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 // Copyright:   (c) 2001 Vadim Zeitlin
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 // for compilers that support precompilation, includes "wx/wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #if wxUSE_COMBOBOX
  27
  28 // for all others, include the necessary headers
  29 #ifndef WX_PRECOMP
  30     #include "wx/log.h"
  31
  32     #include "wx/bitmap.h"
  33     #include "wx/button.h"
  34     #include "wx/checkbox.h"
  35     #include "wx/combobox.h"
  36     #include "wx/radiobox.h"
  37     #include "wx/statbox.h"
  38     #include "wx/textctrl.h"
  39 #endif
  40
  41 #include "wx/sizer.h"
  42
  43 #include "itemcontainer.h"
  44 #include "widgets.h"
  45 #include "icons/combobox.xpm"
  46
  47 // ----------------------------------------------------------------------------
  48 // constants
  49 // ----------------------------------------------------------------------------
  50
  51 // control ids
  52 enum
  53 {
  54     ComboPage_Reset = wxID_HIGHEST,
  55     ComboPage_Popup,
  56     ComboPage_Dismiss,
  57     ComboPage_SetCurrent,
  58     ComboPage_CurText,
  59     ComboPage_InsertionPointText,
  60     ComboPage_Insert,
  61     ComboPage_InsertText,
  62     ComboPage_Add,
  63     ComboPage_AddText,
  64     ComboPage_SetFirst,
  65     ComboPage_SetFirstText,
  66     ComboPage_AddSeveral,
  67     ComboPage_AddMany,
  68     ComboPage_Clear,
  69     ComboPage_Change,
  70     ComboPage_ChangeText,
  71     ComboPage_Delete,
  72     ComboPage_DeleteText,
  73     ComboPage_DeleteSel,
  74     ComboPage_SetValue,
  75     ComboPage_SetValueText,
  76     ComboPage_Combo,
  77     ComboPage_ContainerTests
  78 };
  79
  80 // kinds of comboboxes
  81 enum
  82 {
  83     ComboKind_Default,
  84     ComboKind_Simple,
  85     ComboKind_DropDown
  86 };
  87
  88 // ----------------------------------------------------------------------------
  89 // ComboboxWidgetsPage
  90 // ----------------------------------------------------------------------------
  91
  92 class ComboboxWidgetsPage : public ItemContainerWidgetsPage
  93 {
  94 public:
  95     ComboboxWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
  96
  97     virtual wxControl *GetWidget() const { return m_combobox; }
  98     virtual wxTextEntryBase *GetTextEntry() const { return m_combobox; }
  99     virtual wxItemContainer* GetContainer() const { return m_combobox; }
 100     virtual void RecreateWidget() { CreateCombo(); }
 101
 102     // lazy creation of the content
 103     virtual void CreateContent();
 104
 105 protected:
 106     // event handlers
 107     void OnButtonReset(wxCommandEvent& event);
 108     void OnButtonPopup(wxCommandEvent&) { m_combobox->Popup(); }
 109     void OnButtonDismiss(wxCommandEvent&) { m_combobox->Dismiss(); }
 110     void OnButtonChange(wxCommandEvent& event);
 111     void OnButtonDelete(wxCommandEvent& event);
 112     void OnButtonDeleteSel(wxCommandEvent& event);
 113     void OnButtonClear(wxCommandEvent& event);
 114     void OnButtonInsert(wxCommandEvent &event);
 115     void OnButtonAdd(wxCommandEvent& event);
 116     void OnButtonSetFirst(wxCommandEvent& event);
 117     void OnButtonAddSeveral(wxCommandEvent& event);
 118     void OnButtonAddMany(wxCommandEvent& event);
 119     void OnButtonSetValue(wxCommandEvent& event);
 120     void OnButtonSetCurrent(wxCommandEvent& event);
 121
 122     void OnDropdown(wxCommandEvent& event);
 123     void OnCloseup(wxCommandEvent& event);
 124     void OnComboBox(wxCommandEvent& event);
 125     void OnComboText(wxCommandEvent& event);
 126     void OnComboTextPasted(wxClipboardTextEvent& event);
 127
 128     void OnCheckOrRadioBox(wxCommandEvent& event);
 129
 130     void OnUpdateUIInsertionPointText(wxUpdateUIEvent& event);
 131
 132     void OnUpdateUIInsert(wxUpdateUIEvent& event);
 133     void OnUpdateUIAddSeveral(wxUpdateUIEvent& event);
 134     void OnUpdateUIClearButton(wxUpdateUIEvent& event);
 135     void OnUpdateUIDeleteButton(wxUpdateUIEvent& event);
 136     void OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event);
 137     void OnUpdateUIResetButton(wxUpdateUIEvent& event);
 138     void OnUpdateUISetCurrent(wxUpdateUIEvent& event);
 139
 140     // reset the combobox parameters
 141     void Reset();
 142
 143     // (re)create the combobox
 144     void CreateCombo();
 145
 146     // the controls
 147     // ------------
 148
 149     // the sel mode radiobox
 150     wxRadioBox *m_radioKind;
 151
 152     // the checkboxes for styles
 153     wxCheckBox *m_chkSort,
 154                *m_chkReadonly,
 155                *m_chkProcessEnter;
 156
 157     // the combobox itself and the sizer it is in
 158     wxComboBox *m_combobox;
 159     wxSizer *m_sizerCombo;
 160
 161     // the text entries for "Add/change string" and "Delete" buttons
 162     wxTextCtrl *m_textInsert,
 163                *m_textAdd,
 164                *m_textSetFirst,
 165                *m_textChange,
 166                *m_textSetValue,
 167                *m_textDelete,
 168                *m_textCur;
 169
 170 private:
 171     DECLARE_EVENT_TABLE()
 172     DECLARE_WIDGETS_PAGE(ComboboxWidgetsPage)
 173 };
 174
 175 // ----------------------------------------------------------------------------
 176 // event tables
 177 // ----------------------------------------------------------------------------
 178
 179 BEGIN_EVENT_TABLE(ComboboxWidgetsPage, WidgetsPage)
 180     EVT_BUTTON(ComboPage_Reset, ComboboxWidgetsPage::OnButtonReset)
 181     EVT_BUTTON(ComboPage_Popup, ComboboxWidgetsPage::OnButtonPopup)
 182     EVT_BUTTON(ComboPage_Dismiss, ComboboxWidgetsPage::OnButtonDismiss)
 183     EVT_BUTTON(ComboPage_Change, ComboboxWidgetsPage::OnButtonChange)
 184     EVT_BUTTON(ComboPage_Delete, ComboboxWidgetsPage::OnButtonDelete)
 185     EVT_BUTTON(ComboPage_DeleteSel, ComboboxWidgetsPage::OnButtonDeleteSel)
 186     EVT_BUTTON(ComboPage_Clear, ComboboxWidgetsPage::OnButtonClear)
 187     EVT_BUTTON(ComboPage_Insert, ComboboxWidgetsPage::OnButtonInsert)
 188     EVT_BUTTON(ComboPage_Add, ComboboxWidgetsPage::OnButtonAdd)
 189     EVT_BUTTON(ComboPage_SetFirst, ComboboxWidgetsPage::OnButtonSetFirst)
 190     EVT_BUTTON(ComboPage_AddSeveral, ComboboxWidgetsPage::OnButtonAddSeveral)
 191     EVT_BUTTON(ComboPage_AddMany, ComboboxWidgetsPage::OnButtonAddMany)
 192     EVT_BUTTON(ComboPage_SetValue, ComboboxWidgetsPage::OnButtonSetValue)
 193     EVT_BUTTON(ComboPage_SetCurrent, ComboboxWidgetsPage::OnButtonSetCurrent)
 194     EVT_BUTTON(ComboPage_ContainerTests, ItemContainerWidgetsPage::OnButtonTestItemContainer)
 195
 196     EVT_TEXT_ENTER(ComboPage_InsertText, ComboboxWidgetsPage::OnButtonInsert)
 197     EVT_TEXT_ENTER(ComboPage_AddText, ComboboxWidgetsPage::OnButtonAdd)
 198     EVT_TEXT_ENTER(ComboPage_DeleteText, ComboboxWidgetsPage::OnButtonDelete)
 199
 200     EVT_UPDATE_UI(ComboPage_InsertionPointText, ComboboxWidgetsPage::OnUpdateUIInsertionPointText)
 201
 202     EVT_UPDATE_UI(ComboPage_Reset, ComboboxWidgetsPage::OnUpdateUIResetButton)
 203     EVT_UPDATE_UI(ComboPage_Insert, ComboboxWidgetsPage::OnUpdateUIInsert)
 204     EVT_UPDATE_UI(ComboPage_AddSeveral, ComboboxWidgetsPage::OnUpdateUIAddSeveral)
 205     EVT_UPDATE_UI(ComboPage_Clear, ComboboxWidgetsPage::OnUpdateUIClearButton)
 206     EVT_UPDATE_UI(ComboPage_DeleteText, ComboboxWidgetsPage::OnUpdateUIClearButton)
 207     EVT_UPDATE_UI(ComboPage_Delete, ComboboxWidgetsPage::OnUpdateUIDeleteButton)
 208     EVT_UPDATE_UI(ComboPage_Change, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
 209     EVT_UPDATE_UI(ComboPage_ChangeText, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
 210     EVT_UPDATE_UI(ComboPage_DeleteSel, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
 211     EVT_UPDATE_UI(ComboPage_SetCurrent, ComboboxWidgetsPage::OnUpdateUISetCurrent)
 212
 213     EVT_COMBOBOX(ComboPage_Combo, ComboboxWidgetsPage::OnComboBox)
 214     EVT_COMBOBOX_DROPDOWN(ComboPage_Combo, ComboboxWidgetsPage::OnDropdown)
 215     EVT_COMBOBOX_CLOSEUP(ComboPage_Combo, ComboboxWidgetsPage::OnCloseup)
 216     EVT_TEXT(ComboPage_Combo, ComboboxWidgetsPage::OnComboText)
 217     EVT_TEXT_ENTER(ComboPage_Combo, ComboboxWidgetsPage::OnComboText)
 218     EVT_TEXT_PASTE(ComboPage_Combo, ComboboxWidgetsPage::OnComboTextPasted)
 219
 220     EVT_CHECKBOX(wxID_ANY, ComboboxWidgetsPage::OnCheckOrRadioBox)
 221     EVT_RADIOBOX(wxID_ANY, ComboboxWidgetsPage::OnCheckOrRadioBox)
 222 END_EVENT_TABLE()
 223
 224 // ============================================================================
 225 // implementation
 226 // ============================================================================
 227
 228 #if defined(__WXUNIVERSAL__)
 229     #define FAMILY_CTRLS UNIVERSAL_CTRLS
 230 #else
 231     #define FAMILY_CTRLS NATIVE_CTRLS
 232 #endif
 233
 234 IMPLEMENT_WIDGETS_PAGE(ComboboxWidgetsPage, wxT("Combobox"),
 235                        FAMILY_CTRLS | WITH_ITEMS_CTRLS | COMBO_CTRLS
 236                        );
 237
 238 ComboboxWidgetsPage::ComboboxWidgetsPage(WidgetsBookCtrl *book,
 239                                          wxImageList *imaglist)
 240                   : ItemContainerWidgetsPage(book, imaglist, combobox_xpm)
 241 {
 242     // init everything
 243     m_chkSort =
 244     m_chkReadonly =
 245     m_chkProcessEnter = (wxCheckBox *)NULL;
 246
 247     m_combobox = (wxComboBox *)NULL;
 248     m_sizerCombo = (wxSizer *)NULL;
 249 }
 250
 251 void ComboboxWidgetsPage::CreateContent()
 252 {
 253     /*
 254        What we create here is a frame having 3 panes: style pane is the
 255        leftmost one, in the middle the pane with buttons allowing to perform
 256        miscellaneous combobox operations and the pane containing the combobox
 257        itself to the right
 258     */
 259     wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
 260
 261     // upper left pane
 262
 263     // should be in sync with ComboKind_XXX values
 264     static const wxString kinds[] =
 265     {
 266         wxT("default"),
 267         wxT("simple"),
 268         wxT("drop down"),
 269     };
 270
 271     m_radioKind = new wxRadioBox(this, wxID_ANY, wxT("Combobox &kind:"),
 272                                  wxDefaultPosition, wxDefaultSize,
 273                                  WXSIZEOF(kinds), kinds,
 274                                  1, wxRA_SPECIFY_COLS);
 275
 276     wxSizer *sizerLeftTop = new wxStaticBoxSizer(wxVERTICAL, this, "&Set style");
 277
 278     m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeftTop, wxT("&Sort items"));
 279     m_chkReadonly = CreateCheckBoxAndAddToSizer(sizerLeftTop, wxT("&Read only"));
 280     m_chkProcessEnter = CreateCheckBoxAndAddToSizer(sizerLeftTop, wxT("Process &Enter"));
 281
 282     sizerLeftTop->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
 283     sizerLeftTop->Add(m_radioKind, 0, wxGROW | wxALL, 5);
 284
 285     wxButton *btn = new wxButton(this, ComboPage_Reset, wxT("&Reset"));
 286     sizerLeftTop->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
 287
 288     // lower left pane
 289     wxSizer *sizerLeftBottom = new wxStaticBoxSizer(wxVERTICAL, this, "&Popup");
 290     sizerLeftBottom->Add(new wxButton(this, ComboPage_Popup, "&Show"),
 291                          wxSizerFlags().Border().Centre());
 292     sizerLeftBottom->Add(new wxButton(this, ComboPage_Dismiss, "&Hide"),
 293                          wxSizerFlags().Border().Centre());
 294
 295
 296     wxSizer *sizerLeft = new wxBoxSizer(wxVERTICAL);
 297     sizerLeft->Add(sizerLeftTop);
 298     sizerLeft->AddSpacer(10);
 299     sizerLeft->Add(sizerLeftBottom, wxSizerFlags().Expand());
 300
 301     // middle pane
 302     wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY,
 303         wxT("&Change combobox contents"));
 304     wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
 305
 306     wxSizer *sizerRow;
 307
 308     sizerRow = CreateSizerWithTextAndButton(ComboPage_SetCurrent,
 309                                             wxT("Current &selection"),
 310                                             ComboPage_CurText,
 311                                             &m_textCur);
 312
 313     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 314
 315     wxTextCtrl *text;
 316     sizerRow = CreateSizerWithTextAndLabel(wxT("Insertion Point"),
 317                                            ComboPage_InsertionPointText,
 318                                            &text);
 319     text->SetEditable(false);
 320
 321     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 322
 323     sizerRow = CreateSizerWithTextAndButton(ComboPage_Insert,
 324                                             wxT("&Insert this string"),
 325                                             ComboPage_InsertText,
 326                                             &m_textInsert);
 327     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 328
 329     sizerRow = CreateSizerWithTextAndButton(ComboPage_Add,
 330                                             wxT("&Add this string"),
 331                                             ComboPage_AddText,
 332                                             &m_textAdd);
 333     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 334
 335     sizerRow = CreateSizerWithTextAndButton(ComboPage_SetFirst,
 336                                             wxT("Change &1st string"),
 337                                             ComboPage_SetFirstText,
 338                                             &m_textSetFirst);
 339     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 340
 341     btn = new wxButton(this, ComboPage_AddSeveral, wxT("&Append a few strings"));
 342     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 343
 344     btn = new wxButton(this, ComboPage_AddMany, wxT("Append &many strings"));
 345     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 346
 347     sizerRow = CreateSizerWithTextAndButton(ComboPage_Change,
 348                                             wxT("C&hange current"),
 349                                             ComboPage_ChangeText,
 350                                             &m_textChange);
 351     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 352
 353     sizerRow = CreateSizerWithTextAndButton(ComboPage_Delete,
 354                                             wxT("&Delete this item"),
 355                                             ComboPage_DeleteText,
 356                                             &m_textDelete);
 357     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 358
 359     btn = new wxButton(this, ComboPage_DeleteSel, wxT("Delete &selection"));
 360     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 361
 362     btn = new wxButton(this, ComboPage_Clear, wxT("&Clear"));
 363     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 364
 365     sizerRow = CreateSizerWithTextAndButton(ComboPage_SetValue,
 366                                             wxT("SetValue"),
 367                                             ComboPage_SetValueText,
 368                                             &m_textSetValue);
 369     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 370
 371     btn = new wxButton(this, ComboPage_ContainerTests, wxT("Run &tests"));
 372     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 373
 374
 375
 376     // right pane
 377     wxSizer *sizerRight = new wxBoxSizer(wxVERTICAL);
 378     m_combobox = new wxComboBox(this, ComboPage_Combo, wxEmptyString,
 379                                 wxDefaultPosition, wxDefaultSize,
 380                                 0, NULL,
 381                                 0);
 382     sizerRight->Add(m_combobox, 0, wxGROW | wxALL, 5);
 383     sizerRight->SetMinSize(150, 0);
 384     m_sizerCombo = sizerRight; // save it to modify it later
 385
 386     // the 3 panes panes compose the window
 387     sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
 388     sizerTop->Add(sizerMiddle, 1, wxGROW | wxALL, 10);
 389     sizerTop->Add(sizerRight, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
 390
 391     // final initializations
 392     Reset();
 393
 394     SetSizer(sizerTop);
 395 }
 396
 397 // ----------------------------------------------------------------------------
 398 // operations
 399 // ----------------------------------------------------------------------------
 400
 401 void ComboboxWidgetsPage::Reset()
 402 {
 403     m_chkSort->SetValue(false);
 404     m_chkReadonly->SetValue(false);
 405     m_chkProcessEnter->SetValue(false);
 406 }
 407
 408 void ComboboxWidgetsPage::CreateCombo()
 409 {
 410     int flags = ms_defaultFlags;
 411
 412     if ( m_chkSort->GetValue() )
 413         flags |= wxCB_SORT;
 414     if ( m_chkReadonly->GetValue() )
 415         flags |= wxCB_READONLY;
 416     if ( m_chkProcessEnter->GetValue() )
 417         flags |= wxTE_PROCESS_ENTER;
 418
 419
 420     switch ( m_radioKind->GetSelection() )
 421     {
 422         default:
 423             wxFAIL_MSG( wxT("unknown combo kind") );
 424             // fall through
 425
 426         case ComboKind_Default:
 427             break;
 428
 429         case ComboKind_Simple:
 430             flags |= wxCB_SIMPLE;
 431             break;
 432
 433         case ComboKind_DropDown:
 434             flags = wxCB_DROPDOWN;
 435             break;
 436     }
 437
 438     wxArrayString items;
 439     if ( m_combobox )
 440     {
 441         unsigned int count = m_combobox->GetCount();
 442         for ( unsigned int n = 0; n < count; n++ )
 443         {
 444             items.Add(m_combobox->GetString(n));
 445         }
 446
 447         m_sizerCombo->Detach( m_combobox );
 448         delete m_combobox;
 449     }
 450
 451     m_combobox = new wxComboBox(this, ComboPage_Combo, wxEmptyString,
 452                                 wxDefaultPosition, wxDefaultSize,
 453                                 0, NULL,
 454                                 flags);
 455
 456     unsigned int count = items.GetCount();
 457     for ( unsigned int n = 0; n < count; n++ )
 458     {
 459         m_combobox->Append(items[n]);
 460     }
 461
 462     m_sizerCombo->Add(m_combobox, 0, wxGROW | wxALL, 5);
 463     m_sizerCombo->Layout();
 464 }
 465
 466 // ----------------------------------------------------------------------------
 467 // event handlers
 468 // ----------------------------------------------------------------------------
 469
 470 void ComboboxWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
 471 {
 472     Reset();
 473
 474     CreateCombo();
 475 }
 476
 477 void ComboboxWidgetsPage::OnButtonChange(wxCommandEvent& WXUNUSED(event))
 478 {
 479     int sel = m_combobox->GetSelection();
 480     if ( sel != wxNOT_FOUND )
 481     {
 482         m_combobox->SetString(sel, m_textChange->GetValue());
 483     }
 484 }
 485
 486 void ComboboxWidgetsPage::OnButtonDelete(wxCommandEvent& WXUNUSED(event))
 487 {
 488     unsigned long n;
 489     if ( !m_textDelete->GetValue().ToULong(&n) ||
 490             (n >= m_combobox->GetCount()) )
 491     {
 492         return;
 493     }
 494
 495     m_combobox->Delete(n);
 496 }
 497
 498 void ComboboxWidgetsPage::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event))
 499 {
 500     int sel = m_combobox->GetSelection();
 501     if ( sel != wxNOT_FOUND )
 502     {
 503         m_combobox->Delete(sel);
 504     }
 505 }
 506
 507 void ComboboxWidgetsPage::OnButtonSetValue(wxCommandEvent& WXUNUSED(event))
 508 {
 509     wxString value = m_textSetValue->GetValue();
 510     m_combobox->SetValue( value );
 511 }
 512
 513 void ComboboxWidgetsPage::OnButtonClear(wxCommandEvent& WXUNUSED(event))
 514 {
 515     m_combobox->Clear();
 516 }
 517
 518 void ComboboxWidgetsPage::OnButtonInsert(wxCommandEvent& WXUNUSED(event))
 519 {
 520     static unsigned int s_item = 0;
 521
 522     wxString s = m_textInsert->GetValue();
 523     if ( !m_textInsert->IsModified() )
 524     {
 525         // update the default string
 526         m_textInsert->SetValue(wxString::Format(wxT("test item %u"), ++s_item));
 527     }
 528
 529     if (m_combobox->GetSelection() >= 0)
 530         m_combobox->Insert(s, m_combobox->GetSelection());
 531 }
 532
 533 void ComboboxWidgetsPage::OnButtonAdd(wxCommandEvent& WXUNUSED(event))
 534 {
 535     static unsigned int s_item = 0;
 536
 537     wxString s = m_textAdd->GetValue();
 538     if ( !m_textAdd->IsModified() )
 539     {
 540         // update the default string
 541         m_textAdd->SetValue(wxString::Format(wxT("test item %u"), ++s_item));
 542     }
 543
 544     m_combobox->Append(s);
 545 }
 546
 547 void ComboboxWidgetsPage::OnButtonSetFirst(wxCommandEvent& WXUNUSED(event))
 548 {
 549     if ( m_combobox->IsListEmpty() )
 550     {
 551         wxLogWarning("No string to change.");
 552         return;
 553     }
 554
 555     m_combobox->SetString(0, m_textSetFirst->GetValue());
 556 }
 557
 558 void ComboboxWidgetsPage::OnButtonAddMany(wxCommandEvent& WXUNUSED(event))
 559 {
 560     // "many" means 1000 here
 561     for ( unsigned int n = 0; n < 1000; n++ )
 562     {
 563         m_combobox->Append(wxString::Format(wxT("item #%u"), n));
 564     }
 565 }
 566
 567 void ComboboxWidgetsPage::OnButtonSetCurrent(wxCommandEvent& WXUNUSED(event))
 568 {
 569     long n;
 570     if ( !m_textCur->GetValue().ToLong(&n) )
 571         return;
 572
 573     m_combobox->SetSelection(n);
 574 }
 575
 576 void ComboboxWidgetsPage::OnButtonAddSeveral(wxCommandEvent& WXUNUSED(event))
 577 {
 578     m_combobox->Append(wxT("First"));
 579     m_combobox->Append(wxT("another one"));
 580     m_combobox->Append(wxT("and the last (very very very very very very very very very very long) one"));
 581 }
 582
 583 void ComboboxWidgetsPage::OnUpdateUIInsertionPointText(wxUpdateUIEvent& event)
 584 {
 585     if (m_combobox)
 586         event.SetText( wxString::Format(wxT("%ld"), m_combobox->GetInsertionPoint()) );
 587 }
 588
 589 void ComboboxWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
 590 {
 591     event.Enable( m_chkSort->GetValue() ||
 592                     m_chkReadonly->GetValue() ||
 593                         m_chkProcessEnter->GetValue() );
 594 }
 595
 596 void ComboboxWidgetsPage::OnUpdateUIInsert(wxUpdateUIEvent& event)
 597 {
 598     if (m_combobox)
 599     {
 600         bool enable = !(m_combobox->GetWindowStyle() & wxCB_SORT) &&
 601                        (m_combobox->GetSelection() >= 0);
 602
 603         event.Enable(enable);
 604     }
 605 }
 606
 607 void ComboboxWidgetsPage::OnUpdateUIDeleteButton(wxUpdateUIEvent& event)
 608 {
 609     if (m_combobox)
 610     {
 611       unsigned long n;
 612       event.Enable(m_textDelete->GetValue().ToULong(&n) &&
 613         (n < (unsigned)m_combobox->GetCount()));
 614     }
 615 }
 616
 617 void ComboboxWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
 618 {
 619     if (m_combobox)
 620         event.Enable(m_combobox->GetSelection() != wxNOT_FOUND);
 621 }
 622
 623 void ComboboxWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
 624 {
 625     if (m_combobox)
 626         event.Enable(m_combobox->GetCount() != 0);
 627 }
 628
 629 void ComboboxWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event)
 630 {
 631     if (m_combobox)
 632         event.Enable(!(m_combobox->GetWindowStyle() & wxCB_SORT));
 633 }
 634
 635 void ComboboxWidgetsPage::OnUpdateUISetCurrent(wxUpdateUIEvent& event)
 636 {
 637     long n;
 638     event.Enable( m_textCur->GetValue().ToLong(&n) &&
 639                     (n == wxNOT_FOUND ||
 640                         (n >= 0 && (unsigned)n < m_combobox->GetCount())) );
 641 }
 642
 643 void ComboboxWidgetsPage::OnComboText(wxCommandEvent& event)
 644 {
 645     if (!m_combobox)
 646         return;
 647
 648     wxString s = event.GetString();
 649
 650     wxASSERT_MSG( s == m_combobox->GetValue(),
 651                   wxT("event and combobox values should be the same") );
 652
 653     if (event.GetEventType() == wxEVT_TEXT_ENTER)
 654     {
 655         wxLogMessage(wxT("Combobox enter pressed (now '%s')"), s.c_str());
 656     }
 657     else
 658     {
 659         wxLogMessage(wxT("Combobox text changed (now '%s')"), s.c_str());
 660     }
 661 }
 662
 663 void ComboboxWidgetsPage::OnComboTextPasted(wxClipboardTextEvent& event)
 664 {
 665     wxLogMessage("Text pasted from clipboard.");
 666     event.Skip();
 667 }
 668
 669 void ComboboxWidgetsPage::OnComboBox(wxCommandEvent& event)
 670 {
 671     long sel = event.GetInt();
 672     const wxString selstr = wxString::Format(wxT("%ld"), sel);
 673     m_textDelete->SetValue(selstr);
 674     m_textCur->SetValue(selstr);
 675
 676     wxLogMessage(wxT("Combobox item %ld selected"), sel);
 677
 678     wxLogMessage(wxT("Combobox GetValue(): %s"), m_combobox->GetValue().c_str() );
 679
 680     if ( event.GetString() != m_combobox->GetValue() )
 681     {
 682         wxLogMessage("ERROR: Event has different string \"%s\"",
 683                      event.GetString());
 684     }
 685 }
 686
 687 void ComboboxWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
 688 {
 689     CreateCombo();
 690 }
 691
 692 void ComboboxWidgetsPage::OnDropdown(wxCommandEvent& WXUNUSED(event))
 693 {
 694     wxLogMessage(wxT("Combobox dropped down"));
 695 }
 696
 697 void ComboboxWidgetsPage::OnCloseup(wxCommandEvent& WXUNUSED(event))
 698 {
 699     wxLogMessage(wxT("Combobox closed up"));
 700 }
 701
 702 #endif // wxUSE_COMBOBOX