samples/statbar/statbar.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        statbar.cpp
   3 // Purpose:     wxStatusBar sample
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     04.02.00
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 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_STATUSBAR
  28     #error "You need to set wxUSE_STATUSBAR to 1 to compile this sample"
  29 #endif // wxUSE_STATUSBAR
  30
  31 // for all others, include the necessary headers
  32 #ifndef WX_PRECOMP
  33     #include "wx/app.h"
  34     #include "wx/log.h"
  35     #include "wx/frame.h"
  36     #include "wx/statusbr.h"
  37     #include "wx/timer.h"
  38     #include "wx/checkbox.h"
  39     #include "wx/statbmp.h"
  40     #include "wx/menu.h"
  41     #include "wx/msgdlg.h"
  42     #include "wx/textdlg.h"
  43     #include "wx/sizer.h"
  44     #include "wx/stattext.h"
  45     #include "wx/bmpbuttn.h"
  46     #include "wx/dcmemory.h"
  47 #endif
  48
  49 #include "wx/datetime.h"
  50 #include "wx/numdlg.h"
  51
  52 // define this for the platforms which don't support wxBitmapButton (such as
  53 // Motif), else a wxBitmapButton will be used
  54 #ifdef __WXMOTIF__
  55 //#define USE_MDI_PARENT_FRAME 1
  56
  57 #ifdef USE_MDI_PARENT_FRAME
  58     #include "wx/mdi.h"
  59 #endif // USE_MDI_PARENT_FRAME
  60     #define USE_STATIC_BITMAP
  61 #endif
  62
  63 // ----------------------------------------------------------------------------
  64 // resources
  65 // ----------------------------------------------------------------------------
  66
  67 #ifdef USE_STATIC_BITMAP
  68     #include "green.xpm"
  69     #include "red.xpm"
  70 #endif // USE_STATIC_BITMAP
  71
  72 // ----------------------------------------------------------------------------
  73 // private classes
  74 // ----------------------------------------------------------------------------
  75
  76 // Define a new application type, each program should derive a class from wxApp
  77 class MyApp : public wxApp
  78 {
  79 public:
  80     // override base class virtuals
  81     // ----------------------------
  82
  83     // this one is called on application startup and is a good place for the app
  84     // initialization (doing it here and not in the ctor allows to have an error
  85     // return: if OnInit() returns false, the application terminates)
  86     virtual bool OnInit();
  87 };
  88
  89 // A custom status bar which contains controls, icons &c
  90 class MyStatusBar : public wxStatusBar
  91 {
  92 public:
  93     MyStatusBar(wxWindow *parent);
  94     virtual ~MyStatusBar();
  95
  96     void UpdateClock();
  97
  98     // event handlers
  99     void OnTimer(wxTimerEvent& WXUNUSED(event)) { UpdateClock(); }
 100     void OnSize(wxSizeEvent& event);
 101     void OnToggleClock(wxCommandEvent& event);
 102     void OnButton(wxCommandEvent& event);
 103
 104 private:
 105     // toggle the state of the status bar controls
 106     void DoToggle();
 107
 108     wxBitmap CreateBitmapForButton(bool on = false);
 109
 110     enum
 111     {
 112         Field_Text,
 113         Field_Checkbox,
 114         Field_Bitmap,
 115         Field_Clock,
 116         Field_Max
 117     };
 118
 119     wxTimer m_timer;
 120
 121     wxCheckBox *m_checkbox;
 122 #ifdef USE_STATIC_BITMAP
 123     wxStaticBitmap *m_statbmp;
 124 #else
 125     wxBitmapButton *m_statbmp;
 126 #endif
 127
 128     DECLARE_EVENT_TABLE()
 129 };
 130
 131 // Define a new frame type: this is going to be our main frame
 132 class MyFrame : public wxFrame
 133 {
 134 public:
 135     // ctor(s)
 136     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
 137 #ifdef USE_MDI_PARENT_FRAME
 138 class MyFrame : public wxMDIParentFrame
 139 #else
 140     virtual ~MyFrame();
 141 #endif
 142
 143     // event handlers (these functions should _not_ be virtual)
 144     void OnQuit(wxCommandEvent& event);
 145     void OnAbout(wxCommandEvent& event);
 146
 147     void OnSetStatusFields(wxCommandEvent& event);
 148     void OnRecreateStatusBar(wxCommandEvent& event);
 149     void OnSetStyleNormal(wxCommandEvent& event);
 150     void OnSetStyleFlat(wxCommandEvent& event);
 151     void OnSetStyleRaised(wxCommandEvent& event);
 152
 153 private:
 154     enum StatBarKind
 155     {
 156         StatBar_Default,
 157         StatBar_Custom,
 158         StatBar_Max
 159     } m_statbarKind;
 160     void OnUpdateSetStatusFields(wxUpdateUIEvent& event);
 161     void OnUpdateStatusBarToggle(wxUpdateUIEvent& event);
 162     void OnUpdateSetStyleNormal(wxUpdateUIEvent& event);
 163     void OnUpdateSetStyleFlat(wxUpdateUIEvent& event);
 164     void OnUpdateSetStyleRaised(wxUpdateUIEvent& event);
 165     void OnStatusBarToggle(wxCommandEvent& event);
 166     void DoCreateStatusBar(StatBarKind kind);
 167     void ApplyStyle();
 168
 169     wxStatusBar *m_statbarDefault;
 170     MyStatusBar *m_statbarCustom;
 171
 172     int m_statbarStyle;
 173
 174     // any class wishing to process wxWidgets events must use this macro
 175     DECLARE_EVENT_TABLE()
 176 };
 177
 178 // Our about dialog ith its status bar
 179 class MyAboutDialog : public wxDialog
 180 {
 181 public:
 182     MyAboutDialog(wxWindow *parent);
 183 };
 184
 185 // ----------------------------------------------------------------------------
 186 // constants
 187 // ----------------------------------------------------------------------------
 188
 189 // IDs for the controls and the menu commands
 190 enum
 191 {
 192     // menu items
 193     StatusBar_Quit = 1,
 194     StatusBar_SetFields,
 195     StatusBar_Recreate,
 196     StatusBar_About,
 197     StatusBar_Toggle,
 198     StatusBar_Checkbox = 1000,
 199     StatusBar_SetStyle,
 200     StatusBar_SetStyleNormal,
 201     StatusBar_SetStyleFlat,
 202     StatusBar_SetStyleRaised
 203 };
 204
 205 static const int BITMAP_SIZE_X = 32;
 206 static const int BITMAP_SIZE_Y = 15;
 207
 208 // ----------------------------------------------------------------------------
 209 // event tables and other macros for wxWidgets
 210 // ----------------------------------------------------------------------------
 211
 212 // the event tables connect the wxWidgets events with the functions (event
 213 // handlers) which process them. It can be also done at run-time, but for the
 214 // simple menu events like this the static method is much simpler.
 215 #ifdef USE_MDI_PARENT_FRAME
 216 BEGIN_EVENT_TABLE(MyFrame, wxMDIParentFrame)
 217 #else
 218 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 219 #endif
 220     EVT_MENU(StatusBar_Quit,  MyFrame::OnQuit)
 221     EVT_MENU(StatusBar_SetFields, MyFrame::OnSetStatusFields)
 222     EVT_MENU(StatusBar_Recreate, MyFrame::OnRecreateStatusBar)
 223     EVT_MENU(StatusBar_About, MyFrame::OnAbout)
 224     EVT_MENU(StatusBar_Toggle, MyFrame::OnStatusBarToggle)
 225     EVT_MENU(StatusBar_SetStyleNormal, MyFrame::OnSetStyleNormal)
 226     EVT_MENU(StatusBar_SetStyleFlat, MyFrame::OnSetStyleFlat)
 227     EVT_MENU(StatusBar_SetStyleRaised, MyFrame::OnSetStyleRaised)
 228     EVT_UPDATE_UI(StatusBar_Toggle, MyFrame::OnUpdateStatusBarToggle)
 229     EVT_UPDATE_UI(StatusBar_SetFields, MyFrame::OnUpdateSetStatusFields)
 230     EVT_UPDATE_UI(StatusBar_SetStyleNormal, MyFrame::OnUpdateSetStyleNormal)
 231     EVT_UPDATE_UI(StatusBar_SetStyleFlat, MyFrame::OnUpdateSetStyleFlat)
 232     EVT_UPDATE_UI(StatusBar_SetStyleRaised, MyFrame::OnUpdateSetStyleRaised)
 233 END_EVENT_TABLE()
 234
 235 BEGIN_EVENT_TABLE(MyStatusBar, wxStatusBar)
 236     EVT_SIZE(MyStatusBar::OnSize)
 237     EVT_CHECKBOX(StatusBar_Checkbox, MyStatusBar::OnToggleClock)
 238     EVT_BUTTON(wxID_ANY, MyStatusBar::OnButton)
 239     EVT_TIMER(wxID_ANY, MyStatusBar::OnTimer)
 240 END_EVENT_TABLE()
 241
 242 // Create a new application object: this macro will allow wxWidgets to create
 243 // the application object during program execution (it's better than using a
 244 // static object for many reasons) and also declares the accessor function
 245 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 246 // not wxApp)
 247 IMPLEMENT_APP(MyApp)
 248
 249 // ============================================================================
 250 // implementation
 251 // ============================================================================
 252
 253 // ----------------------------------------------------------------------------
 254 // the application class
 255 // ----------------------------------------------------------------------------
 256
 257 // `Main program' equivalent: the program execution "starts" here
 258 bool MyApp::OnInit()
 259 {
 260     // create the main application window
 261     MyFrame *frame = new MyFrame(_T("wxStatusBar sample"),
 262                                  wxPoint(50, 50), wxSize(450, 340));
 263
 264     // and show it (the frames, unlike simple controls, are not shown when
 265     // created initially)
 266     frame->Show(true);
 267
 268     // success: wxApp::OnRun() will be called which will enter the main message
 269     // loop and the application will run. If we returned 'false' here, the
 270     // application would exit immediately.
 271     return true;
 272 }
 273
 274 // ----------------------------------------------------------------------------
 275 // main frame
 276 // ----------------------------------------------------------------------------
 277
 278 // frame constructor
 279 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 280 #ifdef USE_MDI_PARENT_FRAME
 281        : wxMDIParentFrame((wxWindow *)NULL, wxID_ANY, title, pos, size)
 282 #else
 283        : wxFrame((wxWindow *)NULL, wxID_ANY, title, pos, size)
 284 #endif
 285 {
 286     m_statbarDefault = NULL;
 287     m_statbarCustom = NULL;
 288
 289     m_statbarStyle = wxSB_NORMAL;
 290
 291 #ifdef __WXMAC__
 292     // we need this in order to allow the about menu relocation, since ABOUT is
 293     // not the default id of the about menu
 294     wxApp::s_macAboutMenuItemId = StatusBar_About;
 295 #endif
 296
 297     // create a menu bar
 298     wxMenu *menuFile = new wxMenu;
 299     menuFile->Append(StatusBar_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
 300
 301     wxMenu *statbarMenu = new wxMenu;
 302     statbarMenu->Append(StatusBar_SetFields, _T("&Set field count\tCtrl-C"),
 303                         _T("Set the number of status bar fields"));
 304     statbarMenu->Append(StatusBar_Toggle, _T("&Toggle Status Bar"),
 305                         _T("Toggle the status bar display"), true);
 306     statbarMenu->Append(StatusBar_Recreate, _T("&Recreate\tCtrl-R"),
 307                         _T("Toggle status bar format"));
 308
 309     wxMenu *statbarStyleMenu = new wxMenu;
 310     statbarStyleMenu->Append(StatusBar_SetStyleNormal, _T("&Normal"), _T("Sets the style of the first field to normal (sunken) look"), true);
 311     statbarStyleMenu->Append(StatusBar_SetStyleFlat, _T("&Flat"), _T("Sets the style of the first field to flat look"), true);
 312     statbarStyleMenu->Append(StatusBar_SetStyleRaised, _T("&Raised"), _T("Sets the style of the first field to raised look"), true);
 313     statbarMenu->Append(StatusBar_SetStyle, _T("Field style"), statbarStyleMenu);
 314
 315     wxMenu *helpMenu = new wxMenu;
 316     helpMenu->Append(StatusBar_About, _T("&About...\tCtrl-A"), _T("Show about dialog"));
 317
 318     // now append the freshly created menu to the menu bar...
 319     wxMenuBar *menuBar = new wxMenuBar();
 320     menuBar->Append(menuFile, _T("&File"));
 321     menuBar->Append(statbarMenu, _T("&Status bar"));
 322     menuBar->Append(helpMenu, _T("&Help"));
 323
 324     // ... and attach this menu bar to the frame
 325     SetMenuBar(menuBar);
 326
 327     // create default status bar to start with
 328     CreateStatusBar(2);
 329     m_statbarKind = StatBar_Default;
 330     SetStatusText(_T("Welcome to wxWidgets!"));
 331
 332     m_statbarDefault = GetStatusBar();
 333 }
 334
 335 MyFrame::~MyFrame()
 336 {
 337     SetStatusBar(NULL);
 338
 339     delete m_statbarDefault;
 340     delete m_statbarCustom;
 341 }
 342
 343 void MyFrame::DoCreateStatusBar(MyFrame::StatBarKind kind)
 344 {
 345     wxStatusBar *statbarOld = GetStatusBar();
 346     if ( statbarOld )
 347     {
 348         statbarOld->Hide();
 349     }
 350
 351     switch ( kind )
 352     {
 353         case StatBar_Default:
 354             SetStatusBar(m_statbarDefault);
 355             break;
 356
 357         case StatBar_Custom:
 358             if ( !m_statbarCustom )
 359             {
 360                 m_statbarCustom = new MyStatusBar(this);
 361             }
 362             SetStatusBar(m_statbarCustom);
 363             break;
 364
 365         default:
 366             wxFAIL_MSG(wxT("unknown stat bar kind"));
 367     }
 368
 369     ApplyStyle();
 370     GetStatusBar()->Show();
 371     PositionStatusBar();
 372
 373     m_statbarKind = kind;
 374 }
 375
 376 void MyFrame::OnUpdateSetStatusFields(wxUpdateUIEvent& event)
 377 {
 378     // only allow the settings of the number of status fields for the default
 379     // status bar
 380     wxStatusBar *sb = GetStatusBar();
 381     event.Enable(sb == m_statbarDefault);
 382 }
 383
 384 // event handlers
 385 void MyFrame::OnSetStatusFields(wxCommandEvent& WXUNUSED(event))
 386 {
 387     wxStatusBar *sb = GetStatusBar();
 388
 389     long nFields = wxGetNumberFromUser
 390                    (
 391                     _T("Select the number of fields in the status bar"),
 392                     _T("Fields:"),
 393                     _T("wxWidgets statusbar sample"),
 394                     sb->GetFieldsCount(),
 395                     1, 5,
 396                     this
 397                    );
 398
 399     // we don't check if the number changed at all on purpose: calling
 400     // SetFieldsCount() with the same number of fields should be ok
 401     if ( nFields != -1 )
 402     {
 403         static const int widthsFor2Fields[] = { 200, -1 };
 404         static const int widthsFor3Fields[] = { -1, -2, -1 };
 405         static const int widthsFor4Fields[] = { 100, -1, 100, -2, 100 };
 406
 407         static const int *widthsAll[] =
 408         {
 409             NULL,               // 1 field: default
 410             widthsFor2Fields,   // 2 fields: 1 fixed, 1 var
 411             widthsFor3Fields,   // 3 fields: 3 var
 412             widthsFor4Fields,   // 4 fields: 3 fixed, 2 vars
 413             NULL                // 5 fields: default (all have same width)
 414         };
 415
 416         const int * const widths = widthsAll[nFields - 1];
 417         sb->SetFieldsCount(nFields, widths);
 418
 419         wxString s;
 420         for ( long n = 0; n < nFields; n++ )
 421         {
 422             if ( widths )
 423             {
 424                 if ( widths[n] > 0 )
 425                     s.Printf(_T("fixed (%d)"), widths[n]);
 426                 else
 427                     s.Printf(_T("variable (*%d)"), -widths[n]);
 428             }
 429             else
 430             {
 431                 s = _T("default");
 432             }
 433
 434             SetStatusText(s, n);
 435         }
 436     }
 437     else
 438     {
 439         wxLogStatus(this, wxT("Cancelled"));
 440     }
 441 }
 442
 443 void MyFrame::OnUpdateStatusBarToggle(wxUpdateUIEvent& event)
 444 {
 445     event.Check(GetStatusBar() != 0);
 446 }
 447
 448 void MyFrame::OnStatusBarToggle(wxCommandEvent& WXUNUSED(event))
 449 {
 450     wxStatusBar *statbarOld = GetStatusBar();
 451     if ( statbarOld )
 452     {
 453         statbarOld->Hide();
 454         SetStatusBar(0);
 455     }
 456     else
 457     {
 458         DoCreateStatusBar(m_statbarKind);
 459     }
 460 #ifdef __WXMSW__
 461     // The following is a kludge suggested by Vadim Zeitlin (one of the wxWidgets
 462     // authors) while we look for a proper fix..
 463 //    SendSizeEvent();
 464 #endif
 465 }
 466
 467 void MyFrame::OnRecreateStatusBar(wxCommandEvent& WXUNUSED(event))
 468 {
 469     DoCreateStatusBar(m_statbarKind == StatBar_Custom ? StatBar_Default
 470                                                       : StatBar_Custom);
 471 }
 472
 473 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 474 {
 475     // true is to force the frame to close
 476     Close(true);
 477 }
 478
 479 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 480 {
 481     MyAboutDialog dlg(this);
 482     dlg.ShowModal();
 483 }
 484
 485 void MyFrame::OnUpdateSetStyleNormal(wxUpdateUIEvent &event)
 486 {
 487     event.Check(m_statbarStyle == wxSB_NORMAL);
 488 }
 489
 490 void MyFrame::OnUpdateSetStyleFlat(wxUpdateUIEvent &event)
 491 {
 492     event.Check(m_statbarStyle == wxSB_FLAT);
 493 }
 494
 495 void MyFrame::OnUpdateSetStyleRaised(wxUpdateUIEvent &event)
 496 {
 497     event.Check(m_statbarStyle == wxSB_RAISED);
 498 }
 499
 500 void MyFrame::OnSetStyleNormal(wxCommandEvent &event)
 501 {
 502     m_statbarStyle = wxSB_NORMAL;
 503     ApplyStyle();
 504 }
 505
 506 void MyFrame::OnSetStyleFlat(wxCommandEvent &event)
 507 {
 508     m_statbarStyle = wxSB_FLAT;
 509     ApplyStyle();
 510 }
 511
 512 void MyFrame::OnSetStyleRaised(wxCommandEvent &event)
 513 {
 514     m_statbarStyle = wxSB_RAISED;
 515     ApplyStyle();
 516 }
 517
 518 void MyFrame::ApplyStyle()
 519 {
 520     wxStatusBar *sb = GetStatusBar();
 521     int fields = sb->GetFieldsCount();
 522     int *styles = new int[fields];
 523
 524     for (int i = 1; i < fields; i++)
 525         styles[i] = wxSB_NORMAL;
 526
 527     styles[0] = m_statbarStyle;
 528
 529     sb->SetStatusStyles(fields, styles);
 530
 531     delete [] styles;
 532 }
 533
 534 // ----------------------------------------------------------------------------
 535 // MyAboutDialog
 536 // ----------------------------------------------------------------------------
 537
 538 MyAboutDialog::MyAboutDialog(wxWindow *parent)
 539              : wxDialog(parent, wxID_ANY, wxString(_T("About statbar")),
 540                         wxDefaultPosition, wxDefaultSize,
 541                         wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
 542 {
 543     wxStaticText *text = new wxStaticText(this, wxID_ANY,
 544                                           _T("wxStatusBar sample\n")
 545                                           _T("(c) 2000 Vadim Zeitlin"));
 546
 547     wxButton *btn = new wxButton(this, wxID_OK, _T("&Close"));
 548
 549     // create the top status bar without the size grip (default style),
 550     // otherwise it looks weird
 551     wxStatusBar *statbarTop = new wxStatusBar(this, wxID_ANY, 0);
 552     statbarTop->SetFieldsCount(3);
 553     statbarTop->SetStatusText(_T("This is a top status bar"), 0);
 554     statbarTop->SetStatusText(_T("in a dialog"), 1);
 555     statbarTop->SetStatusText(_T("Great, isn't it?"), 2);
 556
 557     wxStatusBar *statbarBottom = new wxStatusBar(this, wxID_ANY);
 558     statbarBottom->SetFieldsCount(2);
 559     statbarBottom->SetStatusText(_T("This is a bottom status bar"), 0);
 560     statbarBottom->SetStatusText(_T("in a dialog"), 1);
 561
 562     wxBoxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
 563     sizerTop->Add(statbarTop, 0, wxGROW);
 564     sizerTop->Add(-1, 10, 1, wxGROW);
 565     sizerTop->Add(text, 0, wxCENTRE | wxRIGHT | wxLEFT, 20);
 566     sizerTop->Add(-1, 10, 1, wxGROW);
 567     sizerTop->Add(btn, 0, wxCENTRE | wxRIGHT | wxLEFT, 20);
 568     sizerTop->Add(-1, 10, 1, wxGROW);
 569     sizerTop->Add(statbarBottom, 0, wxGROW);
 570
 571     SetSizer(sizerTop);
 572
 573     sizerTop->Fit(this);
 574     sizerTop->SetSizeHints(this);
 575 }
 576
 577 // ----------------------------------------------------------------------------
 578 // MyStatusBar
 579 // ----------------------------------------------------------------------------
 580
 581 #ifdef __VISUALC__
 582     // 'this' : used in base member initializer list -- so what??
 583     #pragma warning(disable: 4355)
 584 #endif
 585
 586 MyStatusBar::MyStatusBar(wxWindow *parent)
 587            : wxStatusBar(parent, wxID_ANY), m_timer(this), m_checkbox(NULL)
 588 {
 589     static const int widths[Field_Max] = { -1, 150, BITMAP_SIZE_X, 100 };
 590
 591     SetFieldsCount(Field_Max);
 592     SetStatusWidths(Field_Max, widths);
 593
 594     m_checkbox = new wxCheckBox(this, StatusBar_Checkbox, _T("&Toggle clock"));
 595     m_checkbox->SetValue(true);
 596
 597 #ifdef USE_STATIC_BITMAP
 598     m_statbmp = new wxStaticBitmap(this, wxID_ANY, wxIcon(green_xpm));
 599 #else
 600     m_statbmp = new wxBitmapButton(this, wxID_ANY, CreateBitmapForButton(),
 601                                    wxDefaultPosition, wxDefaultSize,
 602                                    wxBU_EXACTFIT);
 603 #endif
 604
 605     m_timer.Start(1000);
 606
 607     SetMinHeight(BITMAP_SIZE_Y);
 608
 609     UpdateClock();
 610 }
 611
 612 #ifdef __VISUALC__
 613     #pragma warning(default: 4355)
 614 #endif
 615
 616 MyStatusBar::~MyStatusBar()
 617 {
 618     if ( m_timer.IsRunning() )
 619     {
 620         m_timer.Stop();
 621     }
 622 }
 623
 624 wxBitmap MyStatusBar::CreateBitmapForButton(bool on)
 625 {
 626     static const int BMP_BUTTON_SIZE_X = 10;
 627     static const int BMP_BUTTON_SIZE_Y = 9;
 628
 629     wxBitmap bitmap(BMP_BUTTON_SIZE_X, BMP_BUTTON_SIZE_Y);
 630     wxMemoryDC dc;
 631     dc.SelectObject(bitmap);
 632     dc.SetBrush(on ? *wxGREEN_BRUSH : *wxRED_BRUSH);
 633     dc.SetBackground(*wxLIGHT_GREY_BRUSH);
 634     dc.Clear();
 635     dc.DrawEllipse(0, 0, BMP_BUTTON_SIZE_X, BMP_BUTTON_SIZE_Y);
 636     dc.SelectObject(wxNullBitmap);
 637
 638     return bitmap;
 639 }
 640
 641 void MyStatusBar::OnSize(wxSizeEvent& event)
 642 {
 643     if ( !m_checkbox )
 644         return;
 645
 646     wxRect rect;
 647     GetFieldRect(Field_Checkbox, rect);
 648
 649     m_checkbox->SetSize(rect.x + 2, rect.y + 2, rect.width - 4, rect.height - 4);
 650
 651     GetFieldRect(Field_Bitmap, rect);
 652     wxSize size = m_statbmp->GetSize();
 653
 654     m_statbmp->Move(rect.x + (rect.width - size.x) / 2,
 655                     rect.y + (rect.height - size.y) / 2);
 656
 657     event.Skip();
 658 }
 659
 660 void MyStatusBar::OnButton(wxCommandEvent& WXUNUSED(event))
 661 {
 662     m_checkbox->SetValue(!m_checkbox->GetValue());
 663
 664     DoToggle();
 665 }
 666
 667 void MyStatusBar::OnToggleClock(wxCommandEvent& WXUNUSED(event))
 668 {
 669     DoToggle();
 670 }
 671
 672 void MyStatusBar::DoToggle()
 673 {
 674     if ( m_checkbox->GetValue() )
 675     {
 676         m_timer.Start(1000);
 677
 678 #ifdef USE_STATIC_BITMAP
 679         m_statbmp->SetIcon(wxIcon(green_xpm));
 680 #else
 681         m_statbmp->SetBitmapLabel(CreateBitmapForButton(false));
 682         m_statbmp->Refresh();
 683 #endif
 684
 685         UpdateClock();
 686     }
 687     else // don't show clock
 688     {
 689         m_timer.Stop();
 690
 691 #ifdef USE_STATIC_BITMAP
 692         m_statbmp->SetIcon(wxIcon(red_xpm));
 693 #else
 694         m_statbmp->SetBitmapLabel(CreateBitmapForButton(true));
 695         m_statbmp->Refresh();
 696 #endif
 697
 698         SetStatusText(wxEmptyString, Field_Clock);
 699     }
 700 }
 701
 702 void MyStatusBar::UpdateClock()
 703 {
 704     SetStatusText(wxDateTime::Now().FormatTime(), Field_Clock);
 705 }