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 #ifndef __WXMSW__
  53     #include "../sample.xpm"
  54 #endif
  55
  56
  57 // define this for the platforms which don't support wxBitmapButton (such as
  58 // Motif), else a wxBitmapButton will be used
  59 #ifdef __WXMOTIF__
  60     #define USE_STATIC_BITMAP
  61 #endif
  62
  63 //#define USE_MDI_PARENT_FRAME 1
  64
  65 #ifdef USE_MDI_PARENT_FRAME
  66     #include "wx/mdi.h"
  67 #endif // USE_MDI_PARENT_FRAME
  68
  69
  70 // ----------------------------------------------------------------------------
  71 // resources
  72 // ----------------------------------------------------------------------------
  73
  74 #ifdef USE_STATIC_BITMAP
  75     #include "green.xpm"
  76     #include "red.xpm"
  77 #endif // USE_STATIC_BITMAP
  78
  79 // ----------------------------------------------------------------------------
  80 // private classes
  81 // ----------------------------------------------------------------------------
  82
  83 // Define a new application type, each program should derive a class from wxApp
  84 class MyApp : public wxApp
  85 {
  86 public:
  87     // override base class virtuals
  88     // ----------------------------
  89
  90     // this one is called on application startup and is a good place for the app
  91     // initialization (doing it here and not in the ctor allows to have an error
  92     // return: if OnInit() returns false, the application terminates)
  93     virtual bool OnInit();
  94 };
  95
  96 // A custom status bar which contains controls, icons &c
  97 class MyStatusBar : public wxStatusBar
  98 {
  99 public:
 100     MyStatusBar(wxWindow *parent);
 101     virtual ~MyStatusBar();
 102
 103     void UpdateClock();
 104
 105     // event handlers
 106 #if wxUSE_TIMER
 107     void OnTimer(wxTimerEvent& WXUNUSED(event)) { UpdateClock(); }
 108 #endif
 109     void OnSize(wxSizeEvent& event);
 110     void OnToggleClock(wxCommandEvent& event);
 111     void OnButton(wxCommandEvent& event);
 112
 113 private:
 114     // toggle the state of the status bar controls
 115     void DoToggle();
 116
 117     wxBitmap CreateBitmapForButton(bool on = false);
 118
 119     enum
 120     {
 121         Field_Text,
 122         Field_Checkbox,
 123         Field_Bitmap,
 124         Field_Clock,
 125         Field_Max
 126     };
 127
 128 #if wxUSE_TIMER
 129     wxTimer m_timer;
 130 #endif
 131
 132 #if wxUSE_CHECKBOX
 133     wxCheckBox *m_checkbox;
 134 #endif
 135 #ifdef USE_STATIC_BITMAP
 136     wxStaticBitmap *m_statbmp;
 137 #else
 138     wxBitmapButton *m_statbmp;
 139 #endif
 140
 141     DECLARE_EVENT_TABLE()
 142 };
 143
 144 // Define a new frame type: this is going to be our main frame
 145 class MyFrame : public wxFrame
 146 {
 147 public:
 148     // ctor(s)
 149     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
 150 #ifdef USE_MDI_PARENT_FRAME
 151 class MyFrame : public wxMDIParentFrame
 152 #else
 153     virtual ~MyFrame();
 154 #endif
 155
 156     // event handlers (these functions should _not_ be virtual)
 157     void OnQuit(wxCommandEvent& event);
 158     void OnAbout(wxCommandEvent& event);
 159
 160     void OnResetFieldsWidth(wxCommandEvent& event);
 161     void OnSetStatusFields(wxCommandEvent& event);
 162     void OnSetStatusTexts(wxCommandEvent& event);
 163     void OnRecreateStatusBar(wxCommandEvent& event);
 164     void OnSetStyleNormal(wxCommandEvent& event);
 165     void OnSetStyleFlat(wxCommandEvent& event);
 166     void OnSetStyleRaised(wxCommandEvent& event);
 167
 168 private:
 169     enum StatBarKind
 170     {
 171         StatBar_Default,
 172         StatBar_Custom,
 173         StatBar_Max
 174     } m_statbarKind;
 175
 176
 177     void OnUpdateForDefaultStatusbar(wxUpdateUIEvent& event);
 178     void OnUpdateStatusBarToggle(wxUpdateUIEvent& event);
 179     void OnUpdateSetStyleNormal(wxUpdateUIEvent& event);
 180     void OnUpdateSetStyleFlat(wxUpdateUIEvent& event);
 181     void OnUpdateSetStyleRaised(wxUpdateUIEvent& event);
 182     void OnStatusBarToggle(wxCommandEvent& event);
 183     void DoCreateStatusBar(StatBarKind kind);
 184     void ApplyStyle();
 185
 186     wxStatusBar *m_statbarDefault;
 187     MyStatusBar *m_statbarCustom;
 188
 189     int m_statbarStyle;
 190
 191     // any class wishing to process wxWidgets events must use this macro
 192     DECLARE_EVENT_TABLE()
 193 };
 194
 195 // Our about dialog ith its status bar
 196 class MyAboutDialog : public wxDialog
 197 {
 198 public:
 199     MyAboutDialog(wxWindow *parent);
 200 };
 201
 202 // ----------------------------------------------------------------------------
 203 // constants
 204 // ----------------------------------------------------------------------------
 205
 206 // IDs for the controls and the menu commands
 207 enum
 208 {
 209     // menu items
 210     StatusBar_Quit = 1,
 211
 212     StatusBar_SetFields,
 213     StatusBar_SetTexts,
 214     StatusBar_ResetFieldsWidth,
 215
 216     StatusBar_Recreate,
 217     StatusBar_About,
 218     StatusBar_Toggle,
 219     StatusBar_Checkbox = 1000,
 220     StatusBar_SetStyle,
 221     StatusBar_SetStyleNormal,
 222     StatusBar_SetStyleFlat,
 223     StatusBar_SetStyleRaised
 224 };
 225
 226 static const int BITMAP_SIZE_X = 32;
 227 static const int BITMAP_SIZE_Y = 15;
 228
 229 // ----------------------------------------------------------------------------
 230 // event tables and other macros for wxWidgets
 231 // ----------------------------------------------------------------------------
 232
 233 // the event tables connect the wxWidgets events with the functions (event
 234 // handlers) which process them. It can be also done at run-time, but for the
 235 // simple menu events like this the static method is much simpler.
 236 #ifdef USE_MDI_PARENT_FRAME
 237 BEGIN_EVENT_TABLE(MyFrame, wxMDIParentFrame)
 238 #else
 239 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 240 #endif
 241     EVT_MENU(StatusBar_Quit,  MyFrame::OnQuit)
 242     EVT_MENU(StatusBar_SetFields, MyFrame::OnSetStatusFields)
 243     EVT_MENU(StatusBar_SetTexts, MyFrame::OnSetStatusTexts)
 244     EVT_MENU(StatusBar_ResetFieldsWidth, MyFrame::OnResetFieldsWidth)
 245     EVT_MENU(StatusBar_Recreate, MyFrame::OnRecreateStatusBar)
 246     EVT_MENU(StatusBar_About, MyFrame::OnAbout)
 247     EVT_MENU(StatusBar_Toggle, MyFrame::OnStatusBarToggle)
 248     EVT_MENU(StatusBar_SetStyleNormal, MyFrame::OnSetStyleNormal)
 249     EVT_MENU(StatusBar_SetStyleFlat, MyFrame::OnSetStyleFlat)
 250     EVT_MENU(StatusBar_SetStyleRaised, MyFrame::OnSetStyleRaised)
 251
 252     EVT_UPDATE_UI_RANGE(StatusBar_SetFields, StatusBar_ResetFieldsWidth,
 253                         MyFrame::OnUpdateForDefaultStatusbar)
 254     EVT_UPDATE_UI(StatusBar_Toggle, MyFrame::OnUpdateStatusBarToggle)
 255     EVT_UPDATE_UI(StatusBar_SetStyleNormal, MyFrame::OnUpdateSetStyleNormal)
 256     EVT_UPDATE_UI(StatusBar_SetStyleFlat, MyFrame::OnUpdateSetStyleFlat)
 257     EVT_UPDATE_UI(StatusBar_SetStyleRaised, MyFrame::OnUpdateSetStyleRaised)
 258 END_EVENT_TABLE()
 259
 260 BEGIN_EVENT_TABLE(MyStatusBar, wxStatusBar)
 261     EVT_SIZE(MyStatusBar::OnSize)
 262 #if wxUSE_CHECKBOX
 263     EVT_CHECKBOX(StatusBar_Checkbox, MyStatusBar::OnToggleClock)
 264 #endif
 265     EVT_BUTTON(wxID_ANY, MyStatusBar::OnButton)
 266 #if wxUSE_TIMER
 267     EVT_TIMER(wxID_ANY, MyStatusBar::OnTimer)
 268 #endif
 269 END_EVENT_TABLE()
 270
 271 // Create a new application object: this macro will allow wxWidgets to create
 272 // the application object during program execution (it's better than using a
 273 // static object for many reasons) and also declares the accessor function
 274 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 275 // not wxApp)
 276 IMPLEMENT_APP(MyApp)
 277
 278 // ============================================================================
 279 // implementation
 280 // ============================================================================
 281
 282 // ----------------------------------------------------------------------------
 283 // the application class
 284 // ----------------------------------------------------------------------------
 285
 286 // `Main program' equivalent: the program execution "starts" here
 287 bool MyApp::OnInit()
 288 {
 289     if ( !wxApp::OnInit() )
 290         return false;
 291
 292     // create the main application window
 293     MyFrame *frame = new MyFrame(_T("wxStatusBar sample"),
 294                                 wxPoint(50, 50), wxSize(450, 340));
 295
 296     // and show it (the frames, unlike simple controls, are not shown when
 297     // created initially)
 298     frame->Show(true);
 299
 300     // success: wxApp::OnRun() will be called which will enter the main message
 301     // loop and the application will run. If we returned 'false' here, the
 302     // application would exit immediately.
 303     return true;
 304 }
 305
 306 // ----------------------------------------------------------------------------
 307 // main frame
 308 // ----------------------------------------------------------------------------
 309
 310 // frame constructor
 311 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 312 #ifdef USE_MDI_PARENT_FRAME
 313     : wxMDIParentFrame((wxWindow *)NULL, wxID_ANY, title, pos, size)
 314 #else
 315     : wxFrame((wxWindow *)NULL, wxID_ANY, title, pos, size)
 316 #endif
 317 {
 318     SetIcon(wxICON(sample));
 319
 320     m_statbarDefault = NULL;
 321     m_statbarCustom = NULL;
 322
 323     m_statbarStyle = wxSB_NORMAL;
 324
 325 #ifdef __WXMAC__
 326     // we need this in order to allow the about menu relocation, since ABOUT is
 327     // not the default id of the about menu
 328     wxApp::s_macAboutMenuItemId = StatusBar_About;
 329 #endif
 330
 331     // create a menu bar
 332     wxMenu *menuFile = new wxMenu;
 333     menuFile->Append(StatusBar_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
 334
 335     wxMenu *statbarMenu = new wxMenu;
 336     statbarMenu->Append(StatusBar_SetFields, _T("&Set field count\tCtrl-C"),
 337                         _T("Set the number of status bar fields"));
 338     statbarMenu->Append(StatusBar_SetTexts, _T("&Set field text\tCtrl-T"),
 339                         _T("Set the text to display for each status bar field"));
 340
 341     wxMenu *statbarStyleMenu = new wxMenu;
 342     statbarStyleMenu->Append(StatusBar_SetStyleNormal, _T("&Normal"), _T("Sets the style of the first field to normal (sunken) look"), true);
 343     statbarStyleMenu->Append(StatusBar_SetStyleFlat, _T("&Flat"), _T("Sets the style of the first field to flat look"), true);
 344     statbarStyleMenu->Append(StatusBar_SetStyleRaised, _T("&Raised"), _T("Sets the style of the first field to raised look"), true);
 345
 346     statbarMenu->Append(StatusBar_SetStyle, _T("Field style"), statbarStyleMenu);
 347
 348     statbarMenu->Append(StatusBar_ResetFieldsWidth, _T("Reset field widths"),
 349                         _T("Sets all fields to the same width"));
 350     statbarMenu->AppendSeparator();
 351
 352     statbarMenu->Append(StatusBar_Toggle, _T("&Toggle Status Bar"),
 353                         _T("Toggle the status bar display"), true);
 354     statbarMenu->Append(StatusBar_Recreate, _T("&Recreate\tCtrl-R"),
 355                         _T("Toggle status bar format"));
 356
 357     wxMenu *helpMenu = new wxMenu;
 358     helpMenu->Append(StatusBar_About, _T("&About...\tCtrl-A"), _T("Show about dialog"));
 359
 360     // now append the freshly created menu to the menu bar...
 361     wxMenuBar *menuBar = new wxMenuBar();
 362     menuBar->Append(menuFile, _T("&File"));
 363     menuBar->Append(statbarMenu, _T("&Status bar"));
 364     menuBar->Append(helpMenu, _T("&Help"));
 365
 366     // ... and attach this menu bar to the frame
 367     SetMenuBar(menuBar);
 368
 369     // create default status bar to start with
 370     CreateStatusBar(2);
 371     m_statbarKind = StatBar_Default;
 372     SetStatusText(_T("Welcome to wxWidgets!"));
 373
 374     m_statbarDefault = GetStatusBar();
 375 }
 376
 377 MyFrame::~MyFrame()
 378 {
 379     SetStatusBar(NULL);
 380
 381     delete m_statbarDefault;
 382     delete m_statbarCustom;
 383 }
 384
 385 void MyFrame::DoCreateStatusBar(MyFrame::StatBarKind kind)
 386 {
 387     wxStatusBar *statbarOld = GetStatusBar();
 388     if ( statbarOld )
 389     {
 390         statbarOld->Hide();
 391     }
 392
 393     switch ( kind )
 394     {
 395         case StatBar_Default:
 396             SetStatusBar(m_statbarDefault);
 397             break;
 398
 399         case StatBar_Custom:
 400             if ( !m_statbarCustom )
 401             {
 402                 m_statbarCustom = new MyStatusBar(this);
 403             }
 404             SetStatusBar(m_statbarCustom);
 405             break;
 406
 407         default:
 408             wxFAIL_MSG(wxT("unknown stat bar kind"));
 409     }
 410
 411     ApplyStyle();
 412     GetStatusBar()->Show();
 413     PositionStatusBar();
 414
 415     m_statbarKind = kind;
 416 }
 417
 418
 419 // ----------------------------------------------------------------------------
 420 // main frame - event handlers
 421 // ----------------------------------------------------------------------------
 422
 423 void MyFrame::OnUpdateForDefaultStatusbar(wxUpdateUIEvent& event)
 424 {
 425     // only allow this feature for the default status bar
 426     wxStatusBar *sb = GetStatusBar();
 427     event.Enable(sb == m_statbarDefault);
 428 }
 429
 430 void MyFrame::OnSetStatusTexts(wxCommandEvent& WXUNUSED(event))
 431 {
 432     wxStatusBar *sb = GetStatusBar();
 433
 434     wxString txt;
 435     for (int i=0; i<sb->GetFieldsCount(); i++)
 436     {
 437         txt =
 438             wxGetTextFromUser(wxString::Format("Enter the text for the %d-th field:", i+1),
 439                               "Input field text", "A dummy test string", this);
 440
 441         sb->SetStatusText(txt, i);
 442     }
 443 }
 444
 445 void MyFrame::OnSetStatusFields(wxCommandEvent& WXUNUSED(event))
 446 {
 447     wxStatusBar *sb = GetStatusBar();
 448
 449     long nFields = wxGetNumberFromUser
 450                 (
 451                     _T("Select the number of fields in the status bar"),
 452                     _T("Fields:"),
 453                     _T("wxWidgets statusbar sample"),
 454                     sb->GetFieldsCount(),
 455                     1, 5,
 456                     this
 457                 );
 458
 459     // we don't check if the number changed at all on purpose: calling
 460     // SetFieldsCount() with the same number of fields should be ok
 461     if ( nFields != -1 )
 462     {
 463         static const int widthsFor2Fields[] = { 200, -1 };
 464         static const int widthsFor3Fields[] = { -1, -2, -1 };
 465         static const int widthsFor4Fields[] = { 100, -1, 100, -2, 100 };
 466
 467         static const int *widthsAll[] =
 468         {
 469             NULL,               // 1 field: default
 470             widthsFor2Fields,   // 2 fields: 1 fixed, 1 var
 471             widthsFor3Fields,   // 3 fields: 3 var
 472             widthsFor4Fields,   // 4 fields: 3 fixed, 2 vars
 473             NULL                // 5 fields: default (all have same width)
 474         };
 475
 476         const int * const widths = widthsAll[nFields - 1];
 477         sb->SetFieldsCount(nFields, widths);
 478
 479         wxString s;
 480         for ( long n = 0; n < nFields; n++ )
 481         {
 482             if ( widths )
 483             {
 484                 if ( widths[n] > 0 )
 485                     s.Printf(_T("fixed (%d)"), widths[n]);
 486                 else
 487                     s.Printf(_T("variable (*%d)"), -widths[n]);
 488             }
 489             else
 490             {
 491                 s = _T("default");
 492             }
 493
 494             SetStatusText(s, n);
 495         }
 496     }
 497     else
 498     {
 499         wxLogStatus(this, wxT("Cancelled"));
 500     }
 501 }
 502
 503 void MyFrame::OnResetFieldsWidth(wxCommandEvent& WXUNUSED(event))
 504 {
 505     wxStatusBar *pStat = GetStatusBar();
 506     if (pStat)
 507     {
 508         int n = pStat->GetFieldsCount();
 509         pStat->SetStatusWidths(n, NULL);
 510         for (int i=0; i<n; i++)
 511             pStat->SetStatusText("same size", i);
 512     }
 513 }
 514
 515 void MyFrame::OnUpdateStatusBarToggle(wxUpdateUIEvent& event)
 516 {
 517     event.Check(GetStatusBar() != NULL);
 518 }
 519
 520 void MyFrame::OnStatusBarToggle(wxCommandEvent& WXUNUSED(event))
 521 {
 522     wxStatusBar *statbarOld = GetStatusBar();
 523     if ( statbarOld )
 524     {
 525         statbarOld->Hide();
 526         SetStatusBar(NULL);
 527     }
 528     else
 529     {
 530         DoCreateStatusBar(m_statbarKind);
 531     }
 532 }
 533
 534 void MyFrame::OnRecreateStatusBar(wxCommandEvent& WXUNUSED(event))
 535 {
 536     DoCreateStatusBar(m_statbarKind == StatBar_Custom ? StatBar_Default
 537                                                     : StatBar_Custom);
 538 }
 539
 540 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 541 {
 542     // true is to force the frame to close
 543     Close(true);
 544 }
 545
 546 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 547 {
 548     MyAboutDialog dlg(this);
 549     dlg.ShowModal();
 550 }
 551
 552 void MyFrame::OnUpdateSetStyleNormal(wxUpdateUIEvent &event)
 553 {
 554     event.Check(m_statbarStyle == wxSB_NORMAL);
 555 }
 556
 557 void MyFrame::OnUpdateSetStyleFlat(wxUpdateUIEvent &event)
 558 {
 559     event.Check(m_statbarStyle == wxSB_FLAT);
 560 }
 561
 562 void MyFrame::OnUpdateSetStyleRaised(wxUpdateUIEvent &event)
 563 {
 564     event.Check(m_statbarStyle == wxSB_RAISED);
 565 }
 566
 567 void MyFrame::OnSetStyleNormal(wxCommandEvent & WXUNUSED(event))
 568 {
 569     m_statbarStyle = wxSB_NORMAL;
 570     ApplyStyle();
 571 }
 572
 573 void MyFrame::OnSetStyleFlat(wxCommandEvent & WXUNUSED(event))
 574 {
 575     m_statbarStyle = wxSB_FLAT;
 576     ApplyStyle();
 577 }
 578
 579 void MyFrame::OnSetStyleRaised(wxCommandEvent & WXUNUSED(event))
 580 {
 581     m_statbarStyle = wxSB_RAISED;
 582     ApplyStyle();
 583 }
 584
 585 void MyFrame::ApplyStyle()
 586 {
 587     wxStatusBar *sb = GetStatusBar();
 588     int fields = sb->GetFieldsCount();
 589     int *styles = new int[fields];
 590
 591     for (int i = 1; i < fields; i++)
 592         styles[i] = wxSB_NORMAL;
 593
 594     styles[0] = m_statbarStyle;
 595
 596     sb->SetStatusStyles(fields, styles);
 597
 598     delete [] styles;
 599 }
 600
 601 // ----------------------------------------------------------------------------
 602 // MyAboutDialog
 603 // ----------------------------------------------------------------------------
 604
 605 MyAboutDialog::MyAboutDialog(wxWindow *parent)
 606             : wxDialog(parent, wxID_ANY, wxString(_T("About statbar")),
 607                         wxDefaultPosition, wxDefaultSize,
 608                         wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
 609 {
 610     wxStaticText *text = new wxStaticText(this, wxID_ANY,
 611                                         _T("wxStatusBar sample\n")
 612                                         _T("(c) 2000 Vadim Zeitlin"));
 613
 614     wxButton *btn = new wxButton(this, wxID_OK, _T("&Close"));
 615
 616     // create the top status bar without the size grip (default style),
 617     // otherwise it looks weird
 618     wxStatusBar *statbarTop = new wxStatusBar(this, wxID_ANY, 0);
 619     statbarTop->SetFieldsCount(3);
 620     statbarTop->SetStatusText(_T("This is a top status bar"), 0);
 621     statbarTop->SetStatusText(_T("in a dialog"), 1);
 622     statbarTop->SetStatusText(_T("Great, isn't it?"), 2);
 623
 624     wxStatusBar *statbarBottom = new wxStatusBar(this, wxID_ANY);
 625     statbarBottom->SetFieldsCount(2);
 626     statbarBottom->SetStatusText(_T("This is a bottom status bar"), 0);
 627     statbarBottom->SetStatusText(_T("in a dialog"), 1);
 628
 629     wxBoxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
 630     sizerTop->Add(statbarTop, 0, wxGROW);
 631     sizerTop->Add(-1, 10, 1, wxGROW);
 632     sizerTop->Add(text, 0, wxCENTRE | wxRIGHT | wxLEFT, 20);
 633     sizerTop->Add(-1, 10, 1, wxGROW);
 634     sizerTop->Add(btn, 0, wxCENTRE | wxRIGHT | wxLEFT, 20);
 635     sizerTop->Add(-1, 10, 1, wxGROW);
 636     sizerTop->Add(statbarBottom, 0, wxGROW);
 637
 638     SetSizerAndFit(sizerTop);
 639 }
 640
 641 // ----------------------------------------------------------------------------
 642 // MyStatusBar
 643 // ----------------------------------------------------------------------------
 644
 645 #ifdef __VISUALC__
 646     // 'this' : used in base member initializer list -- so what??
 647     #pragma warning(disable: 4355)
 648 #endif
 649
 650 MyStatusBar::MyStatusBar(wxWindow *parent)
 651         : wxStatusBar(parent, wxID_ANY)
 652 #if wxUSE_TIMER
 653             , m_timer(this)
 654 #endif
 655 #if wxUSE_CHECKBOX
 656             , m_checkbox(NULL)
 657 #endif
 658 {
 659     static const int widths[Field_Max] = { -1, 150, BITMAP_SIZE_X, 100 };
 660
 661     SetFieldsCount(Field_Max);
 662     SetStatusWidths(Field_Max, widths);
 663
 664 #if wxUSE_CHECKBOX
 665     m_checkbox = new wxCheckBox(this, StatusBar_Checkbox, _T("&Toggle clock"));
 666     m_checkbox->SetValue(true);
 667 #endif
 668
 669 #ifdef USE_STATIC_BITMAP
 670     m_statbmp = new wxStaticBitmap(this, wxID_ANY, wxIcon(green_xpm));
 671 #else
 672     m_statbmp = new wxBitmapButton(this, wxID_ANY, CreateBitmapForButton(),
 673                                 wxDefaultPosition, wxDefaultSize,
 674                                 wxBU_EXACTFIT);
 675 #endif
 676
 677 #if wxUSE_TIMER
 678     m_timer.Start(1000);
 679 #endif
 680
 681     SetMinHeight(wxMax(m_statbmp->GetBestSize().GetHeight(),
 682                        m_checkbox->GetBestSize().GetHeight()));
 683
 684     UpdateClock();
 685 }
 686
 687 #ifdef __VISUALC__
 688     #pragma warning(default: 4355)
 689 #endif
 690
 691 MyStatusBar::~MyStatusBar()
 692 {
 693 #if wxUSE_TIMER
 694     if ( m_timer.IsRunning() )
 695     {
 696         m_timer.Stop();
 697     }
 698 #endif
 699 }
 700
 701 #define BMP_BUTTON_SIZE_X  10
 702 #define BMP_BUTTON_SIZE_Y  10
 703
 704 wxBitmap MyStatusBar::CreateBitmapForButton(bool on)
 705 {
 706     wxBitmap bitmap(BMP_BUTTON_SIZE_X+1, BMP_BUTTON_SIZE_Y+1);
 707     wxMemoryDC dc;
 708     dc.SelectObject(bitmap);
 709     dc.SetBrush(on ? *wxGREEN_BRUSH : *wxRED_BRUSH);
 710     dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
 711     dc.Clear();
 712     dc.DrawEllipse(0, 0, BMP_BUTTON_SIZE_X, BMP_BUTTON_SIZE_Y);
 713     dc.SelectObject(wxNullBitmap);
 714
 715     return bitmap;
 716 }
 717
 718 void MyStatusBar::OnSize(wxSizeEvent& event)
 719 {
 720 #if wxUSE_CHECKBOX
 721     if ( !m_checkbox )
 722         return;
 723 #endif
 724
 725     wxRect rect;
 726     if (!GetFieldRect(Field_Checkbox, rect))
 727     {
 728         event.Skip();
 729         return;
 730     }
 731
 732 #if wxUSE_CHECKBOX
 733     m_checkbox->SetSize(rect.x + 2, rect.y + 2, rect.width - 4, rect.height - 4);
 734 #endif
 735
 736     GetFieldRect(Field_Bitmap, rect);
 737     wxSize size = m_statbmp->GetSize();
 738
 739     m_statbmp->Move(rect.x + (rect.width - size.x) / 2,
 740                     rect.y + (rect.height - size.y) / 2);
 741
 742     event.Skip();
 743 }
 744
 745 void MyStatusBar::OnButton(wxCommandEvent& WXUNUSED(event))
 746 {
 747 #if wxUSE_CHECKBOX
 748     m_checkbox->SetValue(!m_checkbox->GetValue());
 749 #endif
 750
 751     DoToggle();
 752 }
 753
 754 void MyStatusBar::OnToggleClock(wxCommandEvent& WXUNUSED(event))
 755 {
 756     DoToggle();
 757 }
 758
 759 void MyStatusBar::DoToggle()
 760 {
 761 #if wxUSE_CHECKBOX
 762     if ( m_checkbox->GetValue() )
 763     {
 764 #if wxUSE_TIMER
 765         m_timer.Start(1000);
 766 #endif
 767
 768 #ifdef USE_STATIC_BITMAP
 769         m_statbmp->SetIcon(wxIcon(green_xpm));
 770 #else
 771         m_statbmp->SetBitmapLabel(CreateBitmapForButton(false));
 772         m_statbmp->Refresh();
 773 #endif
 774
 775         UpdateClock();
 776     }
 777     else // don't show clock
 778     {
 779 #if wxUSE_TIMER
 780         m_timer.Stop();
 781 #endif
 782
 783 #ifdef USE_STATIC_BITMAP
 784         m_statbmp->SetIcon(wxIcon(red_xpm));
 785 #else
 786         m_statbmp->SetBitmapLabel(CreateBitmapForButton(true));
 787         m_statbmp->Refresh();
 788 #endif
 789
 790         SetStatusText(wxEmptyString, Field_Clock);
 791     }
 792 #endif
 793 }
 794
 795 void MyStatusBar::UpdateClock()
 796 {
 797     SetStatusText(wxDateTime::Now().FormatTime(), Field_Clock);
 798 }