samples/listbox/lboxtest.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        lboxtest.cpp
   3 // Purpose:     wxListBox sample
   4 // Author:      Vadim Zeitlin
   5 // Id:          $Id$
   6 // Copyright:   (c) 2000 Vadim Zeitlin
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 /*
  11    Current bugs:
  12
  13   +1. horz scrollbar doesn't appear in listbox
  14   +2. truncating text ctrl doesn't update display
  15   +3. deleting last listbox item doesn't update display
  16    4. text ctrl background corrupted after resize
  17  */
  18
  19 // ============================================================================
  20 // declarations
  21 // ============================================================================
  22
  23 // ----------------------------------------------------------------------------
  24 // headers
  25 // ----------------------------------------------------------------------------
  26
  27 // for compilers that support precompilation, includes "wx/wx.h".
  28 #include "wx/wxprec.h"
  29
  30 #ifdef __BORLANDC__
  31     #pragma hdrstop
  32 #endif
  33
  34 // for all others, include the necessary headers
  35 #ifndef WX_PRECOMP
  36     #include "wx/wx.h"
  37     #include "wx/app.h"
  38     #include "wx/frame.h"
  39     #include "wx/dcclient.h"
  40
  41     #include "wx/button.h"
  42     #include "wx/checkbox.h"
  43     #include "wx/checklst.h"
  44     #include "wx/listbox.h"
  45     #include "wx/radiobox.h"
  46     #include "wx/radiobut.h"
  47     #include "wx/statbox.h"
  48     #include "wx/stattext.h"
  49     #include "wx/textctrl.h"
  50 #endif
  51
  52 #include "wx/sizer.h"
  53
  54 #ifdef __WXUNIVERSAL__
  55     #include "wx/univ/theme.h"
  56 #endif // __WXUNIVERSAL__
  57
  58 // ----------------------------------------------------------------------------
  59 // constants
  60 // ----------------------------------------------------------------------------
  61
  62 // control ids
  63 enum
  64 {
  65     LboxTest_Reset = 100,
  66     LboxTest_Create,
  67     LboxTest_Add,
  68     LboxTest_AddText,
  69     LboxTest_AddSeveral,
  70     LboxTest_AddMany,
  71     LboxTest_Clear,
  72 #if wxUSE_LOG
  73     LboxTest_ClearLog,
  74 #endif // wxUSE_LOG
  75     LboxTest_Change,
  76     LboxTest_ChangeText,
  77     LboxTest_Delete,
  78     LboxTest_DeleteText,
  79     LboxTest_DeleteSel,
  80     LboxTest_DeselectAll,
  81     LboxTest_Listbox,
  82     LboxTest_Quit
  83 };
  84
  85 // ----------------------------------------------------------------------------
  86 // our classes
  87 // ----------------------------------------------------------------------------
  88
  89 // Define a new application type, each program should derive a class from wxApp
  90 class LboxTestApp : public wxApp
  91 {
  92 public:
  93     // override base class virtuals
  94     // ----------------------------
  95
  96     // this one is called on application startup and is a good place for the app
  97     // initialization (doing it here and not in the ctor allows to have an error
  98     // return: if OnInit() returns false, the application terminates)
  99     virtual bool OnInit();
 100 };
 101
 102 // Define a new frame type: this is going to be our main frame
 103 class LboxTestFrame : public wxFrame
 104 {
 105 public:
 106     // ctor(s) and dtor
 107     LboxTestFrame(const wxString& title);
 108     virtual ~LboxTestFrame();
 109
 110 protected:
 111     // event handlers
 112     void OnButtonReset(wxCommandEvent& event);
 113     void OnButtonCreate(wxCommandEvent& event);
 114     void OnButtonChange(wxCommandEvent& event);
 115     void OnButtonDelete(wxCommandEvent& event);
 116     void OnButtonDeleteSel(wxCommandEvent& event);
 117     void OnButtonDeselectAll(wxCommandEvent& event);
 118     void OnButtonClear(wxCommandEvent& event);
 119
 120 #if wxUSE_LOG
 121     void OnButtonClearLog(wxCommandEvent& event);
 122 #endif // wxUSE_LOG
 123     void OnButtonAdd(wxCommandEvent& event);
 124     void OnButtonAddSeveral(wxCommandEvent& event);
 125     void OnButtonAddMany(wxCommandEvent& event);
 126     void OnButtonQuit(wxCommandEvent& event);
 127
 128     void OnListbox(wxCommandEvent& event);
 129     void OnListboxDClick(wxCommandEvent& event);
 130     void OnListboxRDown(wxMouseEvent& event);
 131
 132     void OnCheckOrRadioBox(wxCommandEvent& event);
 133
 134     void OnUpdateUIAddSeveral(wxUpdateUIEvent& event);
 135     void OnUpdateUICreateButton(wxUpdateUIEvent& event);
 136     void OnUpdateUIClearButton(wxUpdateUIEvent& event);
 137     void OnUpdateUIDeleteButton(wxUpdateUIEvent& event);
 138     void OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event);
 139     void OnUpdateUIDeselectAllButton(wxUpdateUIEvent& event);
 140
 141     // reset the listbox parameters
 142     void Reset();
 143
 144     // (re)create the listbox
 145     void CreateLbox();
 146
 147     // listbox parameters
 148     // ------------------
 149
 150     // the selection mode
 151     enum LboxSelection
 152     {
 153         LboxSel_Single,
 154         LboxSel_Extended,
 155         LboxSel_Multiple
 156     } m_lboxSelMode;
 157
 158     // should it be sorted?
 159     bool m_sorted;
 160
 161     // should it have horz scroll/vert scrollbar permanently shown?
 162     bool m_horzScroll,
 163          m_vertScrollAlways;
 164
 165     // should the recreate button be enabled?
 166     bool m_dirty;
 167
 168     // the controls
 169     // ------------
 170
 171     // the sel mode radiobox
 172     wxRadioBox *m_radioSelMode;
 173
 174     // the checkboxes
 175     wxCheckBox *m_chkSort,
 176                *m_chkHScroll,
 177                *m_chkVScroll;
 178
 179     // the listbox itself and the sizer it is in
 180     wxListBox *m_lbox;
 181     wxSizer *m_sizerLbox;
 182
 183     // panel the controls such as the listbox are in
 184     wxPanel* m_panel;
 185
 186 #if wxUSE_LOG
 187     // the listbox for logging messages
 188     wxListBox *m_lboxLog;
 189 #endif // wxUSE_LOG
 190
 191     // the text entries for "Add/change string" and "Delete" buttons
 192     wxTextCtrl *m_textAdd,
 193                *m_textChange,
 194                *m_textDelete;
 195
 196 private:
 197 #if wxUSE_LOG
 198     // the log target we use to redirect messages to the listbox
 199     wxLog *m_logTarget;
 200 #endif // wxUSE_LOG
 201
 202     // any class wishing to process wxWidgets events must use this macro
 203     DECLARE_EVENT_TABLE()
 204 };
 205
 206 #if wxUSE_LOG
 207 // A log target which just redirects the messages to a listbox
 208 class LboxLogger : public wxLog
 209 {
 210 public:
 211     LboxLogger(wxListBox *lbox, wxLog *logOld)
 212     {
 213         m_lbox = lbox;
 214         //m_lbox->Disable(); -- looks ugly under MSW
 215         m_logOld = logOld;
 216     }
 217
 218     virtual ~LboxLogger()
 219     {
 220         wxLog::SetActiveTarget(m_logOld);
 221     }
 222
 223 private:
 224     // implement sink functions
 225     virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t)
 226     {
 227         // don't put trace messages into listbox or we can get into infinite
 228         // recursion
 229         if ( level == wxLOG_Trace )
 230         {
 231             if ( m_logOld )
 232             {
 233                 // cast is needed to call protected method
 234                 ((LboxLogger *)m_logOld)->DoLog(level, szString, t);
 235             }
 236         }
 237         else
 238         {
 239             wxLog::DoLog(level, szString, t);
 240         }
 241     }
 242
 243     virtual void DoLogString(const wxChar *szString, time_t WXUNUSED(t))
 244     {
 245         wxString msg;
 246         TimeStamp(&msg);
 247         msg += szString;
 248         #ifdef __WXUNIVERSAL__
 249             m_lbox->AppendAndEnsureVisible(msg);
 250         #else // other ports don't have this method yet
 251             m_lbox->Append(msg);
 252
 253             // SetFirstItem() isn't implemented in wxGTK
 254             #ifndef __WXGTK__
 255                 m_lbox->SetFirstItem(m_lbox->GetCount() - 1);
 256             #endif
 257         #endif
 258     }
 259
 260     // the control we use
 261     wxListBox *m_lbox;
 262
 263     // the old log target
 264     wxLog *m_logOld;
 265 };
 266 #endif // wxUSE_LOG
 267
 268 // ----------------------------------------------------------------------------
 269 // misc macros
 270 // ----------------------------------------------------------------------------
 271
 272 IMPLEMENT_APP(LboxTestApp)
 273
 274 // ----------------------------------------------------------------------------
 275 // event tables
 276 // ----------------------------------------------------------------------------
 277
 278 BEGIN_EVENT_TABLE(LboxTestFrame, wxFrame)
 279     EVT_BUTTON(LboxTest_Reset, LboxTestFrame::OnButtonReset)
 280     EVT_BUTTON(LboxTest_Create, LboxTestFrame::OnButtonCreate)
 281     EVT_BUTTON(LboxTest_Change, LboxTestFrame::OnButtonChange)
 282     EVT_BUTTON(LboxTest_Delete, LboxTestFrame::OnButtonDelete)
 283     EVT_BUTTON(LboxTest_DeleteSel, LboxTestFrame::OnButtonDeleteSel)
 284     EVT_BUTTON(LboxTest_DeselectAll, LboxTestFrame::OnButtonDeselectAll)
 285     EVT_BUTTON(LboxTest_Clear, LboxTestFrame::OnButtonClear)
 286 #if wxUSE_LOG
 287     EVT_BUTTON(LboxTest_ClearLog, LboxTestFrame::OnButtonClearLog)
 288 #endif // wxUSE_LOG
 289     EVT_BUTTON(LboxTest_Add, LboxTestFrame::OnButtonAdd)
 290     EVT_BUTTON(LboxTest_AddSeveral, LboxTestFrame::OnButtonAddSeveral)
 291     EVT_BUTTON(LboxTest_AddMany, LboxTestFrame::OnButtonAddMany)
 292     EVT_BUTTON(LboxTest_Quit, LboxTestFrame::OnButtonQuit)
 293
 294     EVT_TEXT_ENTER(LboxTest_AddText, LboxTestFrame::OnButtonAdd)
 295     EVT_TEXT_ENTER(LboxTest_DeleteText, LboxTestFrame::OnButtonDelete)
 296
 297     EVT_UPDATE_UI_RANGE(LboxTest_Reset, LboxTest_Create,
 298                         LboxTestFrame::OnUpdateUICreateButton)
 299
 300     EVT_UPDATE_UI(LboxTest_AddSeveral, LboxTestFrame::OnUpdateUIAddSeveral)
 301     EVT_UPDATE_UI(LboxTest_Clear, LboxTestFrame::OnUpdateUIClearButton)
 302     EVT_UPDATE_UI(LboxTest_DeleteText, LboxTestFrame::OnUpdateUIClearButton)
 303     EVT_UPDATE_UI(LboxTest_Delete, LboxTestFrame::OnUpdateUIDeleteButton)
 304     EVT_UPDATE_UI(LboxTest_Change, LboxTestFrame::OnUpdateUIDeleteSelButton)
 305     EVT_UPDATE_UI(LboxTest_ChangeText, LboxTestFrame::OnUpdateUIDeleteSelButton)
 306     EVT_UPDATE_UI(LboxTest_DeleteSel, LboxTestFrame::OnUpdateUIDeleteSelButton)
 307     EVT_UPDATE_UI(LboxTest_DeselectAll, LboxTestFrame::OnUpdateUIDeselectAllButton)
 308
 309     EVT_LISTBOX(LboxTest_Listbox, LboxTestFrame::OnListbox)
 310     EVT_LISTBOX_DCLICK(wxID_ANY, LboxTestFrame::OnListboxDClick)
 311     EVT_CHECKBOX(wxID_ANY, LboxTestFrame::OnCheckOrRadioBox)
 312     EVT_RADIOBOX(wxID_ANY, LboxTestFrame::OnCheckOrRadioBox)
 313 END_EVENT_TABLE()
 314
 315 // ============================================================================
 316 // implementation
 317 // ============================================================================
 318
 319 // ----------------------------------------------------------------------------
 320 // app class
 321 // ----------------------------------------------------------------------------
 322
 323 bool LboxTestApp::OnInit()
 324 {
 325     wxFrame *frame = new LboxTestFrame(_T("wxListBox sample"));
 326     frame->Show();
 327
 328 #if wxUSE_LOG
 329     //wxLog::AddTraceMask(_T("listbox"));
 330     wxLog::AddTraceMask(_T("scrollbar"));
 331 #endif // wxUSE_LOG
 332
 333     return true;
 334 }
 335
 336 // ----------------------------------------------------------------------------
 337 // top level frame class
 338 // ----------------------------------------------------------------------------
 339
 340 LboxTestFrame::LboxTestFrame(const wxString& title)
 341              : wxFrame(NULL, wxID_ANY, title, wxPoint(100, 100))
 342 {
 343     // init everything
 344     m_dirty = false;
 345     m_radioSelMode = (wxRadioBox *)NULL;
 346
 347     m_chkVScroll =
 348     m_chkHScroll =
 349     m_chkSort = (wxCheckBox *)NULL;
 350
 351     m_lbox = (wxListBox *)NULL;
 352 #if wxUSE_LOG
 353     m_lboxLog = (wxListBox *)NULL;
 354 #endif // wxUSE_LOG
 355     m_sizerLbox = (wxSizer *)NULL;
 356
 357 #if wxUSE_LOG
 358     m_logTarget = (wxLog *)NULL;
 359 #endif // wxUSE_LOG
 360
 361     m_panel = new wxPanel(this, wxID_ANY);
 362
 363     /*
 364        What we create here is a frame having 3 panes: the explanatory pane to
 365        the left allowing to set the listbox styles and recreate the control,
 366        the pane containing the listbox itself and the lower pane containing
 367        the buttons which allow to add/change/delete strings to/from it.
 368     */
 369     wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL),
 370             *sizerUp = new wxBoxSizer(wxHORIZONTAL),
 371             *sizerLeft,
 372             *sizerRight = new wxBoxSizer(wxVERTICAL);
 373
 374     // upper left pane
 375     static const wxString modes[] =
 376     {
 377         _T("single"),
 378         _T("extended"),
 379         _T("multiple"),
 380     };
 381
 382     wxStaticBox *box = new wxStaticBox(m_panel, wxID_ANY, _T("&Set listbox parameters"));
 383     m_radioSelMode = new wxRadioBox(m_panel, wxID_ANY, _T("Selection &mode:"),
 384                                     wxDefaultPosition, wxDefaultSize,
 385                                     WXSIZEOF(modes), modes,
 386                                     1, wxRA_SPECIFY_COLS);
 387
 388     m_chkVScroll = new wxCheckBox(m_panel, wxID_ANY, _T("Always show &vertical scrollbar"));
 389     m_chkHScroll = new wxCheckBox(m_panel, wxID_ANY, _T("Show &horizontal scrollbar"));
 390     m_chkSort = new wxCheckBox(m_panel, wxID_ANY, _T("&Sort items"));
 391
 392     sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
 393
 394     sizerLeft->Add(m_chkVScroll, 0, wxLEFT | wxRIGHT, 5);
 395     sizerLeft->Add(m_chkHScroll, 0, wxLEFT | wxRIGHT, 5);
 396     sizerLeft->Add(m_chkSort, 0, wxLEFT | wxRIGHT, 5);
 397     sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
 398     sizerLeft->Add(m_radioSelMode, 0, wxGROW | wxALL, 5);
 399
 400     wxSizer *sizerBtn = new wxBoxSizer(wxHORIZONTAL);
 401     wxButton *btn = new wxButton(m_panel, LboxTest_Reset, _T("&Reset"));
 402     sizerBtn->Add(btn, 0, wxLEFT | wxRIGHT, 5);
 403     btn = new wxButton(m_panel, LboxTest_Create, _T("&Create"));
 404     sizerBtn->Add(btn, 0, wxLEFT | wxRIGHT, 5);
 405     sizerLeft->Add(sizerBtn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
 406
 407     // middle pane
 408     wxStaticBox *box2 = new wxStaticBox(m_panel, wxID_ANY, _T("&Change listbox contents"));
 409     wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
 410
 411     wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
 412     btn = new wxButton(m_panel, LboxTest_Add, _T("&Add this string"));
 413     m_textAdd = new wxTextCtrl(m_panel, LboxTest_AddText, _T("test item 0"));
 414     sizerRow->Add(btn, 0, wxRIGHT, 5);
 415     sizerRow->Add(m_textAdd, 1, wxLEFT, 5);
 416     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 417
 418     btn = new wxButton(m_panel, LboxTest_AddSeveral, _T("&Insert a few strings"));
 419     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 420
 421     btn = new wxButton(m_panel, LboxTest_AddMany, _T("Add &many strings"));
 422     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 423
 424     sizerRow = new wxBoxSizer(wxHORIZONTAL);
 425     btn = new wxButton(m_panel, LboxTest_Change, _T("C&hange current"));
 426     m_textChange = new wxTextCtrl(m_panel, LboxTest_ChangeText, wxEmptyString);
 427     sizerRow->Add(btn, 0, wxRIGHT, 5);
 428     sizerRow->Add(m_textChange, 1, wxLEFT, 5);
 429     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 430
 431     sizerRow = new wxBoxSizer(wxHORIZONTAL);
 432     btn = new wxButton(m_panel, LboxTest_Delete, _T("&Delete this item"));
 433     m_textDelete = new wxTextCtrl(m_panel, LboxTest_DeleteText, wxEmptyString);
 434     sizerRow->Add(btn, 0, wxRIGHT, 5);
 435     sizerRow->Add(m_textDelete, 1, wxLEFT, 5);
 436     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 437
 438     btn = new wxButton(m_panel, LboxTest_DeleteSel, _T("Delete &selection"));
 439     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 440
 441     btn = new wxButton(m_panel, LboxTest_DeselectAll, _T("Deselect All"));
 442     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 443
 444     btn = new wxButton(m_panel, LboxTest_Clear, _T("&Clear"));
 445     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 446
 447     // right pane
 448     sizerRight->SetMinSize(250, 0);
 449     m_sizerLbox = sizerRight; // save it to modify it later
 450
 451     // the 3 panes panes compose the upper part of the window
 452     sizerUp->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
 453     sizerUp->Add(sizerMiddle, 1, wxGROW | wxALL, 10);
 454     sizerUp->Add(sizerRight, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
 455
 456     // the lower one only has the log listbox and a button to clear it
 457 #if wxUSE_LOG
 458     wxSizer *sizerDown = new wxStaticBoxSizer
 459                              (
 460                                new wxStaticBox(m_panel, wxID_ANY, _T("&Log window")),
 461                                wxVERTICAL
 462                              );
 463     m_lboxLog = new wxListBox(m_panel, wxID_ANY);
 464     sizerDown->Add(m_lboxLog, 1, wxGROW | wxALL, 5);
 465 #else
 466     wxSizer *sizerDown = new wxBoxSizer(wxVERTICAL);
 467 #endif // wxUSE_LOG
 468     wxBoxSizer *sizerBtns = new wxBoxSizer(wxHORIZONTAL);
 469 #if wxUSE_LOG
 470     btn = new wxButton(m_panel, LboxTest_ClearLog, _T("Clear &log"));
 471     sizerBtns->Add(btn);
 472     sizerBtns->Add(10, 0); // spacer
 473 #endif // wxUSE_LOG
 474     btn = new wxButton(m_panel, LboxTest_Quit, _T("E&xit"));
 475     sizerBtns->Add(btn);
 476     sizerDown->Add(sizerBtns, 0, wxALL | wxALIGN_RIGHT, 5);
 477
 478     // put everything together
 479     sizerTop->Add(sizerUp, 1, wxGROW | (wxALL & ~wxBOTTOM), 10);
 480     sizerTop->Add(0, 5, 0, wxGROW); // spacer in between
 481     sizerTop->Add(sizerDown, 0,  wxGROW | (wxALL & ~wxTOP), 10);
 482
 483     // final initialization and create the listbox
 484     Reset();
 485     CreateLbox();
 486
 487     m_panel->SetSizer(sizerTop);
 488
 489     sizerTop->Fit(this);
 490     sizerTop->SetSizeHints(this);
 491
 492 #if wxUSE_LOG
 493     // now that everything is created we can redirect the log messages to the
 494     // listbox
 495     m_logTarget = new LboxLogger(m_lboxLog, wxLog::GetActiveTarget());
 496     wxLog::SetActiveTarget(m_logTarget);
 497 #endif // wxUSE_LOG
 498 }
 499
 500 LboxTestFrame::~LboxTestFrame()
 501 {
 502 #if wxUSE_LOG
 503     delete m_logTarget;
 504 #endif // wxUSE_LOG
 505 }
 506
 507 // ----------------------------------------------------------------------------
 508 // operations
 509 // ----------------------------------------------------------------------------
 510
 511 void LboxTestFrame::Reset()
 512 {
 513     if ( m_radioSelMode->GetSelection() == LboxSel_Single &&
 514          !m_chkSort->GetValue() &&
 515          m_chkHScroll->GetValue() &&
 516          !m_chkVScroll->GetValue() )
 517     {
 518         // nothing to do
 519         return;
 520     }
 521
 522     m_radioSelMode->SetSelection(LboxSel_Single);
 523     m_chkSort->SetValue(false);
 524     m_chkHScroll->SetValue(true);
 525     m_chkVScroll->SetValue(false);
 526
 527     m_dirty = true;
 528 }
 529
 530 void LboxTestFrame::CreateLbox()
 531 {
 532     int flags = 0;
 533     switch ( m_radioSelMode->GetSelection() )
 534     {
 535         default:
 536             wxFAIL_MSG( _T("unexpected radio box selection") );
 537
 538         case LboxSel_Single:    flags |= wxLB_SINGLE; break;
 539         case LboxSel_Extended:  flags |= wxLB_EXTENDED; break;
 540         case LboxSel_Multiple:  flags |= wxLB_MULTIPLE; break;
 541     }
 542
 543     if ( m_chkVScroll->GetValue() )
 544         flags |= wxLB_ALWAYS_SB;
 545     if ( m_chkHScroll->GetValue() )
 546         flags |= wxLB_HSCROLL;
 547     if ( m_chkSort->GetValue() )
 548         flags |= wxLB_SORT;
 549
 550     wxArrayString items;
 551
 552     if ( m_lbox ) // cache old items to restore later if listbox existed
 553     {
 554     int count = m_lbox->GetCount();
 555     for ( int n = 0; n < count; n++ )
 556     {
 557         items.Add(m_lbox->GetString(n));
 558     }
 559
 560     m_sizerLbox->Detach(m_lbox);
 561     delete m_lbox;
 562     }
 563
 564     m_lbox = new wxListBox(m_panel, LboxTest_Listbox,
 565                            wxDefaultPosition, wxDefaultSize,
 566                            0, NULL,
 567                            flags);
 568
 569     m_lbox->Set(items);
 570     m_sizerLbox->Add(m_lbox, 1, wxGROW | wxALL, 5);
 571     m_sizerLbox->Layout();
 572
 573     m_dirty = false;
 574
 575     m_lbox->Connect(wxEVT_RIGHT_DOWN,
 576         wxMouseEventHandler(LboxTestFrame::OnListboxRDown), NULL, this);
 577 }
 578
 579 // ----------------------------------------------------------------------------
 580 // event handlers
 581 // ----------------------------------------------------------------------------
 582
 583 void LboxTestFrame::OnButtonQuit(wxCommandEvent& WXUNUSED(event))
 584 {
 585     Close();
 586 }
 587
 588 void LboxTestFrame::OnButtonReset(wxCommandEvent& WXUNUSED(event))
 589 {
 590     Reset();
 591 }
 592
 593 void LboxTestFrame::OnButtonCreate(wxCommandEvent& WXUNUSED(event))
 594 {
 595     CreateLbox();
 596 }
 597
 598 void LboxTestFrame::OnButtonChange(wxCommandEvent& WXUNUSED(event))
 599 {
 600     wxArrayInt selections;
 601     int count = m_lbox->GetSelections(selections);
 602     wxString s = m_textChange->GetValue();
 603     for ( int n = 0; n < count; n++ )
 604     {
 605         m_lbox->SetString(selections[n], s);
 606     }
 607 }
 608
 609 void LboxTestFrame::OnButtonDelete(wxCommandEvent& WXUNUSED(event))
 610 {
 611     unsigned long n;
 612     if ( !m_textDelete->GetValue().ToULong(&n) ||
 613             (n >= (unsigned)m_lbox->GetCount()) )
 614     {
 615         return;
 616     }
 617
 618     m_lbox->Delete(n);
 619 }
 620
 621 void LboxTestFrame::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event))
 622 {
 623     wxArrayInt selections;
 624     int n = m_lbox->GetSelections(selections);
 625     while ( n > 0 )
 626     {
 627         m_lbox->Delete(selections[--n]);
 628     }
 629 }
 630
 631 void LboxTestFrame::OnButtonDeselectAll(wxCommandEvent& WXUNUSED(event))
 632 {
 633     m_lbox->SetSelection(-1);
 634 }
 635
 636 void LboxTestFrame::OnButtonClear(wxCommandEvent& WXUNUSED(event))
 637 {
 638     m_lbox->Clear();
 639 }
 640
 641 #if wxUSE_LOG
 642 void LboxTestFrame::OnButtonClearLog(wxCommandEvent& WXUNUSED(event))
 643 {
 644     m_lboxLog->Clear();
 645 }
 646 #endif // wxUSE_LOG
 647
 648 void LboxTestFrame::OnButtonAdd(wxCommandEvent& WXUNUSED(event))
 649 {
 650     static unsigned s_item = 0;
 651
 652     wxString s = m_textAdd->GetValue();
 653     if ( !m_textAdd->IsModified() )
 654     {
 655         // update the default string
 656         m_textAdd->SetValue(wxString::Format(_T("test item %u"), ++s_item));
 657     }
 658
 659     m_lbox->Append(s);
 660 }
 661
 662 void LboxTestFrame::OnButtonAddMany(wxCommandEvent& WXUNUSED(event))
 663 {
 664     // "many" means 1000 here
 665     for ( unsigned n = 0; n < 1000; n++ )
 666     {
 667         m_lbox->Append(wxString::Format(_T("item #%u"), n));
 668     }
 669 }
 670
 671 void LboxTestFrame::OnButtonAddSeveral(wxCommandEvent& WXUNUSED(event))
 672 {
 673     wxArrayString items;
 674     items.Add(_T("First"));
 675     items.Add(_T("another one"));
 676     items.Add(_T("and the last (very very very very very very very very very very long) one"));
 677     m_lbox->InsertItems(items, 0);
 678 }
 679
 680 void LboxTestFrame::OnUpdateUICreateButton(wxUpdateUIEvent& event)
 681 {
 682     event.Enable(m_dirty);
 683 }
 684
 685 void LboxTestFrame::OnUpdateUIDeleteButton(wxUpdateUIEvent& event)
 686 {
 687     unsigned long n;
 688     event.Enable(m_textDelete->GetValue().ToULong(&n) &&
 689                     (n < (unsigned)m_lbox->GetCount()));
 690 }
 691
 692 void LboxTestFrame::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
 693 {
 694     wxArrayInt selections;
 695     event.Enable(m_lbox->GetSelections(selections) != 0);
 696 }
 697
 698 void LboxTestFrame::OnUpdateUIDeselectAllButton(wxUpdateUIEvent& event)
 699 {
 700     wxArrayInt selections;
 701     event.Enable(m_lbox->GetSelections(selections) != 0);
 702 }
 703
 704 void LboxTestFrame::OnUpdateUIClearButton(wxUpdateUIEvent& event)
 705 {
 706     event.Enable(m_lbox->GetCount() != 0);
 707 }
 708
 709 void LboxTestFrame::OnUpdateUIAddSeveral(wxUpdateUIEvent& event)
 710 {
 711     event.Enable(!(m_lbox->GetWindowStyle() & wxLB_SORT));
 712 }
 713
 714 void LboxTestFrame::OnListbox(wxCommandEvent& event)
 715 {
 716     int sel = event.GetInt();
 717     m_textDelete->SetValue(wxString::Format(_T("%d"), sel));
 718
 719     wxLogMessage(_T("Listbox item %d selected"), sel);
 720 }
 721
 722 void LboxTestFrame::OnListboxDClick(wxCommandEvent& event)
 723 {
 724     int sel = event.GetInt();
 725     wxLogMessage(_T("Listbox item %d double clicked"), sel);
 726 }
 727
 728 void LboxTestFrame::OnListboxRDown(wxMouseEvent& event)
 729 {
 730     int item = m_lbox->HitTest(event.GetPosition());
 731
 732     if ( item != wxNOT_FOUND )
 733         wxLogMessage(_T("Listbox item %d right clicked"), item);
 734     else
 735         wxLogMessage(_T("Listbox right clicked but no item clicked upon"));
 736
 737     event.Skip();
 738 }
 739
 740 void LboxTestFrame::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
 741 {
 742     m_dirty = true;
 743 }
 744