samples/widgets/widgets.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Program:     wxWidgets Widgets Sample
   3 // Name:        samples/widgets/widgets.cpp
   4 // Purpose:     Sample showing most of the simple wxWidgets widgets
   5 // Author:      Vadim Zeitlin
   6 // Created:     27.03.01
   7 // Id:          $Id$
   8 // Copyright:   (c) 2001 Vadim Zeitlin
   9 // License:     wxWindows license
  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 // for all others, include the necessary headers
  28 #ifndef WX_PRECOMP
  29     #include "wx/app.h"
  30     #include "wx/log.h"
  31     #include "wx/frame.h"
  32     #include "wx/menu.h"
  33     #include "wx/image.h"
  34
  35     #include "wx/button.h"
  36     #include "wx/checkbox.h"
  37     #include "wx/listbox.h"
  38     #include "wx/statbox.h"
  39     #include "wx/stattext.h"
  40     #include "wx/textctrl.h"
  41     #include "wx/msgdlg.h"
  42 #endif
  43
  44 #include "wx/sysopt.h"
  45 #include "wx/bookctrl.h"
  46 #include "wx/treebook.h"
  47 #include "wx/sizer.h"
  48 #include "wx/colordlg.h"
  49 #include "wx/fontdlg.h"
  50 #include "wx/textdlg.h"
  51 #include "wx/imaglist.h"
  52 #include "wx/wupdlock.h"
  53
  54 #include "widgets.h"
  55
  56 #include "../sample.xpm"
  57
  58 // ----------------------------------------------------------------------------
  59 // constants
  60 // ----------------------------------------------------------------------------
  61
  62 // control ids
  63 enum
  64 {
  65     Widgets_ClearLog = 100,
  66     Widgets_Quit,
  67
  68     Widgets_BookCtrl,
  69
  70 #if wxUSE_TOOLTIPS
  71     Widgets_SetTooltip,
  72 #endif // wxUSE_TOOLTIPS
  73     Widgets_SetFgColour,
  74     Widgets_SetBgColour,
  75     Widgets_SetFont,
  76     Widgets_Enable,
  77
  78     Widgets_BorderNone,
  79     Widgets_BorderStatic,
  80     Widgets_BorderSimple,
  81     Widgets_BorderRaised,
  82     Widgets_BorderSunken,
  83     Widgets_BorderDouble,
  84     Widgets_BorderDefault,
  85
  86     Widgets_GlobalBusyCursor,
  87     Widgets_BusyCursor,
  88
  89     Widgets_GoToPage,
  90     Widgets_GoToPageLast = Widgets_GoToPage + 100
  91 };
  92
  93 const wxChar *WidgetsCategories[MAX_PAGES] = {
  94 #if defined(__WXUNIVERSAL__)
  95     wxT("Universal"),
  96 #else
  97     wxT("Native"),
  98 #endif
  99     wxT("Generic"),
 100     wxT("Pickers"),
 101     wxT("Comboboxes"),
 102     wxT("With items"),
 103     wxT("Editable"),
 104     wxT("Books"),
 105     wxT("All controls")
 106 };
 107
 108 // ----------------------------------------------------------------------------
 109 // our classes
 110 // ----------------------------------------------------------------------------
 111
 112 // Define a new application type, each program should derive a class from wxApp
 113 class WidgetsApp : public wxApp
 114 {
 115 public:
 116     // override base class virtuals
 117     // ----------------------------
 118
 119     // this one is called on application startup and is a good place for the app
 120     // initialization (doing it here and not in the ctor allows to have an error
 121     // return: if OnInit() returns false, the application terminates)
 122     virtual bool OnInit();
 123 };
 124
 125 // Define a new frame type: this is going to be our main frame
 126 class WidgetsFrame : public wxFrame
 127 {
 128 public:
 129     // ctor(s) and dtor
 130     WidgetsFrame(const wxString& title);
 131     virtual ~WidgetsFrame();
 132
 133 protected:
 134     // event handlers
 135 #if USE_LOG
 136     void OnButtonClearLog(wxCommandEvent& event);
 137 #endif // USE_LOG
 138     void OnExit(wxCommandEvent& event);
 139
 140 #if wxUSE_MENUS
 141     void OnPageChanging(WidgetsBookCtrlEvent& event);
 142     void OnPageChanged(WidgetsBookCtrlEvent& event);
 143     void OnGoToPage(wxCommandEvent& event);
 144
 145 #if wxUSE_TOOLTIPS
 146     void OnSetTooltip(wxCommandEvent& event);
 147 #endif // wxUSE_TOOLTIPS
 148     void OnSetFgCol(wxCommandEvent& event);
 149     void OnSetBgCol(wxCommandEvent& event);
 150     void OnSetFont(wxCommandEvent& event);
 151     void OnEnable(wxCommandEvent& event);
 152     void OnSetBorder(wxCommandEvent& event);
 153
 154     void OnToggleGlobalBusyCursor(wxCommandEvent& event);
 155     void OnToggleBusyCursor(wxCommandEvent& event);
 156 #endif // wxUSE_MENUS
 157
 158     // initialize the book: add all pages to it
 159     void InitBook();
 160
 161     // return the currently selected page (never NULL)
 162     WidgetsPage *CurrentPage();
 163
 164 private:
 165     // the panel containing everything
 166     wxPanel *m_panel;
 167
 168 #if USE_LOG
 169     // the listbox for logging messages
 170     wxListBox *m_lboxLog;
 171
 172     // the log target we use to redirect messages to the listbox
 173     wxLog *m_logTarget;
 174 #endif // USE_LOG
 175
 176     // the book containing the test pages
 177     WidgetsBookCtrl *m_book;
 178
 179 #if wxUSE_MENUS
 180     // last chosen fg/bg colours and font
 181     wxColour m_colFg,
 182              m_colBg;
 183     wxFont   m_font;
 184 #endif // wxUSE_MENUS
 185
 186     // any class wishing to process wxWidgets events must use this macro
 187     DECLARE_EVENT_TABLE()
 188 };
 189
 190 #if USE_LOG
 191 // A log target which just redirects the messages to a listbox
 192 class LboxLogger : public wxLog
 193 {
 194 public:
 195     LboxLogger(wxListBox *lbox, wxLog *logOld)
 196     {
 197         m_lbox = lbox;
 198         //m_lbox->Disable(); -- looks ugly under MSW
 199         m_logOld = logOld;
 200     }
 201
 202     virtual ~LboxLogger()
 203     {
 204         wxLog::SetActiveTarget(m_logOld);
 205     }
 206
 207 private:
 208     // implement sink functions
 209     virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t)
 210     {
 211         // don't put trace messages into listbox or we can get into infinite
 212         // recursion
 213         if ( level == wxLOG_Trace )
 214         {
 215             if ( m_logOld )
 216             {
 217                 // cast is needed to call protected method
 218                 ((LboxLogger *)m_logOld)->DoLog(level, szString, t);
 219             }
 220         }
 221         else
 222         {
 223             wxLog::DoLog(level, szString, t);
 224         }
 225     }
 226
 227     virtual void DoLogString(const wxChar *szString, time_t WXUNUSED(t))
 228     {
 229         wxString msg;
 230         TimeStamp(&msg);
 231         msg += szString;
 232
 233         #ifdef __WXUNIVERSAL__
 234             m_lbox->AppendAndEnsureVisible(msg);
 235         #else // other ports don't have this method yet
 236             m_lbox->Append(msg);
 237             m_lbox->SetFirstItem(m_lbox->GetCount() - 1);
 238         #endif
 239     }
 240
 241     // the control we use
 242     wxListBox *m_lbox;
 243
 244     // the old log target
 245     wxLog *m_logOld;
 246 };
 247 #endif // USE_LOG
 248
 249 // array of pages
 250 WX_DEFINE_ARRAY_PTR(WidgetsPage *, ArrayWidgetsPage);
 251
 252 // ----------------------------------------------------------------------------
 253 // misc macros
 254 // ----------------------------------------------------------------------------
 255
 256 IMPLEMENT_APP(WidgetsApp)
 257
 258 // ----------------------------------------------------------------------------
 259 // event tables
 260 // ----------------------------------------------------------------------------
 261
 262 BEGIN_EVENT_TABLE(WidgetsFrame, wxFrame)
 263 #if USE_LOG
 264     EVT_BUTTON(Widgets_ClearLog, WidgetsFrame::OnButtonClearLog)
 265 #endif // USE_LOG
 266     EVT_BUTTON(Widgets_Quit, WidgetsFrame::OnExit)
 267
 268 #if wxUSE_TOOLTIPS
 269     EVT_MENU(Widgets_SetTooltip, WidgetsFrame::OnSetTooltip)
 270 #endif // wxUSE_TOOLTIPS
 271
 272 #if wxUSE_MENUS
 273     EVT_WIDGETS_PAGE_CHANGING(wxID_ANY, WidgetsFrame::OnPageChanging)
 274     EVT_MENU_RANGE(Widgets_GoToPage, Widgets_GoToPageLast,
 275                    WidgetsFrame::OnGoToPage)
 276
 277     EVT_MENU(Widgets_SetFgColour, WidgetsFrame::OnSetFgCol)
 278     EVT_MENU(Widgets_SetBgColour, WidgetsFrame::OnSetBgCol)
 279     EVT_MENU(Widgets_SetFont,     WidgetsFrame::OnSetFont)
 280     EVT_MENU(Widgets_Enable,      WidgetsFrame::OnEnable)
 281
 282     EVT_MENU_RANGE(Widgets_BorderNone, Widgets_BorderDefault,
 283                    WidgetsFrame::OnSetBorder)
 284
 285     EVT_MENU(Widgets_GlobalBusyCursor,  WidgetsFrame::OnToggleGlobalBusyCursor)
 286     EVT_MENU(Widgets_BusyCursor,        WidgetsFrame::OnToggleBusyCursor)
 287
 288     EVT_MENU(wxID_EXIT, WidgetsFrame::OnExit)
 289 #endif // wxUSE_MENUS
 290 END_EVENT_TABLE()
 291
 292 // ============================================================================
 293 // implementation
 294 // ============================================================================
 295
 296 // ----------------------------------------------------------------------------
 297 // app class
 298 // ----------------------------------------------------------------------------
 299
 300 bool WidgetsApp::OnInit()
 301 {
 302     if ( !wxApp::OnInit() )
 303         return false;
 304
 305     // the reason for having these ifdef's is that I often run two copies of
 306     // this sample side by side and it is useful to see which one is which
 307     wxString title;
 308 #if defined(__WXUNIVERSAL__)
 309     title = _T("wxUniv/");
 310 #endif
 311
 312 #if defined(__WXMSW__)
 313     title += _T("wxMSW");
 314 #elif defined(__WXGTK__)
 315     title += _T("wxGTK");
 316 #elif defined(__WXMAC__)
 317     title += _T("wxMAC");
 318 #elif defined(__WXMOTIF__)
 319     title += _T("wxMOTIF");
 320 #else
 321     title += _T("wxWidgets");
 322 #endif
 323
 324     wxFrame *frame = new WidgetsFrame(title + _T(" widgets demo"));
 325     frame->Show();
 326
 327     //wxLog::AddTraceMask(_T("listbox"));
 328     //wxLog::AddTraceMask(_T("scrollbar"));
 329     //wxLog::AddTraceMask(_T("focus"));
 330
 331     return true;
 332 }
 333
 334 // ----------------------------------------------------------------------------
 335 // WidgetsFrame construction
 336 // ----------------------------------------------------------------------------
 337
 338 WidgetsFrame::WidgetsFrame(const wxString& title)
 339             : wxFrame(NULL, wxID_ANY, title)
 340 {
 341     // set the frame icon
 342     SetIcon(wxICON(sample));
 343
 344     // init everything
 345 #if USE_LOG
 346     m_lboxLog = (wxListBox *)NULL;
 347     m_logTarget = (wxLog *)NULL;
 348 #endif // USE_LOG
 349     m_book = (WidgetsBookCtrl *)NULL;
 350
 351 #if wxUSE_MENUS
 352     // create the menubar
 353     wxMenuBar *mbar = new wxMenuBar;
 354     wxMenu *menuWidget = new wxMenu;
 355 #if wxUSE_TOOLTIPS
 356     menuWidget->Append(Widgets_SetTooltip, _T("Set &tooltip...\tCtrl-T"));
 357     menuWidget->AppendSeparator();
 358 #endif // wxUSE_TOOLTIPS
 359     menuWidget->Append(Widgets_SetFgColour, _T("Set &foreground...\tCtrl-F"));
 360     menuWidget->Append(Widgets_SetBgColour, _T("Set &background...\tCtrl-B"));
 361     menuWidget->Append(Widgets_SetFont,     _T("Set f&ont...\tCtrl-O"));
 362     menuWidget->AppendCheckItem(Widgets_Enable,  _T("&Enable/disable\tCtrl-E"));
 363
 364     wxMenu *menuBorders = new wxMenu;
 365     menuBorders->AppendRadioItem(Widgets_BorderDefault, _T("De&fault\tCtrl-Shift-9"));
 366     menuBorders->AppendRadioItem(Widgets_BorderNone,   _T("&None\tCtrl-Shift-0"));
 367     menuBorders->AppendRadioItem(Widgets_BorderSimple, _T("&Simple\tCtrl-Shift-1"));
 368     menuBorders->AppendRadioItem(Widgets_BorderDouble, _T("&Double\tCtrl-Shift-2"));
 369     menuBorders->AppendRadioItem(Widgets_BorderStatic, _T("Stati&c\tCtrl-Shift-3"));
 370     menuBorders->AppendRadioItem(Widgets_BorderRaised, _T("&Raised\tCtrl-Shift-4"));
 371     menuBorders->AppendRadioItem(Widgets_BorderSunken, _T("S&unken\tCtrl-Shift-5"));
 372     menuWidget->AppendSubMenu(menuBorders, _T("Set &border"));
 373
 374     menuWidget->AppendSeparator();
 375     menuWidget->AppendCheckItem(Widgets_GlobalBusyCursor,
 376                                 _T("Toggle &global busy cursor\tCtrl-Shift-U"));
 377     menuWidget->AppendCheckItem(Widgets_BusyCursor,
 378                                 _T("Toggle b&usy cursor\tCtrl-U"));
 379
 380     menuWidget->AppendSeparator();
 381     menuWidget->Append(wxID_EXIT, _T("&Quit\tCtrl-Q"));
 382     mbar->Append(menuWidget, _T("&Widget"));
 383     SetMenuBar(mbar);
 384
 385     mbar->Check(Widgets_Enable, true);
 386 #endif // wxUSE_MENUS
 387
 388     // create controls
 389     m_panel = new wxPanel(this, wxID_ANY);
 390
 391     wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
 392
 393     // we have 2 panes: book with pages demonstrating the controls in the
 394     // upper one and the log window with some buttons in the lower
 395
 396     int style = wxBK_DEFAULT;
 397     // Uncomment to suppress page theme (draw in solid colour)
 398     //style |= wxNB_NOPAGETHEME;
 399
 400     m_book = new WidgetsBookCtrl(m_panel, Widgets_BookCtrl, wxDefaultPosition,
 401 #ifdef __WXMOTIF__
 402         wxSize(500, wxDefaultCoord), // under Motif, height is a function of the width...
 403 #else
 404         wxDefaultSize,
 405 #endif
 406         style);
 407     InitBook();
 408
 409 #ifndef __WXHANDHELD__
 410     // the lower one only has the log listbox and a button to clear it
 411 #if USE_LOG
 412     wxSizer *sizerDown = new wxStaticBoxSizer(
 413         new wxStaticBox( m_panel, wxID_ANY, _T("&Log window") ),
 414         wxVERTICAL);
 415
 416     m_lboxLog = new wxListBox(m_panel, wxID_ANY);
 417     sizerDown->Add(m_lboxLog, 1, wxGROW | wxALL, 5);
 418     sizerDown->SetMinSize(100, 150);
 419 #else
 420     wxSizer *sizerDown = new wxBoxSizer(wxVERTICAL);
 421 #endif // USE_LOG
 422
 423     wxBoxSizer *sizerBtns = new wxBoxSizer(wxHORIZONTAL);
 424     wxButton *btn;
 425 #if USE_LOG
 426     btn = new wxButton(m_panel, Widgets_ClearLog, _T("Clear &log"));
 427     sizerBtns->Add(btn);
 428     sizerBtns->Add(10, 0); // spacer
 429 #endif // USE_LOG
 430     btn = new wxButton(m_panel, Widgets_Quit, _T("E&xit"));
 431     sizerBtns->Add(btn);
 432     sizerDown->Add(sizerBtns, 0, wxALL | wxALIGN_RIGHT, 5);
 433
 434     // put everything together
 435     sizerTop->Add(m_book, 1, wxGROW | (wxALL & ~(wxTOP | wxBOTTOM)), 10);
 436     sizerTop->Add(0, 5, 0, wxGROW); // spacer in between
 437     sizerTop->Add(sizerDown, 0,  wxGROW | (wxALL & ~wxTOP), 10);
 438
 439 #else // !__WXHANDHELD__/__WXHANDHELD__
 440
 441     sizerTop->Add(m_book, 1, wxGROW | wxALL );
 442
 443 #endif // __WXHANDHELD__
 444
 445     m_panel->SetSizer(sizerTop);
 446
 447     sizerTop->Fit(this);
 448     sizerTop->SetSizeHints(this);
 449
 450 #if USE_LOG && !defined(__WXCOCOA__)
 451     // wxCocoa's listbox is too flakey to use for logging right now
 452     // now that everything is created we can redirect the log messages to the
 453     // listbox
 454     m_logTarget = new LboxLogger(m_lboxLog, wxLog::GetActiveTarget());
 455     wxLog::SetActiveTarget(m_logTarget);
 456 #endif
 457 }
 458
 459 void WidgetsFrame::InitBook()
 460 {
 461 #if USE_ICONS_IN_BOOK
 462     wxImageList *imageList = new wxImageList(ICON_SIZE, ICON_SIZE);
 463
 464     wxImage img(sample_xpm);
 465     imageList->Add(wxBitmap(img.Scale(ICON_SIZE, ICON_SIZE)));
 466 #else
 467     wxImageList *imageList = NULL;
 468 #endif
 469
 470 #if !USE_TREEBOOK
 471     WidgetsBookCtrl *books[MAX_PAGES];
 472 #endif
 473
 474     ArrayWidgetsPage pages[MAX_PAGES];
 475     wxArrayString labels[MAX_PAGES];
 476
 477     wxMenu *menuPages = new wxMenu;
 478     unsigned int nPage = 0, nFKey = 0;
 479     int cat, imageId = 1;
 480
 481     // we need to first create all pages and only then add them to the book
 482     // as we need the image list first
 483     //
 484     // we also construct the pages menu during this first iteration
 485     for ( cat = 0; cat < MAX_PAGES; cat++ )
 486     {
 487 #if USE_TREEBOOK
 488         nPage++; // increase for parent page
 489 #else
 490         books[cat] = new WidgetsBookCtrl(m_book,
 491                                          wxID_ANY,
 492                                          wxDefaultPosition,
 493                                          wxDefaultSize,
 494                                          wxBK_DEFAULT);
 495 #endif
 496
 497         for ( WidgetsPageInfo *info = WidgetsPage::ms_widgetPages;
 498               info;
 499               info = info->GetNext() )
 500         {
 501             if( (info->GetCategories() & ( 1 << cat )) == 0)
 502                 continue;
 503
 504             WidgetsPage *page = (*info->GetCtor())(
 505 #if USE_TREEBOOK
 506                                  m_book
 507 #else
 508                                  books[cat]
 509 #endif
 510                                  , imageList);
 511             pages[cat].Add(page);
 512
 513             labels[cat].Add(info->GetLabel());
 514             if ( cat == ALL_PAGE )
 515             {
 516                 wxString radioLabel(info->GetLabel());
 517                 nFKey++;
 518                 if ( nFKey <= 12 )
 519                 {
 520                     radioLabel << wxT("\tF" ) << nFKey;
 521                 }
 522
 523                 menuPages->AppendRadioItem(
 524                             Widgets_GoToPage + nPage,
 525                             radioLabel
 526                            );
 527 #if !USE_TREEBOOK
 528                 // consider only for book in book architecture
 529                 nPage++;
 530 #endif
 531             }
 532
 533 #if USE_TREEBOOK
 534             // consider only for treebook architecture (with subpages)
 535             nPage++;
 536 #endif
 537         }
 538     }
 539
 540     GetMenuBar()->Append(menuPages, _T("&Page"));
 541
 542 #if USE_ICONS_IN_BOOK
 543     m_book->AssignImageList(imageList);
 544 #endif
 545
 546     for ( cat = 0; cat < MAX_PAGES; cat++ )
 547     {
 548 #if USE_TREEBOOK
 549         m_book->AddPage(NULL,WidgetsCategories[cat],false,0);
 550 #else
 551         m_book->AddPage(books[cat],WidgetsCategories[cat],false,0);
 552 #if USE_ICONS_IN_BOOK
 553         books[cat]->SetImageList(imageList);
 554 #endif
 555 #endif
 556
 557         // now do add them
 558         size_t count = pages[cat].GetCount();
 559         for ( size_t n = 0; n < count; n++ )
 560         {
 561 #if USE_TREEBOOK
 562             m_book->AddSubPage
 563 #else
 564             books[cat]->AddPage
 565 #endif
 566                            (
 567                             pages[cat][n],
 568                             labels[cat][n],
 569                             false, // don't select
 570                             imageId++
 571                            );
 572         }
 573     }
 574
 575     Connect( wxID_ANY,
 576              wxEVT_COMMAND_WIDGETS_PAGE_CHANGED,
 577              wxWidgetsbookEventHandler(WidgetsFrame::OnPageChanged) );
 578
 579 #if USE_TREEBOOK
 580     // for treebook page #0 is empty parent page only so select the first page
 581     // with some contents
 582     m_book->SetSelection(1);
 583
 584     // but ensure that the top of the tree is shown nevertheless
 585     wxTreeCtrl * const tree = m_book->GetTreeCtrl();
 586
 587     wxTreeItemIdValue cookie;
 588     tree->EnsureVisible(tree->GetFirstChild(tree->GetRootItem(), cookie));
 589 #else
 590     // for other books set selection twice to force connected event handler
 591     // to force lazy creation of initial visible content
 592     m_book->SetSelection(1);
 593     m_book->SetSelection(0);
 594 #endif // USE_TREEBOOK
 595 }
 596
 597 WidgetsPage *WidgetsFrame::CurrentPage()
 598 {
 599     wxWindow *page = m_book->GetCurrentPage();
 600
 601 #if !USE_TREEBOOK
 602     WidgetsBookCtrl *subBook = wxStaticCast(page, WidgetsBookCtrl);
 603     wxCHECK_MSG( subBook, NULL, _T("no WidgetsBookCtrl?") );
 604
 605     page = subBook->GetCurrentPage();
 606 #endif // !USE_TREEBOOK
 607
 608     return wxStaticCast(page, WidgetsPage);
 609 }
 610
 611 WidgetsFrame::~WidgetsFrame()
 612 {
 613 #if USE_LOG
 614     delete m_logTarget;
 615 #endif // USE_LOG
 616 }
 617
 618 // ----------------------------------------------------------------------------
 619 // WidgetsFrame event handlers
 620 // ----------------------------------------------------------------------------
 621
 622 void WidgetsFrame::OnExit(wxCommandEvent& WXUNUSED(event))
 623 {
 624     Close();
 625 }
 626
 627 #if USE_LOG
 628 void WidgetsFrame::OnButtonClearLog(wxCommandEvent& WXUNUSED(event))
 629 {
 630     m_lboxLog->Clear();
 631 }
 632 #endif // USE_LOG
 633
 634 #if wxUSE_MENUS
 635
 636 void WidgetsFrame::OnPageChanging(WidgetsBookCtrlEvent& event)
 637 {
 638 #if USE_TREEBOOK
 639     // don't allow selection of entries without pages (categories)
 640     if ( !m_book->GetPage(event.GetSelection()) )
 641         event.Veto();
 642 #else
 643     wxUnusedVar(event);
 644 #endif
 645 }
 646
 647 void WidgetsFrame::OnPageChanged(WidgetsBookCtrlEvent& event)
 648 {
 649     const int sel = event.GetSelection();
 650
 651     // adjust "Page" menu selection
 652     wxMenuItem *item = GetMenuBar()->FindItem(Widgets_GoToPage + sel);
 653     if ( item )
 654         item->Check();
 655
 656     GetMenuBar()->Check(Widgets_BusyCursor, false);
 657
 658     // create the pages on demand, otherwise the sample startup is too slow as
 659     // it creates hundreds of controls
 660     WidgetsPage *page = CurrentPage();
 661     if ( page->GetChildren().empty() )
 662     {
 663         wxWindowUpdateLocker noUpdates(page);
 664         page->CreateContent();
 665         //page->Layout();
 666         page->GetSizer()->Fit(page);
 667
 668         WidgetsBookCtrl *book = wxStaticCast(page->GetParent(), WidgetsBookCtrl);
 669         wxSize size;
 670         for ( size_t i = 0; i < book->GetPageCount(); ++i )
 671         {
 672             wxWindow *page = book->GetPage(i);
 673             if ( page )
 674             {
 675                 size.IncTo(page->GetSize());
 676             }
 677         }
 678         page->SetSize(size);
 679     }
 680
 681     event.Skip();
 682 }
 683
 684 void WidgetsFrame::OnGoToPage(wxCommandEvent& event)
 685 {
 686 #if USE_TREEBOOK
 687     m_book->SetSelection(event.GetId() - Widgets_GoToPage);
 688 #else
 689     m_book->SetSelection(m_book->GetPageCount()-1);
 690     WidgetsBookCtrl *book = wxStaticCast(m_book->GetCurrentPage(), WidgetsBookCtrl);
 691     book->SetSelection(event.GetId() - Widgets_GoToPage);
 692 #endif
 693 }
 694
 695 #if wxUSE_TOOLTIPS
 696
 697 void WidgetsFrame::OnSetTooltip(wxCommandEvent& WXUNUSED(event))
 698 {
 699     static wxString s_tip = _T("This is a tooltip");
 700
 701     wxTextEntryDialog dialog
 702                       (
 703                         this,
 704                         _T("Tooltip text (may use \\n, leave empty to remove): "),
 705                         _T("Widgets sample"),
 706                         s_tip
 707                       );
 708
 709     if ( dialog.ShowModal() != wxID_OK )
 710         return;
 711
 712     s_tip = dialog.GetValue();
 713     s_tip.Replace(_T("\\n"), _T("\n"));
 714
 715     WidgetsPage *page = CurrentPage();
 716
 717     page->GetWidget()->SetToolTip(s_tip);
 718
 719     wxControl *ctrl2 = page->GetWidget2();
 720     if ( ctrl2 )
 721         ctrl2->SetToolTip(s_tip);
 722 }
 723
 724 #endif // wxUSE_TOOLTIPS
 725
 726 void WidgetsFrame::OnSetFgCol(wxCommandEvent& WXUNUSED(event))
 727 {
 728 #if wxUSE_COLOURDLG
 729     // allow for debugging the default colour the first time this is called
 730     WidgetsPage *page = CurrentPage();
 731
 732     if (!m_colFg.Ok())
 733         m_colFg = page->GetForegroundColour();
 734
 735     wxColour col = wxGetColourFromUser(this, m_colFg);
 736     if ( !col.Ok() )
 737         return;
 738
 739     m_colFg = col;
 740
 741     page->GetWidget()->SetForegroundColour(m_colFg);
 742     page->GetWidget()->Refresh();
 743
 744     wxControl *ctrl2 = page->GetWidget2();
 745     if ( ctrl2 )
 746     {
 747         ctrl2->SetForegroundColour(m_colFg);
 748         ctrl2->Refresh();
 749     }
 750 #else
 751     wxLogMessage(_T("Colour selection dialog not available in current build."));
 752 #endif
 753 }
 754
 755 void WidgetsFrame::OnSetBgCol(wxCommandEvent& WXUNUSED(event))
 756 {
 757 #if wxUSE_COLOURDLG
 758     WidgetsPage *page = CurrentPage();
 759
 760     if ( !m_colBg.Ok() )
 761         m_colBg = page->GetBackgroundColour();
 762
 763     wxColour col = wxGetColourFromUser(this, m_colBg);
 764     if ( !col.Ok() )
 765         return;
 766
 767     m_colBg = col;
 768
 769     page->GetWidget()->SetBackgroundColour(m_colBg);
 770     page->GetWidget()->Refresh();
 771
 772     wxControl *ctrl2 = page->GetWidget2();
 773     if ( ctrl2 )
 774     {
 775         ctrl2->SetBackgroundColour(m_colFg);
 776         ctrl2->Refresh();
 777     }
 778 #else
 779     wxLogMessage(_T("Colour selection dialog not available in current build."));
 780 #endif
 781 }
 782
 783 void WidgetsFrame::OnSetFont(wxCommandEvent& WXUNUSED(event))
 784 {
 785 #if wxUSE_FONTDLG
 786     WidgetsPage *page = CurrentPage();
 787
 788     if (!m_font.Ok())
 789         m_font = page->GetFont();
 790
 791     wxFont font = wxGetFontFromUser(this, m_font);
 792     if ( !font.Ok() )
 793         return;
 794
 795     m_font = font;
 796
 797     page->GetWidget()->SetFont(m_font);
 798     page->GetWidget()->Refresh();
 799
 800     wxControl *ctrl2 = page->GetWidget2();
 801     if ( ctrl2 )
 802     {
 803         ctrl2->SetFont(m_font);
 804         ctrl2->Refresh();
 805     }
 806 #else
 807     wxLogMessage(_T("Font selection dialog not available in current build."));
 808 #endif
 809 }
 810
 811 void WidgetsFrame::OnEnable(wxCommandEvent& event)
 812 {
 813     CurrentPage()->GetWidget()->Enable(event.IsChecked());
 814 }
 815
 816 void WidgetsFrame::OnSetBorder(wxCommandEvent& event)
 817 {
 818     int border;
 819     switch ( event.GetId() )
 820     {
 821         case Widgets_BorderNone:   border = wxBORDER_NONE;   break;
 822         case Widgets_BorderStatic: border = wxBORDER_STATIC; break;
 823         case Widgets_BorderSimple: border = wxBORDER_SIMPLE; break;
 824         case Widgets_BorderRaised: border = wxBORDER_RAISED; break;
 825         case Widgets_BorderSunken: border = wxBORDER_SUNKEN; break;
 826         case Widgets_BorderDouble: border = wxBORDER_DOUBLE; break;
 827
 828         default:
 829             wxFAIL_MSG( _T("unknown border style") );
 830             // fall through
 831
 832         case Widgets_BorderDefault: border = wxBORDER_DEFAULT; break;
 833     }
 834
 835     WidgetsPage::ms_defaultFlags &= ~wxBORDER_MASK;
 836     WidgetsPage::ms_defaultFlags |= border;
 837
 838     WidgetsPage *page = CurrentPage();
 839
 840     page->RecreateWidget();
 841 }
 842
 843 void WidgetsFrame::OnToggleGlobalBusyCursor(wxCommandEvent& event)
 844 {
 845     if ( event.IsChecked() )
 846         wxBeginBusyCursor();
 847     else
 848         wxEndBusyCursor();
 849 }
 850
 851 void WidgetsFrame::OnToggleBusyCursor(wxCommandEvent& event)
 852 {
 853     CurrentPage()->GetWidget()->SetCursor(*(event.IsChecked()
 854                                                 ? wxHOURGLASS_CURSOR
 855                                                 : wxSTANDARD_CURSOR));
 856 }
 857
 858 #endif // wxUSE_MENUS
 859
 860 // ----------------------------------------------------------------------------
 861 // WidgetsPageInfo
 862 // ----------------------------------------------------------------------------
 863
 864 WidgetsPageInfo::WidgetsPageInfo(Constructor ctor, const wxChar *label, int categories)
 865                : m_label(label)
 866                , m_categories(categories)
 867 {
 868     m_ctor = ctor;
 869
 870     m_next = NULL;
 871
 872     // dummy sorting: add and immediately sort in the list according to label
 873     if ( WidgetsPage::ms_widgetPages )
 874     {
 875         WidgetsPageInfo *node_prev = WidgetsPage::ms_widgetPages;
 876         if ( wxStrcmp(label, node_prev->GetLabel().c_str()) < 0 )
 877         {
 878             // add as first
 879             m_next = node_prev;
 880             WidgetsPage::ms_widgetPages = this;
 881         }
 882         else
 883         {
 884             WidgetsPageInfo *node_next;
 885             do
 886             {
 887                 node_next = node_prev->GetNext();
 888                 if ( node_next )
 889                 {
 890                     // add if between two
 891                     if ( wxStrcmp(label, node_next->GetLabel().c_str()) < 0 )
 892                     {
 893                         node_prev->SetNext(this);
 894                         m_next = node_next;
 895                         // force to break loop
 896                         node_next = NULL;
 897                     }
 898                 }
 899                 else
 900                 {
 901                     // add as last
 902                     node_prev->SetNext(this);
 903                     m_next = node_next;
 904                 }
 905                 node_prev = node_next;
 906             }
 907             while ( node_next );
 908         }
 909     }
 910     else
 911     {
 912         // add when first
 913         WidgetsPage::ms_widgetPages = this;
 914     }
 915 }
 916
 917 // ----------------------------------------------------------------------------
 918 // WidgetsPage
 919 // ----------------------------------------------------------------------------
 920
 921 int WidgetsPage::ms_defaultFlags = wxBORDER_DEFAULT;
 922 WidgetsPageInfo *WidgetsPage::ms_widgetPages = NULL;
 923
 924 WidgetsPage::WidgetsPage(WidgetsBookCtrl *book,
 925                          wxImageList *imaglist,
 926                          char* icon[])
 927            : wxPanel(book, wxID_ANY,
 928                      wxDefaultPosition, wxDefaultSize,
 929                      wxNO_FULL_REPAINT_ON_RESIZE |
 930                      wxCLIP_CHILDREN |
 931                      wxTAB_TRAVERSAL)
 932 {
 933 #if USE_ICONS_IN_BOOK
 934     imaglist->Add(wxBitmap(wxImage(icon).Scale(ICON_SIZE, ICON_SIZE)));
 935 #else
 936     wxUnusedVar(imaglist);
 937     wxUnusedVar(icon);
 938 #endif
 939 }
 940
 941 wxSizer *WidgetsPage::CreateSizerWithText(wxControl *control,
 942                                           wxWindowID id,
 943                                           wxTextCtrl **ppText)
 944 {
 945     wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
 946     wxTextCtrl *text = new wxTextCtrl(this, id, wxEmptyString,
 947         wxDefaultPosition, wxDefaultSize, wxTE_PROCESS_ENTER);
 948
 949     sizerRow->Add(control, 0, wxRIGHT | wxALIGN_CENTRE_VERTICAL, 5);
 950     sizerRow->Add(text, 1, wxLEFT | wxALIGN_CENTRE_VERTICAL, 5);
 951
 952     if ( ppText )
 953         *ppText = text;
 954
 955     return sizerRow;
 956 }
 957
 958 // create a sizer containing a label and a text ctrl
 959 wxSizer *WidgetsPage::CreateSizerWithTextAndLabel(const wxString& label,
 960                                                   wxWindowID id,
 961                                                   wxTextCtrl **ppText)
 962 {
 963     return CreateSizerWithText(new wxStaticText(this, wxID_ANY, label),
 964         id, ppText);
 965 }
 966
 967 // create a sizer containing a button and a text ctrl
 968 wxSizer *WidgetsPage::CreateSizerWithTextAndButton(wxWindowID idBtn,
 969                                                    const wxString& label,
 970                                                    wxWindowID id,
 971                                                    wxTextCtrl **ppText)
 972 {
 973     return CreateSizerWithText(new wxButton(this, idBtn, label), id, ppText);
 974 }
 975
 976 wxCheckBox *WidgetsPage::CreateCheckBoxAndAddToSizer(wxSizer *sizer,
 977                                                      const wxString& label,
 978                                                      wxWindowID id)
 979 {
 980     wxCheckBox *checkbox = new wxCheckBox(this, id, label);
 981     sizer->Add(checkbox, 0, wxLEFT | wxRIGHT, 5);
 982     sizer->Add(0, 2, 0, wxGROW); // spacer
 983
 984     return checkbox;
 985 }