samples/controls/controls.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        controls.cpp
   3 // Purpose:     Controls wxWindows sample
   4 // Author:      Robert Roebling
   5 // Modified by:
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows license
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "controls.h"
  13 #endif
  14
  15 // For compilers that support precompilation, includes "wx/wx.h".
  16 #include "wx/wxprec.h"
  17
  18 #ifdef __BORLANDC__
  19 #pragma hdrstop
  20 #endif
  21
  22 #ifndef WX_PRECOMP
  23 #include "wx/wx.h"
  24 #endif
  25
  26 #include "wx/notebook.h"
  27 #include "wx/imaglist.h"
  28
  29 #if defined(__WXGTK__) || defined(__WXMOTIF__)
  30 #include "mondrian.xpm"
  31 #include "icons/choice.xpm"
  32 #include "icons/combo.xpm"
  33 #include "icons/list.xpm"
  34 #include "icons/radio.xpm"
  35 #include "icons/text.xpm"
  36 #endif
  37
  38 //----------------------------------------------------------------------
  39 // class definitions
  40 //----------------------------------------------------------------------
  41
  42 class MyApp: public wxApp
  43 {
  44   public:
  45     bool OnInit(void);
  46 };
  47
  48 class MyPanel: public wxPanel
  49 {
  50   public:
  51
  52     MyPanel(wxFrame *frame, int x, int y, int w, int h);
  53     virtual ~MyPanel();
  54
  55     void OnSize( wxSizeEvent& event );
  56     void OnListBox( wxCommandEvent &event );
  57     void OnListBoxButtons( wxCommandEvent &event );
  58     void OnChoice( wxCommandEvent &event );
  59     void OnChoiceButtons( wxCommandEvent &event );
  60     void OnCombo( wxCommandEvent &event );
  61     void OnComboButtons( wxCommandEvent &event );
  62     void OnRadio( wxCommandEvent &event );
  63     void OnRadioButtons( wxCommandEvent &event );
  64     void OnSetFont( wxCommandEvent &event );
  65     void OnPageChanged( wxNotebookEvent &event );
  66
  67     wxListBox   *m_listbox;
  68     wxChoice    *m_choice;
  69     wxComboBox  *m_combo;
  70     wxRadioBox  *m_radio;
  71     wxButton    *m_fontButton;
  72
  73     wxTextCtrl  *m_text;
  74     wxNotebook  *m_notebook;
  75
  76   DECLARE_EVENT_TABLE()
  77 };
  78
  79 class MyFrame: public wxFrame
  80 {
  81   public:
  82
  83     MyFrame(wxFrame *frame, char *title, int x, int y, int w, int h);
  84
  85   public:
  86
  87     void OnQuit(wxCommandEvent& event);
  88     void OnAbout(wxCommandEvent& event);
  89     bool OnClose(void) { return TRUE; }
  90
  91   DECLARE_EVENT_TABLE()
  92 };
  93
  94 //----------------------------------------------------------------------
  95 // main()
  96 //----------------------------------------------------------------------
  97
  98 IMPLEMENT_APP   (MyApp)
  99
 100 //----------------------------------------------------------------------
 101 // MyApp
 102 //----------------------------------------------------------------------
 103
 104 const   int MINIMAL_QUIT   = 100;
 105 const   int MINIMAL_TEXT   = 101;
 106 const   int MINIMAL_ABOUT  = 102;
 107
 108 bool MyApp::OnInit(void)
 109 {
 110   // Create the main frame window
 111   MyFrame *frame = new MyFrame((wxFrame *) NULL, (char *) "Controls wxWindows App", 50, 50, 530, 420 );
 112
 113   // Give it an icon
 114 #ifdef __WXMSW__
 115   frame->SetIcon(wxIcon("mondrian"));
 116 #else
 117   frame->SetIcon(wxIcon( mondrian_xpm ));
 118 #endif
 119
 120   wxMenu *file_menu = new wxMenu;
 121
 122   file_menu->Append(MINIMAL_ABOUT, "&About");
 123   file_menu->Append(MINIMAL_QUIT, "E&xit");
 124   wxMenuBar *menu_bar = new wxMenuBar;
 125   menu_bar->Append(file_menu, "&File");
 126   frame->SetMenuBar(menu_bar);
 127
 128   frame->Show(TRUE);
 129
 130   SetTopWindow(frame);
 131
 132   return TRUE;
 133 }
 134
 135 //----------------------------------------------------------------------
 136 // MyPanel
 137 //----------------------------------------------------------------------
 138
 139 const  ID_NOTEBOOK          = 1000;
 140
 141 const  ID_LISTBOX           = 130;
 142 const  ID_LISTBOX_SEL_NUM   = 131;
 143 const  ID_LISTBOX_SEL_STR   = 132;
 144 const  ID_LISTBOX_CLEAR     = 133;
 145 const  ID_LISTBOX_APPEND    = 134;
 146 const  ID_LISTBOX_DELETE    = 135;
 147 const  ID_LISTBOX_FONT      = 136;
 148 const  ID_LISTBOX_ENABLE    = 137;
 149
 150 const  ID_CHOICE            = 120;
 151 const  ID_CHOICE_SEL_NUM    = 121;
 152 const  ID_CHOICE_SEL_STR    = 122;
 153 const  ID_CHOICE_CLEAR      = 123;
 154 const  ID_CHOICE_APPEND     = 124;
 155 const  ID_CHOICE_DELETE     = 125;
 156 const  ID_CHOICE_FONT       = 126;
 157 const  ID_CHOICE_ENABLE     = 127;
 158
 159 const  ID_COMBO             = 140;
 160 const  ID_COMBO_SEL_NUM     = 141;
 161 const  ID_COMBO_SEL_STR     = 142;
 162 const  ID_COMBO_CLEAR       = 143;
 163 const  ID_COMBO_APPEND      = 144;
 164 const  ID_COMBO_DELETE      = 145;
 165 const  ID_COMBO_FONT        = 146;
 166 const  ID_COMBO_ENABLE      = 147;
 167
 168 const  ID_TEXT              = 150;
 169
 170 const  ID_RADIOBOX          = 160;
 171 const  ID_RADIOBOX_SEL_NUM  = 161;
 172 const  ID_RADIOBOX_SEL_STR  = 162;
 173 const  ID_RADIOBOX_FONT     = 163;
 174 const  ID_RADIOBOX_ENABLE   = 164;
 175
 176 const  ID_SET_FONT          = 170;
 177
 178 BEGIN_EVENT_TABLE(MyPanel, wxPanel)
 179   EVT_SIZE      (                         MyPanel::OnSize)
 180   EVT_NOTEBOOK_PAGE_CHANGED(ID_NOTEBOOK,  MyPanel::OnPageChanged)
 181   EVT_LISTBOX   (ID_LISTBOX,              MyPanel::OnListBox)
 182   EVT_BUTTON    (ID_LISTBOX_SEL_NUM,      MyPanel::OnListBoxButtons)
 183   EVT_BUTTON    (ID_LISTBOX_SEL_STR,      MyPanel::OnListBoxButtons)
 184   EVT_BUTTON    (ID_LISTBOX_CLEAR,        MyPanel::OnListBoxButtons)
 185   EVT_BUTTON    (ID_LISTBOX_APPEND,       MyPanel::OnListBoxButtons)
 186   EVT_BUTTON    (ID_LISTBOX_DELETE,       MyPanel::OnListBoxButtons)
 187   EVT_BUTTON    (ID_LISTBOX_FONT,         MyPanel::OnListBoxButtons)
 188   EVT_CHECKBOX  (ID_LISTBOX_ENABLE,       MyPanel::OnListBoxButtons)
 189   EVT_CHOICE    (ID_CHOICE,               MyPanel::OnChoice)
 190   EVT_BUTTON    (ID_CHOICE_SEL_NUM,       MyPanel::OnChoiceButtons)
 191   EVT_BUTTON    (ID_CHOICE_SEL_STR,       MyPanel::OnChoiceButtons)
 192   EVT_BUTTON    (ID_CHOICE_CLEAR,         MyPanel::OnChoiceButtons)
 193   EVT_BUTTON    (ID_CHOICE_APPEND,        MyPanel::OnChoiceButtons)
 194   EVT_BUTTON    (ID_CHOICE_DELETE,        MyPanel::OnChoiceButtons)
 195   EVT_BUTTON    (ID_CHOICE_FONT,          MyPanel::OnChoiceButtons)
 196   EVT_CHECKBOX  (ID_CHOICE_ENABLE,        MyPanel::OnChoiceButtons)
 197   EVT_CHOICE    (ID_COMBO,                MyPanel::OnCombo)
 198   EVT_BUTTON    (ID_COMBO_SEL_NUM,        MyPanel::OnComboButtons)
 199   EVT_BUTTON    (ID_COMBO_SEL_STR,        MyPanel::OnComboButtons)
 200   EVT_BUTTON    (ID_COMBO_CLEAR,          MyPanel::OnComboButtons)
 201   EVT_BUTTON    (ID_COMBO_APPEND,         MyPanel::OnComboButtons)
 202   EVT_BUTTON    (ID_COMBO_DELETE,         MyPanel::OnComboButtons)
 203   EVT_BUTTON    (ID_COMBO_FONT,           MyPanel::OnComboButtons)
 204   EVT_CHECKBOX  (ID_COMBO_ENABLE,         MyPanel::OnComboButtons)
 205   EVT_RADIOBOX  (ID_RADIOBOX,             MyPanel::OnRadio)
 206   EVT_BUTTON    (ID_RADIOBOX_SEL_NUM,     MyPanel::OnRadioButtons)
 207   EVT_BUTTON    (ID_RADIOBOX_SEL_STR,     MyPanel::OnRadioButtons)
 208   EVT_BUTTON    (ID_RADIOBOX_FONT,        MyPanel::OnRadioButtons)
 209   EVT_CHECKBOX  (ID_RADIOBOX_ENABLE,      MyPanel::OnRadioButtons)
 210   EVT_BUTTON    (ID_SET_FONT,             MyPanel::OnSetFont)
 211 END_EVENT_TABLE()
 212
 213 MyPanel::MyPanel( wxFrame *frame, int x, int y, int w, int h ) :
 214   wxPanel( frame, -1, wxPoint(x, y), wxSize(w, h) )
 215 {
 216   m_text = new wxTextCtrl( this, -1, "This is the log window.\n", wxPoint(0,50), wxSize(100,50), wxTE_MULTILINE );
 217   m_text->SetBackgroundColour("wheat");
 218
 219   m_notebook = new wxNotebook( this, ID_NOTEBOOK, wxPoint(0,0), wxSize(200,150) );
 220
 221   wxString choices[] =
 222   {
 223     "This",
 224     "is a",
 225     "wonderful",
 226     "example.",
 227   };
 228
 229   // image ids and names
 230   enum
 231   {
 232     Image_List, Image_Choice, Image_Combo, Image_Text, Image_Radio, Image_Max
 233   };
 234
 235   // fill the image list
 236 #ifdef __WXMSW__
 237   const char *aIconNames[] =
 238   {
 239     "list.xpm", "choice.xpm", "combo.xpm", "text.xpm", "radio.xpm"
 240   };
 241
 242   wxASSERT( WXSIZEOF(aIconNames) == Image_Max ); // keep in sync
 243
 244   wxString strIconDir = "icons/";
 245
 246   wxImageList *imagelist = new wxImageList(32, 32);
 247   for ( size_t n = 0; n < Image_Max; n++ )
 248   {
 249     imagelist->Add(wxBitmap(strIconDir + aIconNames[n]));
 250   }
 251 #else
 252   wxImageList *imagelist = new wxImageList(32, 32);
 253
 254   imagelist-> Add( wxBitmap( list_xpm ));
 255   imagelist-> Add( wxBitmap( choice_xpm ));
 256   imagelist-> Add( wxBitmap( combo_xpm ));
 257   imagelist-> Add( wxBitmap( text_xpm ));
 258   imagelist-> Add( wxBitmap( radio_xpm ));
 259 #endif
 260
 261   m_notebook->SetImageList(imagelist);
 262
 263   wxPanel *panel = new wxPanel(m_notebook);
 264   panel->SetBackgroundColour("cadet blue");
 265   m_listbox = new wxListBox( panel, ID_LISTBOX, wxPoint(10,10), wxSize(120,70), 4, choices );
 266   m_listbox->SetBackgroundColour("wheat");
 267   (void)new wxButton( panel, ID_LISTBOX_SEL_NUM, "Select #2", wxPoint(180,30), wxSize(140,30) );
 268   (void)new wxButton( panel, ID_LISTBOX_SEL_STR, "Select 'This'", wxPoint(340,30), wxSize(140,30) );
 269   (void)new wxButton( panel, ID_LISTBOX_CLEAR, "Clear", wxPoint(180,80), wxSize(140,30) );
 270   (void)new wxButton( panel, ID_LISTBOX_APPEND, "Append 'Hi!'", wxPoint(340,80), wxSize(140,30) );
 271   (void)new wxButton( panel, ID_LISTBOX_DELETE, "Delete selected item", wxPoint(180,130), wxSize(140,30) );
 272   (void)new wxButton( panel, ID_LISTBOX_FONT, "Set Italic font", wxPoint(340,130), wxSize(140,30) );
 273   (void)new wxCheckBox( panel, ID_LISTBOX_ENABLE, "Disable", wxPoint(20,130), wxSize(140,30) );
 274   m_notebook->AddPage(panel, "wxList", FALSE, Image_List);
 275
 276   panel = new wxPanel(m_notebook);
 277   panel->SetBackgroundColour("cadet blue");
 278   m_choice = new wxChoice( panel, ID_CHOICE, wxPoint(10,10), wxSize(120,-1), 4, choices );
 279   (void)new wxButton( panel, ID_CHOICE_SEL_NUM, "Select #2", wxPoint(180,30), wxSize(140,30) );
 280   (void)new wxButton( panel, ID_CHOICE_SEL_STR, "Select 'This'", wxPoint(340,30), wxSize(140,30) );
 281   (void)new wxButton( panel, ID_CHOICE_CLEAR, "Clear", wxPoint(180,80), wxSize(140,30) );
 282   (void)new wxButton( panel, ID_CHOICE_APPEND, "Append 'Hi!'", wxPoint(340,80), wxSize(140,30) );
 283   (void)new wxButton( panel, ID_CHOICE_DELETE, "Delete selected item", wxPoint(180,130), wxSize(140,30) );
 284   (void)new wxButton( panel, ID_CHOICE_FONT, "Set Italic font", wxPoint(340,130), wxSize(140,30) );
 285   (void)new wxCheckBox( panel, ID_CHOICE_ENABLE, "Disable", wxPoint(20,130), wxSize(140,30) );
 286   m_notebook->AddPage(panel, "wxChoice", FALSE, Image_Choice);
 287
 288   panel = new wxPanel(m_notebook);
 289   panel->SetBackgroundColour("cadet blue");
 290   m_combo = new wxComboBox( panel, ID_COMBO, "This", wxPoint(10,10), wxSize(120,-1), 4, choices );
 291   m_combo->SetBackgroundColour("wheat");
 292   (void)new wxButton( panel, ID_COMBO_SEL_NUM, "Select #2", wxPoint(180,30), wxSize(140,30) );
 293   (void)new wxButton( panel, ID_COMBO_SEL_STR, "Select 'This'", wxPoint(340,30), wxSize(140,30) );
 294   (void)new wxButton( panel, ID_COMBO_CLEAR, "Clear", wxPoint(180,80), wxSize(140,30) );
 295   (void)new wxButton( panel, ID_COMBO_APPEND, "Append 'Hi!'", wxPoint(340,80), wxSize(140,30) );
 296   (void)new wxButton( panel, ID_COMBO_DELETE, "Delete selected item", wxPoint(180,130), wxSize(140,30) );
 297   (void)new wxButton( panel, ID_COMBO_FONT, "Set Italic font", wxPoint(340,130), wxSize(140,30) );
 298   (void)new wxCheckBox( panel, ID_COMBO_ENABLE, "Disable", wxPoint(20,130), wxSize(140,30) );
 299   m_notebook->AddPage(panel, "wxComboBox", FALSE, Image_Combo);
 300
 301   panel = new wxPanel(m_notebook);
 302   panel->SetBackgroundColour("cadet blue");
 303   wxTextCtrl *tc = new wxTextCtrl( panel, ID_TEXT, "Write text here.", wxPoint(10,10), wxSize(350,28));
 304   tc->SetBackgroundColour("wheat");
 305   tc = new wxTextCtrl( panel, ID_TEXT, "And here.", wxPoint(10,50), wxSize(350,160), wxTE_MULTILINE  );
 306   tc->SetBackgroundColour("wheat");
 307   m_notebook->AddPage(panel, "wxTextCtrl" , FALSE, Image_Text);
 308
 309   panel = new wxPanel(m_notebook);
 310   panel->SetBackgroundColour("cadet blue");
 311   m_radio = new wxRadioBox( panel, ID_RADIOBOX, "This", wxPoint(10,10), wxSize(-1,-1), 4, choices );
 312   (void)new wxButton( panel, ID_RADIOBOX_SEL_NUM, "Select #2", wxPoint(180,30), wxSize(140,30) );
 313   (void)new wxButton( panel, ID_RADIOBOX_SEL_STR, "Select 'This'", wxPoint(180,80), wxSize(140,30) );
 314   (void)new wxButton( panel, ID_RADIOBOX_FONT, "Set Italic font", wxPoint(180,130), wxSize(140,30) );
 315   (void)new wxCheckBox( panel, ID_RADIOBOX_ENABLE, "Disable", wxPoint(20,130), wxSize(140,30) );
 316   m_fontButton = new wxButton( panel, ID_SET_FONT, "Set more Italic font", wxPoint(340,30), wxSize(160,30) );
 317   m_notebook->AddPage(panel, "wxRadioBox", FALSE, Image_Radio);
 318 }
 319
 320 void MyPanel::OnSize( wxSizeEvent& WXUNUSED(event) )
 321 {
 322   int x = 0;
 323   int y = 0;
 324   GetClientSize( &x, &y );
 325
 326   if (m_notebook) m_notebook->SetSize( 2, 2, x-4, y*2/3-4 );
 327   if (m_text) m_text->SetSize( 2, y*2/3+2, x-4, y/3-4 );
 328 }
 329
 330 void MyPanel::OnPageChanged( wxNotebookEvent &event )
 331 {
 332   *m_text << "Notebook selection is " << event.GetSelection() << "\n";
 333 }
 334
 335 void MyPanel::OnListBox( wxCommandEvent &event )
 336 {
 337   m_text->WriteText( "ListBox selection string is: " );
 338   m_text->WriteText( event.GetString() );
 339   m_text->WriteText( "\n" );
 340 }
 341
 342 void MyPanel::OnListBoxButtons( wxCommandEvent &event )
 343 {
 344   switch (event.GetId())
 345   {
 346     case ID_LISTBOX_ENABLE:
 347     {
 348       m_listbox->Enable( !((bool)event.GetInt()) );
 349       break;
 350     }
 351     case ID_LISTBOX_SEL_NUM:
 352     {
 353       m_listbox->SetSelection( 2 );
 354       break;
 355     }
 356     case ID_LISTBOX_SEL_STR:
 357     {
 358       m_listbox->SetStringSelection( "This" );
 359       break;
 360     }
 361     case ID_LISTBOX_CLEAR:
 362     {
 363       m_listbox->Clear();
 364       break;
 365     }
 366     case ID_LISTBOX_APPEND:
 367     {
 368       m_listbox->Append( "Hi!" );
 369       break;
 370     }
 371     case ID_LISTBOX_DELETE:
 372     {
 373       int idx = m_listbox->GetSelection();
 374       m_listbox->Delete( idx );
 375       break;
 376     }
 377     case ID_LISTBOX_FONT:
 378     {
 379       m_listbox->SetFont( *wxITALIC_FONT );
 380       break;
 381     }
 382   }
 383 }
 384
 385 void MyPanel::OnChoice( wxCommandEvent &event )
 386 {
 387   m_text->WriteText( "Choice selection string is: " );
 388   m_text->WriteText( event.GetString() );
 389   m_text->WriteText( "\n" );
 390 }
 391
 392 void MyPanel::OnChoiceButtons( wxCommandEvent &event )
 393 {
 394   switch (event.GetId())
 395   {
 396     case ID_CHOICE_ENABLE:
 397     {
 398       m_choice->Enable( !((bool)event.GetInt()) );
 399       break;
 400     }
 401     case ID_CHOICE_SEL_NUM:
 402     {
 403       m_choice->SetSelection( 2 );
 404       break;
 405     }
 406     case ID_CHOICE_SEL_STR:
 407     {
 408       m_choice->SetStringSelection( "This" );
 409       break;
 410     }
 411     case ID_CHOICE_CLEAR:
 412     {
 413       m_choice->Clear();
 414       break;
 415     }
 416     case ID_CHOICE_APPEND:
 417     {
 418       m_choice->Append( "Hi!" );
 419       break;
 420     }
 421     case ID_CHOICE_DELETE:
 422     {
 423       int idx = m_choice->GetSelection();
 424       m_choice->Delete( idx );
 425       break;
 426     }
 427     case ID_CHOICE_FONT:
 428     {
 429       m_choice->SetFont( *wxITALIC_FONT );
 430       break;
 431     }
 432   }
 433 }
 434
 435 void MyPanel::OnCombo( wxCommandEvent &event )
 436 {
 437   m_text->WriteText( "ComboBox selection string is: " );
 438   m_text->WriteText( event.GetString() );
 439   m_text->WriteText( "\n" );
 440 }
 441
 442 void MyPanel::OnComboButtons( wxCommandEvent &event )
 443 {
 444   switch (event.GetId())
 445   {
 446     case ID_COMBO_ENABLE:
 447     {
 448       m_combo->Enable( !((bool)event.GetInt()) );
 449       break;
 450     }
 451     case ID_COMBO_SEL_NUM:
 452     {
 453       m_combo->SetSelection( 2 );
 454       break;
 455     }
 456     case ID_COMBO_SEL_STR:
 457     {
 458       m_combo->SetStringSelection( "This" );
 459       break;
 460     }
 461     case ID_COMBO_CLEAR:
 462     {
 463       m_combo->Clear();
 464       break;
 465     }
 466     case ID_COMBO_APPEND:
 467     {
 468       m_combo->Append( "Hi!" );
 469       break;
 470     }
 471     case ID_COMBO_DELETE:
 472     {
 473       int idx = m_combo->GetSelection();
 474       m_combo->Delete( idx );
 475       break;
 476     }
 477     case ID_COMBO_FONT:
 478     {
 479       m_combo->SetFont( *wxITALIC_FONT );
 480       break;
 481     }
 482   }
 483 }
 484
 485 void MyPanel::OnRadio( wxCommandEvent &event )
 486 {
 487   m_text->WriteText( "RadioBox selection string is: " );
 488   m_text->WriteText( event.GetString() );
 489   m_text->WriteText( "\n" );
 490 }
 491
 492 void MyPanel::OnRadioButtons( wxCommandEvent &event )
 493 {
 494   switch (event.GetId())
 495   {
 496     case ID_RADIOBOX_ENABLE:
 497     {
 498       m_radio->Enable( !((bool)event.GetInt()) );
 499       break;
 500     }
 501     case ID_RADIOBOX_SEL_NUM:
 502     {
 503       m_radio->SetSelection( 2 );
 504       break;
 505     }
 506     case ID_RADIOBOX_SEL_STR:
 507     {
 508       m_radio->SetStringSelection( "This" );
 509       break;
 510     }
 511     case ID_RADIOBOX_FONT:
 512     {
 513       m_radio->SetFont( *wxITALIC_FONT );
 514       break;
 515     }
 516   }
 517 }
 518
 519 void MyPanel::OnSetFont( wxCommandEvent &WXUNUSED(event) )
 520 {
 521   m_fontButton->SetFont( *wxITALIC_FONT );
 522   m_text->SetFont( *wxITALIC_FONT );
 523 }
 524
 525 MyPanel::~MyPanel()
 526 {
 527   delete m_notebook->GetImageList();
 528 }
 529
 530 //----------------------------------------------------------------------
 531 // MyFrame
 532 //----------------------------------------------------------------------
 533
 534 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 535     EVT_MENU(MINIMAL_QUIT,   MyFrame::OnQuit)
 536     EVT_MENU(MINIMAL_ABOUT,  MyFrame::OnAbout)
 537 END_EVENT_TABLE()
 538
 539 MyFrame::MyFrame(wxFrame *frame, char *title, int x, int y, int w, int h):
 540   wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
 541 {
 542   (void)new MyPanel( this, 10, 10, 300, 100 );
 543 }
 544
 545 void MyFrame::OnQuit (wxCommandEvent& WXUNUSED(event) )
 546 {
 547   Close(TRUE);
 548 }
 549
 550 void MyFrame::OnAbout( wxCommandEvent& WXUNUSED(event) )
 551 {
 552   wxMessageDialog dialog(this, "This is a control sample", "About Controls", wxOK );
 553   dialog.ShowModal();
 554 }