samples/widgets/widgets.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Program:     wxWidgets Widgets Sample
   3 // Name:        samples/widgets/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     wxBookCtrlBase *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 = (wxBookCtrlBase *)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|wxBK_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 #ifdef __WXMOTIF__
 331         wxSize(500, wxDefaultCoord), // under Motif, height is a function of the width...
 332 #else
 333         wxDefaultSize,
 334 #endif
 335         style);
 336     InitBook();
 337
 338 #ifndef __SMARTPHONE__
 339     // the lower one only has the log listbox and a button to clear it
 340 #if USE_LOG
 341     wxSizer *sizerDown = new wxStaticBoxSizer(
 342         new wxStaticBox( m_panel, wxID_ANY, _T("&Log window") ),
 343         wxVERTICAL);
 344
 345     m_lboxLog = new wxListBox(m_panel, wxID_ANY);
 346     sizerDown->Add(m_lboxLog, 1, wxGROW | wxALL, 5);
 347     sizerDown->SetMinSize(100, 150);
 348 #else
 349     wxSizer *sizerDown = new wxBoxSizer(wxVERTICAL);
 350 #endif // USE_LOG
 351
 352     wxBoxSizer *sizerBtns = new wxBoxSizer(wxHORIZONTAL);
 353     wxButton *btn;
 354 #if USE_LOG
 355     btn = new wxButton(m_panel, Widgets_ClearLog, _T("Clear &log"));
 356     sizerBtns->Add(btn);
 357     sizerBtns->Add(10, 0); // spacer
 358 #endif // USE_LOG
 359     btn = new wxButton(m_panel, Widgets_Quit, _T("E&xit"));
 360     sizerBtns->Add(btn);
 361     sizerDown->Add(sizerBtns, 0, wxALL | wxALIGN_RIGHT, 5);
 362
 363     // put everything together
 364     sizerTop->Add(m_book, 1, wxGROW | (wxALL & ~(wxTOP | wxBOTTOM)), 10);
 365     sizerTop->Add(0, 5, 0, wxGROW); // spacer in between
 366     sizerTop->Add(sizerDown, 0,  wxGROW | (wxALL & ~wxTOP), 10);
 367
 368 #else // !__SMARTPHONE__/__SMARTPHONE__
 369
 370     sizerTop->Add(m_book, 1, wxGROW | wxALL );
 371
 372 #endif // __SMARTPHONE__
 373
 374     m_panel->SetSizer(sizerTop);
 375
 376     sizerTop->Fit(this);
 377     sizerTop->SetSizeHints(this);
 378
 379 #if USE_LOG && !defined(__WXCOCOA__)
 380     // wxCocoa's listbox is too flakey to use for logging right now
 381     // now that everything is created we can redirect the log messages to the
 382     // listbox
 383     m_logTarget = new LboxLogger(m_lboxLog, wxLog::GetActiveTarget());
 384     wxLog::SetActiveTarget(m_logTarget);
 385 #endif
 386 }
 387
 388 void WidgetsFrame::InitBook()
 389 {
 390     m_imaglist = new wxImageList(32, 32);
 391
 392     ArrayWidgetsPage pages;
 393     wxArrayString labels;
 394
 395     // we need to first create all pages and only then add them to the book
 396     // as we need the image list first
 397     WidgetsPageInfo *info = WidgetsPage::ms_widgetPages;
 398     while ( info )
 399     {
 400         WidgetsPage *page = (*info->GetCtor())(m_book, m_imaglist);
 401         pages.Add(page);
 402
 403         labels.Add(info->GetLabel());
 404
 405         info = info->GetNext();
 406     }
 407
 408     m_book->SetImageList(m_imaglist);
 409
 410     // now do add them
 411     size_t count = pages.GetCount();
 412     for ( size_t n = 0; n < count; n++ )
 413     {
 414         m_book->AddPage(
 415                         pages[n],
 416                         labels[n],
 417                         false, // don't select
 418                         n // image id
 419                        );
 420
 421 /*
 422         wxColour colour = m_book->MSWGetBgColourForChild(pages[n]);
 423         pages[n]->SetBackgroundColour(colour);
 424 */
 425     }
 426 }
 427
 428 WidgetsFrame::~WidgetsFrame()
 429 {
 430 #if USE_LOG
 431     delete m_logTarget;
 432 #endif // USE_LOG
 433     delete m_imaglist;
 434 }
 435
 436 // ----------------------------------------------------------------------------
 437 // WidgetsFrame event handlers
 438 // ----------------------------------------------------------------------------
 439
 440 void WidgetsFrame::OnExit(wxCommandEvent& WXUNUSED(event))
 441 {
 442     Close();
 443 }
 444
 445 #if USE_LOG
 446 void WidgetsFrame::OnButtonClearLog(wxCommandEvent& WXUNUSED(event))
 447 {
 448     m_lboxLog->Clear();
 449 }
 450 #endif // USE_LOG
 451
 452 #if wxUSE_MENUS
 453
 454 #if wxUSE_TOOLTIPS
 455
 456 void WidgetsFrame::OnSetTooltip(wxCommandEvent& WXUNUSED(event))
 457 {
 458     static wxString s_tip = _T("This is a tooltip");
 459
 460     wxString s = wxGetTextFromUser
 461                  (
 462                     _T("Tooltip text: "),
 463                     _T("Widgets sample"),
 464                     s_tip,
 465                     this
 466                  );
 467
 468     if ( s.empty() )
 469         return;
 470
 471     s_tip = s;
 472
 473     if( wxMessageBox( _T("Test multiline tooltip text?"),
 474                       _T("Widgets sample"),
 475                       wxYES_NO,
 476                       this
 477                     ) == wxYES )
 478     {
 479         s = _T("#1 ") + s_tip + _T("\n") + _T("#2 ") + s_tip;
 480     }
 481
 482     WidgetsPage *page = wxStaticCast(m_book->GetCurrentPage(), WidgetsPage);
 483     page->GetWidget()->SetToolTip(s);
 484
 485     wxControl *ctrl2 = page->GetWidget2();
 486     if ( ctrl2 )
 487         ctrl2->SetToolTip(s);
 488 }
 489
 490 #endif // wxUSE_TOOLTIPS
 491
 492 void WidgetsFrame::OnSetFgCol(wxCommandEvent& WXUNUSED(event))
 493 {
 494 #if wxUSE_COLOURDLG
 495     // allow for debugging the default colour the first time this is called
 496     WidgetsPage *page = wxStaticCast(m_book->GetCurrentPage(), WidgetsPage);
 497     if (!m_colFg.Ok())
 498         m_colFg = page->GetForegroundColour();
 499
 500     wxColour col = wxGetColourFromUser(this, m_colFg);
 501     if ( !col.Ok() )
 502         return;
 503
 504     m_colFg = col;
 505
 506     page->GetWidget()->SetForegroundColour(m_colFg);
 507     page->GetWidget()->Refresh();
 508
 509     wxControl *ctrl2 = page->GetWidget2();
 510     if ( ctrl2 )
 511     {
 512         ctrl2->SetForegroundColour(m_colFg);
 513         ctrl2->Refresh();
 514     }
 515 #else
 516     wxLogMessage(_T("Colour selection dialog not available in current build."));
 517 #endif
 518 }
 519
 520 void WidgetsFrame::OnSetBgCol(wxCommandEvent& WXUNUSED(event))
 521 {
 522 #if wxUSE_COLOURDLG
 523     WidgetsPage *page = wxStaticCast(m_book->GetCurrentPage(), WidgetsPage);
 524     if ( !m_colBg.Ok() )
 525         m_colBg = page->GetBackgroundColour();
 526
 527     wxColour col = wxGetColourFromUser(this, m_colBg);
 528     if ( !col.Ok() )
 529         return;
 530
 531     m_colBg = col;
 532
 533     page->GetWidget()->SetBackgroundColour(m_colBg);
 534     page->GetWidget()->Refresh();
 535
 536     wxControl *ctrl2 = page->GetWidget2();
 537     if ( ctrl2 )
 538     {
 539         ctrl2->SetBackgroundColour(m_colFg);
 540         ctrl2->Refresh();
 541     }
 542 #else
 543     wxLogMessage(_T("Colour selection dialog not available in current build."));
 544 #endif
 545 }
 546
 547 void WidgetsFrame::OnSetFont(wxCommandEvent& WXUNUSED(event))
 548 {
 549 #if wxUSE_FONTDLG
 550     WidgetsPage *page = wxStaticCast(m_book->GetCurrentPage(), WidgetsPage);
 551     if (!m_font.Ok())
 552         m_font = page->GetFont();
 553
 554     wxFont font = wxGetFontFromUser(this, m_font);
 555     if ( !font.Ok() )
 556         return;
 557
 558     m_font = font;
 559
 560     page->GetWidget()->SetFont(m_font);
 561     page->GetWidget()->Refresh();
 562
 563     wxControl *ctrl2 = page->GetWidget2();
 564     if ( ctrl2 )
 565     {
 566         ctrl2->SetFont(m_font);
 567         ctrl2->Refresh();
 568     }
 569 #else
 570     wxLogMessage(_T("Font selection dialog not available in current build."));
 571 #endif
 572 }
 573
 574 void WidgetsFrame::OnEnable(wxCommandEvent& event)
 575 {
 576     WidgetsPage *page = wxStaticCast(m_book->GetCurrentPage(), WidgetsPage);
 577     page->GetWidget()->Enable(event.IsChecked());
 578 }
 579
 580 #endif // wxUSE_MENUS
 581
 582 // ----------------------------------------------------------------------------
 583 // WidgetsPageInfo
 584 // ----------------------------------------------------------------------------
 585
 586 WidgetsPageInfo *WidgetsPage::ms_widgetPages = NULL;
 587
 588 WidgetsPageInfo::WidgetsPageInfo(Constructor ctor, const wxChar *label)
 589                : m_label(label)
 590 {
 591     m_ctor = ctor;
 592
 593     m_next = NULL;
 594
 595     // dummy sorting: add and immediately sort on list according to label
 596
 597     if(WidgetsPage::ms_widgetPages)
 598     {
 599         WidgetsPageInfo *node_prev = WidgetsPage::ms_widgetPages;
 600         if(wxStrcmp(label,node_prev->GetLabel().c_str())<0)
 601         {
 602             // add as first
 603             m_next = node_prev;
 604             WidgetsPage::ms_widgetPages = this;
 605         }
 606         else
 607         {
 608             WidgetsPageInfo *node_next;
 609             do
 610             {
 611                 node_next = node_prev->GetNext();
 612                 if(node_next)
 613                 {
 614                     // add if between two
 615                     if(wxStrcmp(label,node_next->GetLabel().c_str())<0)
 616                     {
 617                         node_prev->SetNext(this);
 618                         m_next = node_next;
 619                         // force to break loop
 620                         node_next = NULL;
 621                     }
 622                 }
 623                 else
 624                 {
 625                     // add as last
 626                     node_prev->SetNext(this);
 627                     m_next = node_next;
 628                 }
 629                 node_prev = node_next;
 630             }while(node_next);
 631         }
 632     }
 633     else
 634     {
 635         // add when first
 636
 637         WidgetsPage::ms_widgetPages = this;
 638
 639     }
 640
 641 }
 642
 643 // ----------------------------------------------------------------------------
 644 // WidgetsPage
 645 // ----------------------------------------------------------------------------
 646
 647 WidgetsPage::WidgetsPage(wxBookCtrlBase *book)
 648            : wxPanel(book, wxID_ANY,
 649                      wxDefaultPosition, wxDefaultSize,
 650                      wxNO_FULL_REPAINT_ON_RESIZE |
 651                      wxCLIP_CHILDREN |
 652                      wxTAB_TRAVERSAL)
 653 {
 654 }
 655
 656 wxSizer *WidgetsPage::CreateSizerWithText(wxControl *control,
 657                                           wxWindowID id,
 658                                           wxTextCtrl **ppText)
 659 {
 660     wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
 661     wxTextCtrl *text = new wxTextCtrl(this, id, wxEmptyString,
 662         wxDefaultPosition, wxDefaultSize, wxTE_PROCESS_ENTER);
 663
 664     sizerRow->Add(control, 0, wxRIGHT | wxALIGN_CENTRE_VERTICAL, 5);
 665     sizerRow->Add(text, 1, wxLEFT | wxALIGN_CENTRE_VERTICAL, 5);
 666
 667     if ( ppText )
 668         *ppText = text;
 669
 670     return sizerRow;
 671 }
 672
 673 // create a sizer containing a label and a text ctrl
 674 wxSizer *WidgetsPage::CreateSizerWithTextAndLabel(const wxString& label,
 675                                                   wxWindowID id,
 676                                                   wxTextCtrl **ppText)
 677 {
 678     return CreateSizerWithText(new wxStaticText(this, wxID_ANY, label),
 679         id, ppText);
 680 }
 681
 682 // create a sizer containing a button and a text ctrl
 683 wxSizer *WidgetsPage::CreateSizerWithTextAndButton(wxWindowID idBtn,
 684                                                    const wxString& label,
 685                                                    wxWindowID id,
 686                                                    wxTextCtrl **ppText)
 687 {
 688     return CreateSizerWithText(new wxButton(this, idBtn, label), id, ppText);
 689 }
 690
 691 wxCheckBox *WidgetsPage::CreateCheckBoxAndAddToSizer(wxSizer *sizer,
 692                                                      const wxString& label,
 693                                                      wxWindowID id)
 694 {
 695     wxCheckBox *checkbox = new wxCheckBox(this, id, label);
 696     sizer->Add(checkbox, 0, wxLEFT | wxRIGHT, 5);
 697     sizer->Add(0, 2, 0, wxGROW); // spacer
 698
 699     return checkbox;
 700 }