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 // Licence:     wxWindows licence
  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 "itemcontainer.h"
  45 #include "widgets.h"
  46 #include "icons/combobox.xpm"
  47
  48 // ----------------------------------------------------------------------------
  49 // constants
  50 // ----------------------------------------------------------------------------
  51
  52 // control ids
  53 enum
  54 {
  55     ComboPage_Reset = wxID_HIGHEST,
  56     ComboPage_Popup,
  57     ComboPage_Dismiss,
  58     ComboPage_SetCurrent,
  59     ComboPage_CurText,
  60     ComboPage_InsertionPointText,
  61     ComboPage_Insert,
  62     ComboPage_InsertText,
  63     ComboPage_Add,
  64     ComboPage_AddText,
  65     ComboPage_SetFirst,
  66     ComboPage_SetFirstText,
  67     ComboPage_AddSeveral,
  68     ComboPage_AddMany,
  69     ComboPage_Clear,
  70     ComboPage_Change,
  71     ComboPage_ChangeText,
  72     ComboPage_Delete,
  73     ComboPage_DeleteText,
  74     ComboPage_DeleteSel,
  75     ComboPage_SetValue,
  76     ComboPage_SetValueText,
  77     ComboPage_Combo,
  78     ComboPage_ContainerTests
  79 };
  80
  81 // kinds of comboboxes
  82 enum
  83 {
  84     ComboKind_Default,
  85     ComboKind_Simple,
  86     ComboKind_DropDown
  87 };
  88
  89 // ----------------------------------------------------------------------------
  90 // ComboboxWidgetsPage
  91 // ----------------------------------------------------------------------------
  92
  93 class ComboboxWidgetsPage : public ItemContainerWidgetsPage
  94 {
  95 public:
  96     ComboboxWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
  97
  98     virtual wxControl *GetWidget() const { return m_combobox; }
  99     virtual wxTextEntryBase *GetTextEntry() const { return m_combobox; }
 100     virtual wxItemContainer* GetContainer() const { return m_combobox; }
 101     virtual void RecreateWidget() { CreateCombo(); }
 102
 103     // lazy creation of the content
 104     virtual void CreateContent();
 105
 106 protected:
 107     // event handlers
 108     void OnButtonReset(wxCommandEvent& event);
 109     void OnButtonPopup(wxCommandEvent&) { m_combobox->Popup(); }
 110     void OnButtonDismiss(wxCommandEvent&) { m_combobox->Dismiss(); }
 111     void OnButtonChange(wxCommandEvent& event);
 112     void OnButtonDelete(wxCommandEvent& event);
 113     void OnButtonDeleteSel(wxCommandEvent& event);
 114     void OnButtonClear(wxCommandEvent& event);
 115     void OnButtonInsert(wxCommandEvent &event);
 116     void OnButtonAdd(wxCommandEvent& event);
 117     void OnButtonSetFirst(wxCommandEvent& event);
 118     void OnButtonAddSeveral(wxCommandEvent& event);
 119     void OnButtonAddMany(wxCommandEvent& event);
 120     void OnButtonSetValue(wxCommandEvent& event);
 121     void OnButtonSetCurrent(wxCommandEvent& event);
 122
 123     void OnDropdown(wxCommandEvent& event);
 124     void OnCloseup(wxCommandEvent& event);
 125     void OnComboBox(wxCommandEvent& event);
 126     void OnComboText(wxCommandEvent& event);
 127     void OnComboTextPasted(wxClipboardTextEvent& event);
 128
 129     void OnCheckOrRadioBox(wxCommandEvent& event);
 130
 131     void OnUpdateUIInsertionPointText(wxUpdateUIEvent& event);
 132
 133     void OnUpdateUIInsert(wxUpdateUIEvent& event);
 134     void OnUpdateUIAddSeveral(wxUpdateUIEvent& event);
 135     void OnUpdateUIClearButton(wxUpdateUIEvent& event);
 136     void OnUpdateUIDeleteButton(wxUpdateUIEvent& event);
 137     void OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event);
 138     void OnUpdateUIResetButton(wxUpdateUIEvent& event);
 139     void OnUpdateUISetCurrent(wxUpdateUIEvent& event);
 140
 141     // reset the combobox parameters
 142     void Reset();
 143
 144     // (re)create the combobox
 145     void CreateCombo();
 146
 147     // the controls
 148     // ------------
 149
 150     // the sel mode radiobox
 151     wxRadioBox *m_radioKind;
 152
 153     // the checkboxes for styles
 154     wxCheckBox *m_chkSort,
 155                *m_chkReadonly,
 156                *m_chkFilename;
 157
 158     // the combobox itself and the sizer it is in
 159     wxComboBox *m_combobox;
 160     wxSizer *m_sizerCombo;
 161
 162     // the text entries for "Add/change string" and "Delete" buttons
 163     wxTextCtrl *m_textInsert,
 164                *m_textAdd,
 165                *m_textSetFirst,
 166                *m_textChange,
 167                *m_textSetValue,
 168                *m_textDelete,
 169                *m_textCur;
 170
 171 private:
 172     DECLARE_EVENT_TABLE()
 173     DECLARE_WIDGETS_PAGE(ComboboxWidgetsPage)
 174 };
 175
 176 // ----------------------------------------------------------------------------
 177 // event tables
 178 // ----------------------------------------------------------------------------
 179
 180 BEGIN_EVENT_TABLE(ComboboxWidgetsPage, WidgetsPage)
 181     EVT_BUTTON(ComboPage_Reset, ComboboxWidgetsPage::OnButtonReset)
 182     EVT_BUTTON(ComboPage_Popup, ComboboxWidgetsPage::OnButtonPopup)
 183     EVT_BUTTON(ComboPage_Dismiss, ComboboxWidgetsPage::OnButtonDismiss)
 184     EVT_BUTTON(ComboPage_Change, ComboboxWidgetsPage::OnButtonChange)
 185     EVT_BUTTON(ComboPage_Delete, ComboboxWidgetsPage::OnButtonDelete)
 186     EVT_BUTTON(ComboPage_DeleteSel, ComboboxWidgetsPage::OnButtonDeleteSel)
 187     EVT_BUTTON(ComboPage_Clear, ComboboxWidgetsPage::OnButtonClear)
 188     EVT_BUTTON(ComboPage_Insert, ComboboxWidgetsPage::OnButtonInsert)
 189     EVT_BUTTON(ComboPage_Add, ComboboxWidgetsPage::OnButtonAdd)
 190     EVT_BUTTON(ComboPage_SetFirst, ComboboxWidgetsPage::OnButtonSetFirst)
 191     EVT_BUTTON(ComboPage_AddSeveral, ComboboxWidgetsPage::OnButtonAddSeveral)
 192     EVT_BUTTON(ComboPage_AddMany, ComboboxWidgetsPage::OnButtonAddMany)
 193     EVT_BUTTON(ComboPage_SetValue, ComboboxWidgetsPage::OnButtonSetValue)
 194     EVT_BUTTON(ComboPage_SetCurrent, ComboboxWidgetsPage::OnButtonSetCurrent)
 195     EVT_BUTTON(ComboPage_ContainerTests, ItemContainerWidgetsPage::OnButtonTestItemContainer)
 196
 197     EVT_TEXT_ENTER(ComboPage_InsertText, ComboboxWidgetsPage::OnButtonInsert)
 198     EVT_TEXT_ENTER(ComboPage_AddText, ComboboxWidgetsPage::OnButtonAdd)
 199     EVT_TEXT_ENTER(ComboPage_DeleteText, ComboboxWidgetsPage::OnButtonDelete)
 200
 201     EVT_UPDATE_UI(ComboPage_InsertionPointText, ComboboxWidgetsPage::OnUpdateUIInsertionPointText)
 202
 203     EVT_UPDATE_UI(ComboPage_Reset, ComboboxWidgetsPage::OnUpdateUIResetButton)
 204     EVT_UPDATE_UI(ComboPage_Insert, ComboboxWidgetsPage::OnUpdateUIInsert)
 205     EVT_UPDATE_UI(ComboPage_AddSeveral, ComboboxWidgetsPage::OnUpdateUIAddSeveral)
 206     EVT_UPDATE_UI(ComboPage_Clear, ComboboxWidgetsPage::OnUpdateUIClearButton)
 207     EVT_UPDATE_UI(ComboPage_DeleteText, ComboboxWidgetsPage::OnUpdateUIClearButton)
 208     EVT_UPDATE_UI(ComboPage_Delete, ComboboxWidgetsPage::OnUpdateUIDeleteButton)
 209     EVT_UPDATE_UI(ComboPage_Change, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
 210     EVT_UPDATE_UI(ComboPage_ChangeText, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
 211     EVT_UPDATE_UI(ComboPage_DeleteSel, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
 212     EVT_UPDATE_UI(ComboPage_SetCurrent, ComboboxWidgetsPage::OnUpdateUISetCurrent)
 213
 214     EVT_COMBOBOX(ComboPage_Combo, ComboboxWidgetsPage::OnComboBox)
 215     EVT_COMBOBOX_DROPDOWN(ComboPage_Combo, ComboboxWidgetsPage::OnDropdown)
 216     EVT_COMBOBOX_CLOSEUP(ComboPage_Combo, ComboboxWidgetsPage::OnCloseup)
 217     EVT_TEXT(ComboPage_Combo, ComboboxWidgetsPage::OnComboText)
 218     EVT_TEXT_ENTER(ComboPage_Combo, ComboboxWidgetsPage::OnComboText)
 219     EVT_TEXT_PASTE(ComboPage_Combo, ComboboxWidgetsPage::OnComboTextPasted)
 220
 221     EVT_CHECKBOX(wxID_ANY, ComboboxWidgetsPage::OnCheckOrRadioBox)
 222     EVT_RADIOBOX(wxID_ANY, ComboboxWidgetsPage::OnCheckOrRadioBox)
 223 END_EVENT_TABLE()
 224
 225 // ============================================================================
 226 // implementation
 227 // ============================================================================
 228
 229 #if defined(__WXUNIVERSAL__)
 230     #define FAMILY_CTRLS UNIVERSAL_CTRLS
 231 #else
 232     #define FAMILY_CTRLS NATIVE_CTRLS
 233 #endif
 234
 235 IMPLEMENT_WIDGETS_PAGE(ComboboxWidgetsPage, wxT("Combobox"),
 236                        FAMILY_CTRLS | WITH_ITEMS_CTRLS | COMBO_CTRLS
 237                        );
 238
 239 ComboboxWidgetsPage::ComboboxWidgetsPage(WidgetsBookCtrl *book,
 240                                          wxImageList *imaglist)
 241                   : ItemContainerWidgetsPage(book, imaglist, combobox_xpm)
 242 {
 243     // init everything
 244     m_chkSort =
 245     m_chkReadonly =
 246     m_chkFilename = (wxCheckBox *)NULL;
 247
 248     m_combobox = (wxComboBox *)NULL;
 249     m_sizerCombo = (wxSizer *)NULL;
 250 }
 251
 252 void ComboboxWidgetsPage::CreateContent()
 253 {
 254     /*
 255        What we create here is a frame having 3 panes: style pane is the
 256        leftmost one, in the middle the pane with buttons allowing to perform
 257        miscellaneous combobox operations and the pane containing the combobox
 258        itself to the right
 259     */
 260     wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
 261
 262     // upper left pane
 263
 264     // should be in sync with ComboKind_XXX values
 265     static const wxString kinds[] =
 266     {
 267         wxT("default"),
 268         wxT("simple"),
 269         wxT("drop down"),
 270     };
 271
 272     m_radioKind = new wxRadioBox(this, wxID_ANY, wxT("Combobox &kind:"),
 273                                  wxDefaultPosition, wxDefaultSize,
 274                                  WXSIZEOF(kinds), kinds,
 275                                  1, wxRA_SPECIFY_COLS);
 276
 277     wxSizer *sizerLeftTop = new wxStaticBoxSizer(wxVERTICAL, this, "&Set style");
 278
 279     m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeftTop, wxT("&Sort items"));
 280     m_chkReadonly = CreateCheckBoxAndAddToSizer(sizerLeftTop, wxT("&Read only"));
 281     m_chkFilename = CreateCheckBoxAndAddToSizer(sizerLeftTop, wxT("&File name"));
 282     m_chkFilename->Disable(); // not implemented yet
 283
 284     sizerLeftTop->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
 285     sizerLeftTop->Add(m_radioKind, 0, wxGROW | wxALL, 5);
 286
 287     wxButton *btn = new wxButton(this, ComboPage_Reset, wxT("&Reset"));
 288     sizerLeftTop->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
 289
 290     // lower left pane
 291     wxSizer *sizerLeftBottom = new wxStaticBoxSizer(wxVERTICAL, this, "&Popup");
 292     sizerLeftBottom->Add(new wxButton(this, ComboPage_Popup, "&Show"),
 293                          wxSizerFlags().Border().Centre());
 294     sizerLeftBottom->Add(new wxButton(this, ComboPage_Dismiss, "&Hide"),
 295                          wxSizerFlags().Border().Centre());
 296
 297
 298     wxSizer *sizerLeft = new wxBoxSizer(wxVERTICAL);
 299     sizerLeft->Add(sizerLeftTop);
 300     sizerLeft->AddSpacer(10);
 301     sizerLeft->Add(sizerLeftBottom);
 302
 303     // middle pane
 304     wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY,
 305         wxT("&Change combobox contents"));
 306     wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
 307
 308     wxSizer *sizerRow;
 309
 310     sizerRow = CreateSizerWithTextAndButton(ComboPage_SetCurrent,
 311                                             wxT("Current &selection"),
 312                                             ComboPage_CurText,
 313                                             &m_textCur);
 314
 315     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 316
 317     wxTextCtrl *text;
 318     sizerRow = CreateSizerWithTextAndLabel(wxT("Insertion Point"),
 319                                            ComboPage_InsertionPointText,
 320                                            &text);
 321     text->SetEditable(false);
 322
 323     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 324
 325     sizerRow = CreateSizerWithTextAndButton(ComboPage_Insert,
 326                                             wxT("&Insert this string"),
 327                                             ComboPage_InsertText,
 328                                             &m_textInsert);
 329     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 330
 331     sizerRow = CreateSizerWithTextAndButton(ComboPage_Add,
 332                                             wxT("&Add this string"),
 333                                             ComboPage_AddText,
 334                                             &m_textAdd);
 335     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 336
 337     sizerRow = CreateSizerWithTextAndButton(ComboPage_SetFirst,
 338                                             wxT("Change &1st string"),
 339                                             ComboPage_SetFirstText,
 340                                             &m_textSetFirst);
 341     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 342
 343     btn = new wxButton(this, ComboPage_AddSeveral, wxT("&Append a few strings"));
 344     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 345
 346     btn = new wxButton(this, ComboPage_AddMany, wxT("Append &many strings"));
 347     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 348
 349     sizerRow = CreateSizerWithTextAndButton(ComboPage_Change,
 350                                             wxT("C&hange current"),
 351                                             ComboPage_ChangeText,
 352                                             &m_textChange);
 353     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 354
 355     sizerRow = CreateSizerWithTextAndButton(ComboPage_Delete,
 356                                             wxT("&Delete this item"),
 357                                             ComboPage_DeleteText,
 358                                             &m_textDelete);
 359     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 360
 361     btn = new wxButton(this, ComboPage_DeleteSel, wxT("Delete &selection"));
 362     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 363
 364     btn = new wxButton(this, ComboPage_Clear, wxT("&Clear"));
 365     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 366
 367     sizerRow = CreateSizerWithTextAndButton(ComboPage_SetValue,
 368                                             wxT("SetValue"),
 369                                             ComboPage_SetValueText,
 370                                             &m_textSetValue);
 371     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 372
 373     btn = new wxButton(this, ComboPage_ContainerTests, wxT("Run &tests"));
 374     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 375
 376
 377
 378     // right pane
 379     wxSizer *sizerRight = new wxBoxSizer(wxVERTICAL);
 380     m_combobox = new wxComboBox(this, ComboPage_Combo, wxEmptyString,
 381                                 wxDefaultPosition, wxDefaultSize,
 382                                 0, NULL,
 383                                 0);
 384     sizerRight->Add(m_combobox, 0, wxGROW | wxALL, 5);
 385     sizerRight->SetMinSize(150, 0);
 386     m_sizerCombo = sizerRight; // save it to modify it later
 387
 388     // the 3 panes panes compose the window
 389     sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
 390     sizerTop->Add(sizerMiddle, 1, wxGROW | wxALL, 10);
 391     sizerTop->Add(sizerRight, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
 392
 393     // final initializations
 394     Reset();
 395
 396     SetSizer(sizerTop);
 397 }
 398
 399 // ----------------------------------------------------------------------------
 400 // operations
 401 // ----------------------------------------------------------------------------
 402
 403 void ComboboxWidgetsPage::Reset()
 404 {
 405     m_chkSort->SetValue(false);
 406     m_chkReadonly->SetValue(false);
 407     m_chkFilename->SetValue(false);
 408 }
 409
 410 void ComboboxWidgetsPage::CreateCombo()
 411 {
 412     int flags = ms_defaultFlags;
 413
 414     if ( m_chkSort->GetValue() )
 415         flags |= wxCB_SORT;
 416     if ( m_chkReadonly->GetValue() )
 417         flags |= wxCB_READONLY;
 418
 419     switch ( m_radioKind->GetSelection() )
 420     {
 421         default:
 422             wxFAIL_MSG( wxT("unknown combo kind") );
 423             // fall through
 424
 425         case ComboKind_Default:
 426             break;
 427
 428         case ComboKind_Simple:
 429             flags |= wxCB_SIMPLE;
 430             break;
 431
 432         case ComboKind_DropDown:
 433             flags = wxCB_DROPDOWN;
 434             break;
 435     }
 436
 437     wxArrayString items;
 438     if ( m_combobox )
 439     {
 440         unsigned int count = m_combobox->GetCount();
 441         for ( unsigned int n = 0; n < count; n++ )
 442         {
 443             items.Add(m_combobox->GetString(n));
 444         }
 445
 446         m_sizerCombo->Detach( m_combobox );
 447         delete m_combobox;
 448     }
 449
 450     m_combobox = new wxComboBox(this, ComboPage_Combo, wxEmptyString,
 451                                 wxDefaultPosition, wxDefaultSize,
 452                                 0, NULL,
 453                                 flags);
 454
 455 #if 0
 456     if ( m_chkFilename->GetValue() )
 457         ;
 458 #endif // TODO
 459
 460     unsigned int count = items.GetCount();
 461     for ( unsigned int n = 0; n < count; n++ )
 462     {
 463         m_combobox->Append(items[n]);
 464     }
 465
 466     m_sizerCombo->Add(m_combobox, 0, wxGROW | wxALL, 5);
 467     m_sizerCombo->Layout();
 468 }
 469
 470 // ----------------------------------------------------------------------------
 471 // event handlers
 472 // ----------------------------------------------------------------------------
 473
 474 void ComboboxWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
 475 {
 476     Reset();
 477
 478     CreateCombo();
 479 }
 480
 481 void ComboboxWidgetsPage::OnButtonChange(wxCommandEvent& WXUNUSED(event))
 482 {
 483     int sel = m_combobox->GetSelection();
 484     if ( sel != wxNOT_FOUND )
 485     {
 486         m_combobox->SetString(sel, m_textChange->GetValue());
 487     }
 488 }
 489
 490 void ComboboxWidgetsPage::OnButtonDelete(wxCommandEvent& WXUNUSED(event))
 491 {
 492     unsigned long n;
 493     if ( !m_textDelete->GetValue().ToULong(&n) ||
 494             (n >= m_combobox->GetCount()) )
 495     {
 496         return;
 497     }
 498
 499     m_combobox->Delete(n);
 500 }
 501
 502 void ComboboxWidgetsPage::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event))
 503 {
 504     int sel = m_combobox->GetSelection();
 505     if ( sel != wxNOT_FOUND )
 506     {
 507         m_combobox->Delete(sel);
 508     }
 509 }
 510
 511 void ComboboxWidgetsPage::OnButtonSetValue(wxCommandEvent& WXUNUSED(event))
 512 {
 513     wxString value = m_textSetValue->GetValue();
 514     m_combobox->SetValue( value );
 515 }
 516
 517 void ComboboxWidgetsPage::OnButtonClear(wxCommandEvent& WXUNUSED(event))
 518 {
 519     m_combobox->Clear();
 520 }
 521
 522 void ComboboxWidgetsPage::OnButtonInsert(wxCommandEvent& WXUNUSED(event))
 523 {
 524     static unsigned int s_item = 0;
 525
 526     wxString s = m_textInsert->GetValue();
 527     if ( !m_textInsert->IsModified() )
 528     {
 529         // update the default string
 530         m_textInsert->SetValue(wxString::Format(wxT("test item %u"), ++s_item));
 531     }
 532
 533     if (m_combobox->GetSelection() >= 0)
 534         m_combobox->Insert(s, m_combobox->GetSelection());
 535 }
 536
 537 void ComboboxWidgetsPage::OnButtonAdd(wxCommandEvent& WXUNUSED(event))
 538 {
 539     static unsigned int s_item = 0;
 540
 541     wxString s = m_textAdd->GetValue();
 542     if ( !m_textAdd->IsModified() )
 543     {
 544         // update the default string
 545         m_textAdd->SetValue(wxString::Format(wxT("test item %u"), ++s_item));
 546     }
 547
 548     m_combobox->Append(s);
 549 }
 550
 551 void ComboboxWidgetsPage::OnButtonSetFirst(wxCommandEvent& WXUNUSED(event))
 552 {
 553     if ( m_combobox->IsListEmpty() )
 554     {
 555         wxLogWarning("No string to change.");
 556         return;
 557     }
 558
 559     m_combobox->SetString(0, m_textSetFirst->GetValue());
 560 }
 561
 562 void ComboboxWidgetsPage::OnButtonAddMany(wxCommandEvent& WXUNUSED(event))
 563 {
 564     // "many" means 1000 here
 565     for ( unsigned int n = 0; n < 1000; n++ )
 566     {
 567         m_combobox->Append(wxString::Format(wxT("item #%u"), n));
 568     }
 569 }
 570
 571 void ComboboxWidgetsPage::OnButtonSetCurrent(wxCommandEvent& WXUNUSED(event))
 572 {
 573     long n;
 574     if ( !m_textCur->GetValue().ToLong(&n) )
 575         return;
 576
 577     m_combobox->SetSelection(n);
 578 }
 579
 580 void ComboboxWidgetsPage::OnButtonAddSeveral(wxCommandEvent& WXUNUSED(event))
 581 {
 582     m_combobox->Append(wxT("First"));
 583     m_combobox->Append(wxT("another one"));
 584     m_combobox->Append(wxT("and the last (very very very very very very very very very very long) one"));
 585 }
 586
 587 void ComboboxWidgetsPage::OnUpdateUIInsertionPointText(wxUpdateUIEvent& event)
 588 {
 589     if (m_combobox)
 590         event.SetText( wxString::Format(wxT("%ld"), m_combobox->GetInsertionPoint()) );
 591 }
 592
 593 void ComboboxWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
 594 {
 595     event.Enable( m_chkSort->GetValue() ||
 596                     m_chkReadonly->GetValue() ||
 597                         m_chkFilename->GetValue() );
 598 }
 599
 600 void ComboboxWidgetsPage::OnUpdateUIInsert(wxUpdateUIEvent& event)
 601 {
 602     if (m_combobox)
 603     {
 604         bool enable = !(m_combobox->GetWindowStyle() & wxCB_SORT) &&
 605                        (m_combobox->GetSelection() >= 0);
 606
 607         event.Enable(enable);
 608     }
 609 }
 610
 611 void ComboboxWidgetsPage::OnUpdateUIDeleteButton(wxUpdateUIEvent& event)
 612 {
 613     if (m_combobox)
 614     {
 615       unsigned long n;
 616       event.Enable(m_textDelete->GetValue().ToULong(&n) &&
 617         (n < (unsigned)m_combobox->GetCount()));
 618     }
 619 }
 620
 621 void ComboboxWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
 622 {
 623     if (m_combobox)
 624         event.Enable(m_combobox->GetSelection() != wxNOT_FOUND);
 625 }
 626
 627 void ComboboxWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
 628 {
 629     if (m_combobox)
 630         event.Enable(m_combobox->GetCount() != 0);
 631 }
 632
 633 void ComboboxWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event)
 634 {
 635     if (m_combobox)
 636         event.Enable(!(m_combobox->GetWindowStyle() & wxCB_SORT));
 637 }
 638
 639 void ComboboxWidgetsPage::OnUpdateUISetCurrent(wxUpdateUIEvent& event)
 640 {
 641     long n;
 642     event.Enable( m_textCur->GetValue().ToLong(&n) &&
 643                     (n == wxNOT_FOUND ||
 644                         (n >= 0 && (unsigned)n < m_combobox->GetCount())) );
 645 }
 646
 647 void ComboboxWidgetsPage::OnComboText(wxCommandEvent& event)
 648 {
 649     if (!m_combobox)
 650         return;
 651
 652     wxString s = event.GetString();
 653
 654     wxASSERT_MSG( s == m_combobox->GetValue(),
 655                   wxT("event and combobox values should be the same") );
 656
 657     if (event.GetEventType() == wxEVT_TEXT_ENTER)
 658     {
 659         wxLogMessage(wxT("Combobox enter pressed (now '%s')"), s.c_str());
 660     }
 661     else
 662     {
 663         wxLogMessage(wxT("Combobox text changed (now '%s')"), s.c_str());
 664     }
 665 }
 666
 667 void ComboboxWidgetsPage::OnComboTextPasted(wxClipboardTextEvent& event)
 668 {
 669     wxLogMessage("Text pasted from clipboard.");
 670     event.Skip();
 671 }
 672
 673 void ComboboxWidgetsPage::OnComboBox(wxCommandEvent& event)
 674 {
 675     long sel = event.GetInt();
 676     const wxString selstr = wxString::Format(wxT("%ld"), sel);
 677     m_textDelete->SetValue(selstr);
 678     m_textCur->SetValue(selstr);
 679
 680     wxLogMessage(wxT("Combobox item %ld selected"), sel);
 681
 682     wxLogMessage(wxT("Combobox GetValue(): %s"), m_combobox->GetValue().c_str() );
 683
 684     if ( event.GetString() != m_combobox->GetValue() )
 685     {
 686         wxLogMessage("ERROR: Event has different string \"%s\"",
 687                      event.GetString());
 688     }
 689 }
 690
 691 void ComboboxWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
 692 {
 693     CreateCombo();
 694 }
 695
 696 void ComboboxWidgetsPage::OnDropdown(wxCommandEvent& WXUNUSED(event))
 697 {
 698     wxLogMessage(wxT("Combobox dropped down"));
 699 }
 700
 701 void ComboboxWidgetsPage::OnCloseup(wxCommandEvent& WXUNUSED(event))
 702 {
 703     wxLogMessage(wxT("Combobox closed up"));
 704 }
 705
 706 #endif // wxUSE_COMBOBOX