endif
 513 }
 514
 515 void WidgetsFrame::OnSetBgCol(wxCommandEvent& WXUNUSED(event))
 516 {
 517 #if wxUSE_COLOURDLG
 518     WidgetsPage *page = wxStaticCast(m_book->GetCurrentPage(), WidgetsPage);
 519     if ( !m_colBg.Ok() )
 520         m_colBg = page->GetBackgroundColour();
 521
 522     wxColour col = wxGetColourFromUser(this, m_colBg);
 523     if ( !col.Ok() )
 524         return;
 525
 526     m_colBg = col;
 527
 528     page->GetWidget()->SetBackgroundColour(m_colBg);
 529     page->GetWidget()->Refresh();
 530
 531     wxControl *ctrl2 = page->GetWidget2();
 532     if ( ctrl2 )
 533     {
 534         ctrl2->SetBackgroundColour(m_colFg);
 535         ctrl2->Refresh();
 536     }
 537 #else
 538     wxLogMessage(_T("Colour selection dialog not available in current build."));
 539 #endif
 540 }
 541
 542 void WidgetsFrame::OnSetFont(wxCommandEvent& WXUNUSED(event))
 543 {
 544 #if wxUSE_FONTDLG
 545     WidgetsPage *page = wxStaticCast(m_book->GetCurrentPage(), WidgetsPage);
 546     if (!m_font.Ok())
 547         m_font = page->GetFont();
 548
 549     wxFont font = wxGetFontFromUser(this, m_font);
 550     if ( !font.Ok() )
 551         return;
 552
 553     m_font = font;
 554
 555     page->GetWidget()->SetFont(m_font);
 556     page->GetWidget()->Refresh();
 557
 558     wxControl *ctrl2 = page->GetWidget2();
 559     if ( ctrl2 )
 560     {
 561         ctrl2->SetFont(m_font);
 562         ctrl2->Refresh();
 563     }
 564 #else
 565     wxLogMessage(_T("Font selection dialog not available in current build."));
 566 #endif
 567 }
 568
 569 void WidgetsFrame::OnEnable(wxCommandEvent& event)
 570 {
 571     WidgetsPage *page = wxStaticCast(m_book->GetCurrentPage(), WidgetsPage);
 572     page->GetWidget()->Enable(event.IsChecked());
 573 }
 574
 575 #endif // wxUSE_MENUS
 576
 577 // ----------------------------------------------------------------------------
 578 // WidgetsPageInfo
 579 // ----------------------------------------------------------------------------
 580
 581 WidgetsPageInfo *WidgetsPage::ms_widgetPages = NULL;
 582
 583 WidgetsPageInfo::WidgetsPageInfo(Constructor ctor, const wxChar *label)
 584                : m_label(label)
 585 {
 586     m_ctor = ctor;
 587
 588     m_next = NULL;
 589
 590     // dummy sorting: add and immediately sort on list according to label
 591
 592     if(WidgetsPage::ms_widgetPages)
 593     {
 594         WidgetsPageInfo *node_prev = WidgetsPage::ms_widgetPages;
 595         if(wxStrcmp(label,node_prev->GetLabel().c_str())<0)
 596         {
 597             // add as first
 598             m_next = node_prev;
 599             WidgetsPage::ms_widgetPages = this;
 600         }
 601         else
 602         {
 603             WidgetsPageInfo *node_next;
 604             do
 605             {
 606                 node_next = node_prev->GetNext();
 607                 if(node_next)
 608                 {
 609                     // add if between two
 610                     if(wxStrcmp(label,node_next->GetLabel().c_str())<0)
 611                     {
 612                         node_prev->SetNext(this);
 613                         m_next = node_next;
 614                         // force to break loop
 615                         node_next = NULL;
 616                     }
 617                 }
 618                 else
 619                 {
 620                     // add as last
 621                     node_prev->SetNext(this);
 622                     m_next = node_next;
 623                 }
 624                 node_prev = node_next;
 625             }while(node_next);
 626         }
 627     }
 628     else
 629     {
 630         // add when first
 631
 632         WidgetsPage::ms_widgetPages = this;
 633
 634     }
 635
 636 }
 637
 638 // ----------------------------------------------------------------------------
 639 // WidgetsPage
 640 // ----------------------------------------------------------------------------
 641
 642 WidgetsPage::WidgetsPage(wxBookCtrl *book)
 643            : wxPanel(book, wxID_ANY,
 644                      wxDefaultPosition, wxDefaultSize,
 645                      wxNO_FULL_REPAINT_ON_RESIZE |
 646                      wxCLIP_CHILDREN |
 647                      wxTAB_TRAVERSAL)
 648 {
 649 }
 650
 651 wxSizer *WidgetsPage::CreateSizerWithText(wxControl *control,
 652                                           wxWindowID id,
 653                                           wxTextCtrl **ppText)
 654 {
 655     wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
 656     wxTextCtrl *text = new wxTextCtrl(this, id, wxEmptyString,
 657         wxDefaultPosition, wxDefaultSize, wxTE_PROCESS_ENTER);
 658
 659     sizerRow->Add(control, 0, wxRIGHT | wxALIGN_CENTRE_VERTICAL, 5);
 660     sizerRow->Add(text, 1, wxLEFT | wxALIGN_CENTRE_VERTICAL, 5);
 661
 662     if ( ppText )
 663         *ppText = text;
 664
 665     return sizerRow;
 666 }
 667
 668 // create a sizer containing a label and a text ctrl
 669 wxSizer *WidgetsPage::CreateSizerWithTextAndLabel(const wxString& label,
 670                                                   wxWindowID id,
 671                                                   wxTextCtrl **ppText)
 672 {
 673     return CreateSizerWithText(new wxStaticText(this, wxID_ANY, label),
 674         id, ppText);
 675 }
 676
 677 // create a sizer containing a button and a text ctrl
 678 wxSizer *WidgetsPage::CreateSizerWithTextAndButton(wxWindowID idBtn,
 679                                                    const wxString& label,
 680                                                    wxWindowID id,
 681                                                    wxTextCtrl **ppText)
 682 {
 683     return CreateSizerWithText(new wxButton(this, idBtn, label), id, ppText);
 684 }
 685
 686 wxCheckBox *WidgetsPage::CreateCheckBoxAndAddToSizer(wxSizer *sizer,
 687                                                      const wxString& label,
 688                                                      wxWindowID id)
 689 {
 690     wxCheckBox *checkbox = new wxCheckBox(this, id, label);
 691     sizer->Add(checkbox, 0, wxLEFT | wxRIGHT, 5);
 692     sizer->Add(0, 2, 0, wxGROW); // spacer
 693
 694     return checkbox;
 695 }
 696