samples/widgets/combobox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Program:     wxWidgets Widgets Sample
   3 // Name:        combobox.cpp
   4 // Purpose:     Part of the widgets sample showing wxComboBox
   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 #if wxUSE_COMBOBOX
  28
  29 // for all others, include the necessary headers
  30 #ifndef WX_PRECOMP
  31     #include "wx/log.h"
  32
  33     #include "wx/bitmap.h"
  34     #include "wx/button.h"
  35     #include "wx/checkbox.h"
  36     #include "wx/combobox.h"
  37     #include "wx/radiobox.h"
  38     #include "wx/statbox.h"
  39     #include "wx/textctrl.h"
  40 #endif
  41
  42 #include "wx/sizer.h"
  43
  44 #include "widgets.h"
  45 #if 1
  46 #include "icons/combobox.xpm"
  47
  48 // ----------------------------------------------------------------------------
  49 // constants
  50 // ----------------------------------------------------------------------------
  51
  52 // control ids
  53 enum
  54 {
  55     ComboPage_Reset = wxID_HIGHEST,
  56     ComboPage_SetCurrent,
  57     ComboPage_CurText,
  58     ComboPage_InsertionPointText,
  59     ComboPage_Insert,
  60     ComboPage_InsertText,
  61     ComboPage_Add,
  62     ComboPage_AddText,
  63     ComboPage_AddSeveral,
  64     ComboPage_AddMany,
  65     ComboPage_Clear,
  66     ComboPage_Change,
  67     ComboPage_ChangeText,
  68     ComboPage_Delete,
  69     ComboPage_DeleteText,
  70     ComboPage_DeleteSel,
  71     ComboPage_SetValue,
  72     ComboPage_SetValueText,
  73     ComboPage_Combo
  74 };
  75
  76 // kinds of comboboxes
  77 enum
  78 {
  79     ComboKind_Default,
  80     ComboKind_Simple,
  81     ComboKind_DropDown
  82 };
  83
  84 // ----------------------------------------------------------------------------
  85 // ComboboxWidgetsPage
  86 // ----------------------------------------------------------------------------
  87
  88 class ComboboxWidgetsPage : public WidgetsPage
  89 {
  90 public:
  91     ComboboxWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
  92
  93     virtual wxControl *GetWidget() const { return m_combobox; }
  94     virtual void RecreateWidget() { CreateCombo(); }
  95
  96     // lazy creation of the content
  97     virtual void CreateContent();
  98
  99 protected:
 100     // event handlers
 101     void OnButtonReset(wxCommandEvent& event);
 102     void OnButtonChange(wxCommandEvent& event);
 103     void OnButtonDelete(wxCommandEvent& event);
 104     void OnButtonDeleteSel(wxCommandEvent& event);
 105     void OnButtonClear(wxCommandEvent& event);
 106     void OnButtonInsert(wxCommandEvent &event);
 107     void OnButtonAdd(wxCommandEvent& event);
 108     void OnButtonAddSeveral(wxCommandEvent& event);
 109     void OnButtonAddMany(wxCommandEvent& event);
 110     void OnButtonSetValue(wxCommandEvent& event);
 111     void OnButtonSetCurrent(wxCommandEvent& event);
 112
 113     void OnComboBox(wxCommandEvent& event);
 114     void OnComboText(wxCommandEvent& event);
 115
 116     void OnCheckOrRadioBox(wxCommandEvent& event);
 117
 118     void OnUpdateUIInsertionPointText(wxUpdateUIEvent& event);
 119
 120     void OnUpdateUIInsert(wxUpdateUIEvent& event);
 121     void OnUpdateUIAddSeveral(wxUpdateUIEvent& event);
 122     void OnUpdateUIClearButton(wxUpdateUIEvent& event);
 123     void OnUpdateUIDeleteButton(wxUpdateUIEvent& event);
 124     void OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event);
 125     void OnUpdateUIResetButton(wxUpdateUIEvent& event);
 126     void OnUpdateUISetCurrent(wxUpdateUIEvent& event);
 127
 128     // reset the combobox parameters
 129     void Reset();
 130
 131     // (re)create the combobox
 132     void CreateCombo();
 133
 134     // the controls
 135     // ------------
 136
 137     // the sel mode radiobox
 138     wxRadioBox *m_radioKind;
 139
 140     // the checkboxes for styles
 141     wxCheckBox *m_chkSort,
 142                *m_chkReadonly,
 143                *m_chkFilename;
 144
 145     // the combobox itself and the sizer it is in
 146     wxComboBox *m_combobox;
 147     wxSizer *m_sizerCombo;
 148
 149     // the text entries for "Add/change string" and "Delete" buttons
 150     wxTextCtrl *m_textInsert,
 151                *m_textAdd,
 152                *m_textChange,
 153                *m_textSetValue,
 154                *m_textDelete,
 155                *m_textCur;
 156
 157 private:
 158     DECLARE_EVENT_TABLE()
 159     DECLARE_WIDGETS_PAGE(ComboboxWidgetsPage)
 160 };
 161
 162 // ----------------------------------------------------------------------------
 163 // event tables
 164 // ----------------------------------------------------------------------------
 165
 166 BEGIN_EVENT_TABLE(ComboboxWidgetsPage, WidgetsPage)
 167     EVT_BUTTON(ComboPage_Reset, ComboboxWidgetsPage::OnButtonReset)
 168     EVT_BUTTON(ComboPage_Change, ComboboxWidgetsPage::OnButtonChange)
 169     EVT_BUTTON(ComboPage_Delete, ComboboxWidgetsPage::OnButtonDelete)
 170     EVT_BUTTON(ComboPage_DeleteSel, ComboboxWidgetsPage::OnButtonDeleteSel)
 171     EVT_BUTTON(ComboPage_Clear, ComboboxWidgetsPage::OnButtonClear)
 172     EVT_BUTTON(ComboPage_Insert, ComboboxWidgetsPage::OnButtonInsert)
 173     EVT_BUTTON(ComboPage_Add, ComboboxWidgetsPage::OnButtonAdd)
 174     EVT_BUTTON(ComboPage_AddSeveral, ComboboxWidgetsPage::OnButtonAddSeveral)
 175     EVT_BUTTON(ComboPage_AddMany, ComboboxWidgetsPage::OnButtonAddMany)
 176     EVT_BUTTON(ComboPage_SetValue, ComboboxWidgetsPage::OnButtonSetValue)
 177     EVT_BUTTON(ComboPage_SetCurrent, ComboboxWidgetsPage::OnButtonSetCurrent)
 178
 179     EVT_TEXT_ENTER(ComboPage_InsertText, ComboboxWidgetsPage::OnButtonInsert)
 180     EVT_TEXT_ENTER(ComboPage_AddText, ComboboxWidgetsPage::OnButtonAdd)
 181     EVT_TEXT_ENTER(ComboPage_DeleteText, ComboboxWidgetsPage::OnButtonDelete)
 182
 183     EVT_UPDATE_UI(ComboPage_InsertionPointText, ComboboxWidgetsPage::OnUpdateUIInsertionPointText)
 184
 185     EVT_UPDATE_UI(ComboPage_Reset, ComboboxWidgetsPage::OnUpdateUIResetButton)
 186     EVT_UPDATE_UI(ComboPage_Insert, ComboboxWidgetsPage::OnUpdateUIInsert)
 187     EVT_UPDATE_UI(ComboPage_AddSeveral, ComboboxWidgetsPage::OnUpdateUIAddSeveral)
 188     EVT_UPDATE_UI(ComboPage_Clear, ComboboxWidgetsPage::OnUpdateUIClearButton)
 189     EVT_UPDATE_UI(ComboPage_DeleteText, ComboboxWidgetsPage::OnUpdateUIClearButton)
 190     EVT_UPDATE_UI(ComboPage_Delete, ComboboxWidgetsPage::OnUpdateUIDeleteButton)
 191     EVT_UPDATE_UI(ComboPage_Change, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
 192     EVT_UPDATE_UI(ComboPage_ChangeText, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
 193     EVT_UPDATE_UI(ComboPage_DeleteSel, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
 194     EVT_UPDATE_UI(ComboPage_SetCurrent, ComboboxWidgetsPage::OnUpdateUISetCurrent)
 195
 196     EVT_COMBOBOX(ComboPage_Combo, ComboboxWidgetsPage::OnComboBox)
 197     EVT_TEXT(ComboPage_Combo, ComboboxWidgetsPage::OnComboText)
 198     EVT_TEXT_ENTER(ComboPage_Combo, ComboboxWidgetsPage::OnComboText)
 199
 200     EVT_CHECKBOX(wxID_ANY, ComboboxWidgetsPage::OnCheckOrRadioBox)
 201     EVT_RADIOBOX(wxID_ANY, ComboboxWidgetsPage::OnCheckOrRadioBox)
 202 END_EVENT_TABLE()
 203
 204 // ============================================================================
 205 // implementation
 206 // ============================================================================
 207
 208 #if defined(__WXUNIVERSAL__)
 209     #define FAMILY_CTRLS UNIVERSAL_CTRLS
 210 #else
 211     #define FAMILY_CTRLS NATIVE_CTRLS
 212 #endif
 213
 214 IMPLEMENT_WIDGETS_PAGE(ComboboxWidgetsPage, _T("Combobox"),
 215                        FAMILY_CTRLS | WITH_ITEMS_CTRLS | COMBO_CTRLS
 216                        );
 217
 218 ComboboxWidgetsPage::ComboboxWidgetsPage(WidgetsBookCtrl *book,
 219                                          wxImageList *imaglist)
 220                   : WidgetsPage(book, imaglist, combobox_xpm)
 221 {
 222     // init everything
 223     m_chkSort =
 224     m_chkReadonly =
 225     m_chkFilename = (wxCheckBox *)NULL;
 226
 227     m_combobox = (wxComboBox *)NULL;
 228     m_sizerCombo = (wxSizer *)NULL;
 229 }
 230
 231 void ComboboxWidgetsPage::CreateContent()
 232 {
 233     /*
 234        What we create here is a frame having 3 panes: style pane is the
 235        leftmost one, in the middle the pane with buttons allowing to perform
 236        miscellaneous combobox operations and the pane containing the combobox
 237        itself to the right
 238     */
 239     wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
 240
 241     // left pane
 242     wxStaticBox *box = new wxStaticBox(this, wxID_ANY, _T("&Set style"));
 243
 244     // should be in sync with ComboKind_XXX values
 245     static const wxString kinds[] =
 246     {
 247         _T("default"),
 248         _T("simple"),
 249         _T("drop down"),
 250     };
 251
 252     m_radioKind = new wxRadioBox(this, wxID_ANY, _T("Combobox &kind:"),
 253                                  wxDefaultPosition, wxDefaultSize,
 254                                  WXSIZEOF(kinds), kinds,
 255                                  1, wxRA_SPECIFY_COLS);
 256
 257     wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
 258
 259     m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Sort items"));
 260     m_chkReadonly = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Read only"));
 261     m_chkFilename = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&File name"));
 262     m_chkFilename->Disable(); // not implemented yet
 263
 264     sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
 265     sizerLeft->Add(m_radioKind, 0, wxGROW | wxALL, 5);
 266
 267     wxButton *btn = new wxButton(this, ComboPage_Reset, _T("&Reset"));
 268     sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
 269
 270     // middle pane
 271     wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY,
 272         _T("&Change combobox contents"));
 273     wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
 274
 275     wxSizer *sizerRow;
 276
 277     sizerRow = CreateSizerWithTextAndButton(ComboPage_SetCurrent,
 278                                             _T("Current &selection"),
 279                                             ComboPage_CurText,
 280                                             &m_textCur);
 281
 282     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 283
 284     wxTextCtrl *text;
 285     sizerRow = CreateSizerWithTextAndLabel(_T("Insertion Point"),
 286                                            ComboPage_InsertionPointText,
 287                                            &text);
 288     text->SetEditable(false);
 289
 290     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 291
 292     sizerRow = CreateSizerWithTextAndButton(ComboPage_Insert,
 293                                             _T("&Insert this string"),
 294                                             ComboPage_InsertText,
 295                                             &m_textInsert);
 296     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 297
 298     sizerRow = CreateSizerWithTextAndButton(ComboPage_Add,
 299                                             _T("&Add this string"),
 300                                             ComboPage_AddText,
 301                                             &m_textAdd);
 302     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 303
 304     btn = new wxButton(this, ComboPage_AddSeveral, _T("&Append a few strings"));
 305     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 306
 307     btn = new wxButton(this, ComboPage_AddMany, _T("Append &many strings"));
 308     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 309
 310     sizerRow = CreateSizerWithTextAndButton(ComboPage_Change,
 311                                             _T("C&hange current"),
 312                                             ComboPage_ChangeText,
 313                                             &m_textChange);
 314     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 315
 316     sizerRow = CreateSizerWithTextAndButton(ComboPage_Delete,
 317                                             _T("&Delete this item"),
 318                                             ComboPage_DeleteText,
 319                                             &m_textDelete);
 320     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 321
 322     btn = new wxButton(this, ComboPage_DeleteSel, _T("Delete &selection"));
 323     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 324
 325     btn = new wxButton(this, ComboPage_Clear, _T("&Clear"));
 326     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 327
 328     sizerRow = CreateSizerWithTextAndButton(ComboPage_SetValue,
 329                                             _T("SetValue"),
 330                                             ComboPage_SetValueText,
 331                                             &m_textSetValue);
 332     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 333
 334
 335
 336     // right pane
 337     wxSizer *sizerRight = new wxBoxSizer(wxVERTICAL);
 338     m_combobox = new wxComboBox(this, ComboPage_Combo, wxEmptyString,
 339                                 wxDefaultPosition, wxDefaultSize,
 340                                 0, NULL,
 341                                 0);
 342     sizerRight->Add(m_combobox, 0, wxGROW | wxALL, 5);
 343     sizerRight->SetMinSize(150, 0);
 344     m_sizerCombo = sizerRight; // save it to modify it later
 345
 346     // the 3 panes panes compose the window
 347     sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
 348     sizerTop->Add(sizerMiddle, 1, wxGROW | wxALL, 10);
 349     sizerTop->Add(sizerRight, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
 350
 351     // final initializations
 352     Reset();
 353
 354     SetSizer(sizerTop);
 355 }
 356
 357 // ----------------------------------------------------------------------------
 358 // operations
 359 // ----------------------------------------------------------------------------
 360
 361 void ComboboxWidgetsPage::Reset()
 362 {
 363     m_chkSort->SetValue(false);
 364     m_chkReadonly->SetValue(false);
 365     m_chkFilename->SetValue(false);
 366 }
 367
 368 void ComboboxWidgetsPage::CreateCombo()
 369 {
 370     int flags = ms_defaultFlags;
 371
 372     if ( m_chkSort->GetValue() )
 373         flags |= wxCB_SORT;
 374     if ( m_chkReadonly->GetValue() )
 375         flags |= wxCB_READONLY;
 376
 377     switch ( m_radioKind->GetSelection() )
 378     {
 379         default:
 380             wxFAIL_MSG( _T("unknown combo kind") );
 381             // fall through
 382
 383         case ComboKind_Default:
 384             break;
 385
 386         case ComboKind_Simple:
 387             flags |= wxCB_SIMPLE;
 388             break;
 389
 390         case ComboKind_DropDown:
 391             flags = wxCB_DROPDOWN;
 392             break;
 393     }
 394
 395     wxArrayString items;
 396     if ( m_combobox )
 397     {
 398         unsigned int count = m_combobox->GetCount();
 399         for ( unsigned int n = 0; n < count; n++ )
 400         {
 401             items.Add(m_combobox->GetString(n));
 402         }
 403
 404         m_sizerCombo->Detach( m_combobox );
 405         delete m_combobox;
 406     }
 407
 408     m_combobox = new wxComboBox(this, ComboPage_Combo, wxEmptyString,
 409                                 wxDefaultPosition, wxDefaultSize,
 410                                 0, NULL,
 411                                 flags);
 412
 413 #if 0
 414     if ( m_chkFilename->GetValue() )
 415         ;
 416 #endif // TODO
 417
 418     unsigned int count = items.GetCount();
 419     for ( unsigned int n = 0; n < count; n++ )
 420     {
 421         m_combobox->Append(items[n]);
 422     }
 423
 424     m_sizerCombo->Add(m_combobox, 1, wxGROW | wxALL, 5);
 425     m_sizerCombo->Layout();
 426 }
 427
 428 // ----------------------------------------------------------------------------
 429 // event handlers
 430 // ----------------------------------------------------------------------------
 431
 432 void ComboboxWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
 433 {
 434     Reset();
 435
 436     CreateCombo();
 437 }
 438
 439 void ComboboxWidgetsPage::OnButtonChange(wxCommandEvent& WXUNUSED(event))
 440 {
 441     int sel = m_combobox->GetSelection();
 442     if ( sel != wxNOT_FOUND )
 443     {
 444 #ifndef __WXGTK__
 445         m_combobox->SetString(sel, m_textChange->GetValue());
 446 #else
 447         wxLogMessage(_T("Not implemented in wxGTK"));
 448 #endif
 449     }
 450 }
 451
 452 void ComboboxWidgetsPage::OnButtonDelete(wxCommandEvent& WXUNUSED(event))
 453 {
 454     unsigned long n;
 455     if ( !m_textDelete->GetValue().ToULong(&n) ||
 456             (n >= m_combobox->GetCount()) )
 457     {
 458         return;
 459     }
 460
 461     m_combobox->Delete(n);
 462 }
 463
 464 void ComboboxWidgetsPage::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event))
 465 {
 466     int sel = m_combobox->GetSelection();
 467     if ( sel != wxNOT_FOUND )
 468     {
 469         m_combobox->Delete(sel);
 470     }
 471 }
 472
 473 void ComboboxWidgetsPage::OnButtonSetValue(wxCommandEvent& WXUNUSED(event))
 474 {
 475     wxString value = m_textSetValue->GetValue();
 476     m_combobox->SetValue( value );
 477 }
 478
 479 void ComboboxWidgetsPage::OnButtonClear(wxCommandEvent& WXUNUSED(event))
 480 {
 481     m_combobox->Clear();
 482 }
 483
 484 void ComboboxWidgetsPage::OnButtonInsert(wxCommandEvent& WXUNUSED(event))
 485 {
 486     static unsigned int s_item = 0;
 487
 488     wxString s = m_textInsert->GetValue();
 489     if ( !m_textInsert->IsModified() )
 490     {
 491         // update the default string
 492         m_textInsert->SetValue(wxString::Format(_T("test item %u"), ++s_item));
 493     }
 494
 495     if (m_combobox->GetSelection() >= 0)
 496         m_combobox->Insert(s, m_combobox->GetSelection());
 497 }
 498
 499 void ComboboxWidgetsPage::OnButtonAdd(wxCommandEvent& WXUNUSED(event))
 500 {
 501     static unsigned int s_item = 0;
 502
 503     wxString s = m_textAdd->GetValue();
 504     if ( !m_textAdd->IsModified() )
 505     {
 506         // update the default string
 507         m_textAdd->SetValue(wxString::Format(_T("test item %u"), ++s_item));
 508     }
 509
 510     m_combobox->Append(s);
 511 }
 512
 513 void ComboboxWidgetsPage::OnButtonAddMany(wxCommandEvent& WXUNUSED(event))
 514 {
 515     // "many" means 1000 here
 516     for ( unsigned int n = 0; n < 1000; n++ )
 517     {
 518         m_combobox->Append(wxString::Format(_T("item #%u"), n));
 519     }
 520 }
 521
 522 void ComboboxWidgetsPage::OnButtonSetCurrent(wxCommandEvent& WXUNUSED(event))
 523 {
 524     long n;
 525     if ( !m_textCur->GetValue().ToLong(&n) )
 526         return;
 527
 528     m_combobox->SetSelection(n);
 529 }
 530
 531 void ComboboxWidgetsPage::OnButtonAddSeveral(wxCommandEvent& WXUNUSED(event))
 532 {
 533     m_combobox->Append(_T("First"));
 534     m_combobox->Append(_T("another one"));
 535     m_combobox->Append(_T("and the last (very very very very very very very very very very long) one"));
 536 }
 537
 538 void ComboboxWidgetsPage::OnUpdateUIInsertionPointText(wxUpdateUIEvent& event)
 539 {
 540     if (m_combobox)
 541         event.SetText( wxString::Format(_T("%ld"), m_combobox->GetInsertionPoint()) );
 542 }
 543
 544 void ComboboxWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
 545 {
 546     event.Enable( m_chkSort->GetValue() ||
 547                     m_chkReadonly->GetValue() ||
 548                         m_chkFilename->GetValue() );
 549 }
 550
 551 void ComboboxWidgetsPage::OnUpdateUIInsert(wxUpdateUIEvent& event)
 552 {
 553     if (m_combobox)
 554     {
 555         bool enable = !(m_combobox->GetWindowStyle() & wxCB_SORT) &&
 556                        (m_combobox->GetSelection() >= 0);
 557
 558         event.Enable(enable);
 559     }
 560 }
 561
 562 void ComboboxWidgetsPage::OnUpdateUIDeleteButton(wxUpdateUIEvent& event)
 563 {
 564     if (m_combobox)
 565     {
 566       unsigned long n;
 567       event.Enable(m_textDelete->GetValue().ToULong(&n) &&
 568         (n < (unsigned)m_combobox->GetCount()));
 569     }
 570 }
 571
 572 void ComboboxWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
 573 {
 574     if (m_combobox)
 575         event.Enable(m_combobox->GetSelection() != wxNOT_FOUND);
 576 }
 577
 578 void ComboboxWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
 579 {
 580     if (m_combobox)
 581         event.Enable(m_combobox->GetCount() != 0);
 582 }
 583
 584 void ComboboxWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event)
 585 {
 586     if (m_combobox)
 587         event.Enable(!(m_combobox->GetWindowStyle() & wxCB_SORT));
 588 }
 589
 590 void ComboboxWidgetsPage::OnUpdateUISetCurrent(wxUpdateUIEvent& event)
 591 {
 592     long n;
 593     event.Enable( m_textCur->GetValue().ToLong(&n) &&
 594                     (n == wxNOT_FOUND ||
 595                         (n >= 0 && (unsigned)n < m_combobox->GetCount())) );
 596 }
 597
 598 void ComboboxWidgetsPage::OnComboText(wxCommandEvent& event)
 599 {
 600     if (!m_combobox)
 601         return;
 602
 603     wxString s = event.GetString();
 604
 605     wxASSERT_MSG( s == m_combobox->GetValue(),
 606                   _T("event and combobox values should be the same") );
 607
 608     if (event.GetEventType() == wxEVT_COMMAND_TEXT_ENTER)
 609         wxLogMessage(_T("Combobox enter pressed (now '%s')"), s.c_str());
 610     else
 611         wxLogMessage(_T("Combobox text changed (now '%s')"), s.c_str());
 612 }
 613
 614 void ComboboxWidgetsPage::OnComboBox(wxCommandEvent& event)
 615 {
 616     long sel = event.GetInt();
 617     const wxString selstr = wxString::Format(_T("%ld"), sel);
 618     m_textDelete->SetValue(selstr);
 619     m_textCur->SetValue(selstr);
 620
 621     wxLogMessage(_T("Combobox item %ld selected"), sel);
 622
 623     wxLogMessage(_T("Combobox GetValue(): %s"), m_combobox->GetValue().c_str() );
 624 }
 625
 626 void ComboboxWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
 627 {
 628     CreateCombo();
 629 }
 630
 631 #endif //wxUSE_COMBOBOX
 632
 633 #endif