samples/richtext/richtext.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        samples/richtext/richtext.cpp
   3 // Purpose:     wxWidgets rich text editor sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     2005-10-02
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   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 // for all others, include the necessary headers (this file is usually all you
  28 // need because it includes almost all "standard" wxWidgets headers)
  29 #ifndef WX_PRECOMP
  30     #include "wx/wx.h"
  31 #endif
  32
  33 #include "wx/fontdlg.h"
  34 #include "wx/splitter.h"
  35 #include "wx/sstream.h"
  36 #include "wx/html/htmlwin.h"
  37
  38 #if wxUSE_FILESYSTEM
  39 #include "wx/filesys.h"
  40 #include "wx/fs_mem.h"
  41 #endif
  42
  43 #if wxUSE_HELP
  44 #include "wx/cshelp.h"
  45 #endif
  46
  47 #ifndef __WXMSW__
  48     #include "../sample.xpm"
  49 #endif
  50
  51 #include "bitmaps/smiley.xpm"
  52 // #include "bitmaps/idea.xpm"
  53 #include "bitmaps/zebra.xpm"
  54
  55 #include "bitmaps/open.xpm"
  56 #include "bitmaps/save.xpm"
  57 #include "bitmaps/copy.xpm"
  58 #include "bitmaps/cut.xpm"
  59 #include "bitmaps/paste.xpm"
  60 #include "bitmaps/undo.xpm"
  61 #include "bitmaps/redo.xpm"
  62 #include "bitmaps/bold.xpm"
  63 #include "bitmaps/italic.xpm"
  64 #include "bitmaps/underline.xpm"
  65
  66 #include "bitmaps/alignleft.xpm"
  67 #include "bitmaps/alignright.xpm"
  68 #include "bitmaps/centre.xpm"
  69 #include "bitmaps/font.xpm"
  70 #include "bitmaps/indentless.xpm"
  71 #include "bitmaps/indentmore.xpm"
  72
  73 #include "wx/richtext/richtextctrl.h"
  74 #include "wx/richtext/richtextstyles.h"
  75 #include "wx/richtext/richtextxml.h"
  76 #include "wx/richtext/richtexthtml.h"
  77 #include "wx/richtext/richtextformatdlg.h"
  78 #include "wx/richtext/richtextsymboldlg.h"
  79 #include "wx/richtext/richtextstyledlg.h"
  80 #include "wx/richtext/richtextprint.h"
  81
  82 // ----------------------------------------------------------------------------
  83 // resources
  84 // ----------------------------------------------------------------------------
  85
  86 // ----------------------------------------------------------------------------
  87 // private classes
  88 // ----------------------------------------------------------------------------
  89
  90 // Define a new application type, each program should derive a class from wxApp
  91 class MyApp : public wxApp
  92 {
  93 public:
  94     // override base class virtuals
  95     // ----------------------------
  96
  97     // this one is called on application startup and is a good place for the app
  98     // initialization (doing it here and not in the ctor allows to have an error
  99     // return: if OnInit() returns false, the application terminates)
 100     virtual bool OnInit();
 101     virtual int OnExit();
 102
 103     void CreateStyles();
 104
 105     wxRichTextStyleSheet* GetStyleSheet() const { return m_styleSheet; }
 106     wxRichTextPrinting* GetPrinting() const { return m_printing; }
 107
 108     wxRichTextStyleSheet*   m_styleSheet;
 109     wxRichTextPrinting*     m_printing;
 110 };
 111
 112 // Define a new frame type: this is going to be our main frame
 113 class MyFrame : public wxFrame
 114 {
 115 public:
 116     // ctor(s)
 117     MyFrame(const wxString& title, wxWindowID id, const wxPoint& pos = wxDefaultPosition,
 118         const wxSize& size = wxDefaultSize, long style = wxDEFAULT_FRAME_STYLE);
 119
 120     // event handlers (these functions should _not_ be virtual)
 121     void OnQuit(wxCommandEvent& event);
 122     void OnAbout(wxCommandEvent& event);
 123
 124     void OnOpen(wxCommandEvent& event);
 125     void OnSave(wxCommandEvent& event);
 126     void OnSaveAs(wxCommandEvent& event);
 127
 128     void OnBold(wxCommandEvent& event);
 129     void OnItalic(wxCommandEvent& event);
 130     void OnUnderline(wxCommandEvent& event);
 131
 132     void OnUpdateBold(wxUpdateUIEvent& event);
 133     void OnUpdateItalic(wxUpdateUIEvent& event);
 134     void OnUpdateUnderline(wxUpdateUIEvent& event);
 135
 136     void OnAlignLeft(wxCommandEvent& event);
 137     void OnAlignCentre(wxCommandEvent& event);
 138     void OnAlignRight(wxCommandEvent& event);
 139
 140     void OnUpdateAlignLeft(wxUpdateUIEvent& event);
 141     void OnUpdateAlignCentre(wxUpdateUIEvent& event);
 142     void OnUpdateAlignRight(wxUpdateUIEvent& event);
 143
 144     void OnIndentMore(wxCommandEvent& event);
 145     void OnIndentLess(wxCommandEvent& event);
 146
 147     void OnFont(wxCommandEvent& event);
 148     void OnParagraph(wxCommandEvent& event);
 149     void OnFormat(wxCommandEvent& event);
 150     void OnUpdateFormat(wxUpdateUIEvent& event);
 151
 152     void OnInsertSymbol(wxCommandEvent& event);
 153
 154     void OnLineSpacingHalf(wxCommandEvent& event);
 155     void OnLineSpacingDouble(wxCommandEvent& event);
 156     void OnLineSpacingSingle(wxCommandEvent& event);
 157
 158     void OnParagraphSpacingMore(wxCommandEvent& event);
 159     void OnParagraphSpacingLess(wxCommandEvent& event);
 160
 161     void OnNumberList(wxCommandEvent& event);
 162     void OnBulletsAndNumbering(wxCommandEvent& event);
 163     void OnItemizeList(wxCommandEvent& event);
 164     void OnRenumberList(wxCommandEvent& event);
 165     void OnPromoteList(wxCommandEvent& event);
 166     void OnDemoteList(wxCommandEvent& event);
 167     void OnClearList(wxCommandEvent& event);
 168
 169     void OnViewHTML(wxCommandEvent& event);
 170
 171     void OnSwitchStyleSheets(wxCommandEvent& event);
 172     void OnManageStyles(wxCommandEvent& event);
 173
 174     void OnInsertURL(wxCommandEvent& event);
 175     void OnURL(wxTextUrlEvent& event);
 176     void OnStyleSheetReplacing(wxRichTextEvent& event);
 177
 178     void OnPrint(wxCommandEvent& event);
 179     void OnPreview(wxCommandEvent& event);
 180     void OnPageSetup(wxCommandEvent& event);
 181
 182     // Forward command events to the current rich text control, if any
 183     bool ProcessEvent(wxEvent& event);
 184
 185 private:
 186     // any class wishing to process wxWidgets events must use this macro
 187     DECLARE_EVENT_TABLE()
 188
 189     wxRichTextCtrl*         m_richTextCtrl;
 190 };
 191
 192 // ----------------------------------------------------------------------------
 193 // constants
 194 // ----------------------------------------------------------------------------
 195
 196 // IDs for the controls and the menu commands
 197 enum
 198 {
 199     // menu items
 200     ID_Quit = wxID_EXIT,
 201     ID_About = wxID_ABOUT,
 202
 203     ID_FORMAT_BOLD = 100,
 204     ID_FORMAT_ITALIC,
 205     ID_FORMAT_UNDERLINE,
 206     ID_FORMAT_FONT,
 207     ID_FORMAT_PARAGRAPH,
 208     ID_FORMAT_CONTENT,
 209
 210     ID_INSERT_SYMBOL,
 211     ID_INSERT_URL,
 212
 213     ID_FORMAT_ALIGN_LEFT,
 214     ID_FORMAT_ALIGN_CENTRE,
 215     ID_FORMAT_ALIGN_RIGHT,
 216
 217     ID_FORMAT_INDENT_MORE,
 218     ID_FORMAT_INDENT_LESS,
 219
 220     ID_FORMAT_PARAGRAPH_SPACING_MORE,
 221     ID_FORMAT_PARAGRAPH_SPACING_LESS,
 222
 223     ID_FORMAT_LINE_SPACING_HALF,
 224     ID_FORMAT_LINE_SPACING_DOUBLE,
 225     ID_FORMAT_LINE_SPACING_SINGLE,
 226
 227     ID_FORMAT_NUMBER_LIST,
 228     ID_FORMAT_BULLETS_AND_NUMBERING,
 229     ID_FORMAT_ITEMIZE_LIST,
 230     ID_FORMAT_RENUMBER_LIST,
 231     ID_FORMAT_PROMOTE_LIST,
 232     ID_FORMAT_DEMOTE_LIST,
 233     ID_FORMAT_CLEAR_LIST,
 234
 235     ID_VIEW_HTML,
 236     ID_SWITCH_STYLE_SHEETS,
 237     ID_MANAGE_STYLES,
 238
 239     ID_PRINT,
 240     ID_PREVIEW,
 241     ID_PAGE_SETUP,
 242
 243     ID_RICHTEXT_CTRL,
 244     ID_RICHTEXT_STYLE_LIST,
 245     ID_RICHTEXT_STYLE_COMBO
 246 };
 247
 248 // ----------------------------------------------------------------------------
 249 // event tables and other macros for wxWidgets
 250 // ----------------------------------------------------------------------------
 251
 252 // the event tables connect the wxWidgets events with the functions (event
 253 // handlers) which process them. It can be also done at run-time, but for the
 254 // simple menu events like this the static method is much simpler.
 255 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 256     EVT_MENU(ID_Quit,  MyFrame::OnQuit)
 257     EVT_MENU(ID_About, MyFrame::OnAbout)
 258
 259     EVT_MENU(wxID_OPEN,  MyFrame::OnOpen)
 260     EVT_MENU(wxID_SAVE,  MyFrame::OnSave)
 261     EVT_MENU(wxID_SAVEAS,  MyFrame::OnSaveAs)
 262
 263     EVT_MENU(ID_FORMAT_BOLD,  MyFrame::OnBold)
 264     EVT_MENU(ID_FORMAT_ITALIC,  MyFrame::OnItalic)
 265     EVT_MENU(ID_FORMAT_UNDERLINE,  MyFrame::OnUnderline)
 266
 267     EVT_UPDATE_UI(ID_FORMAT_BOLD,  MyFrame::OnUpdateBold)
 268     EVT_UPDATE_UI(ID_FORMAT_ITALIC,  MyFrame::OnUpdateItalic)
 269     EVT_UPDATE_UI(ID_FORMAT_UNDERLINE,  MyFrame::OnUpdateUnderline)
 270
 271     EVT_MENU(ID_FORMAT_ALIGN_LEFT,  MyFrame::OnAlignLeft)
 272     EVT_MENU(ID_FORMAT_ALIGN_CENTRE,  MyFrame::OnAlignCentre)
 273     EVT_MENU(ID_FORMAT_ALIGN_RIGHT,  MyFrame::OnAlignRight)
 274
 275     EVT_UPDATE_UI(ID_FORMAT_ALIGN_LEFT,  MyFrame::OnUpdateAlignLeft)
 276     EVT_UPDATE_UI(ID_FORMAT_ALIGN_CENTRE,  MyFrame::OnUpdateAlignCentre)
 277     EVT_UPDATE_UI(ID_FORMAT_ALIGN_RIGHT,  MyFrame::OnUpdateAlignRight)
 278
 279     EVT_MENU(ID_FORMAT_FONT,  MyFrame::OnFont)
 280     EVT_MENU(ID_FORMAT_PARAGRAPH,  MyFrame::OnParagraph)
 281     EVT_MENU(ID_FORMAT_CONTENT,  MyFrame::OnFormat)
 282     EVT_UPDATE_UI(ID_FORMAT_CONTENT,  MyFrame::OnUpdateFormat)
 283     EVT_UPDATE_UI(ID_FORMAT_FONT,  MyFrame::OnUpdateFormat)
 284     EVT_UPDATE_UI(ID_FORMAT_PARAGRAPH,  MyFrame::OnUpdateFormat)
 285     EVT_MENU(ID_FORMAT_INDENT_MORE,  MyFrame::OnIndentMore)
 286     EVT_MENU(ID_FORMAT_INDENT_LESS,  MyFrame::OnIndentLess)
 287
 288     EVT_MENU(ID_FORMAT_LINE_SPACING_HALF,  MyFrame::OnLineSpacingHalf)
 289     EVT_MENU(ID_FORMAT_LINE_SPACING_SINGLE,  MyFrame::OnLineSpacingSingle)
 290     EVT_MENU(ID_FORMAT_LINE_SPACING_DOUBLE,  MyFrame::OnLineSpacingDouble)
 291
 292     EVT_MENU(ID_FORMAT_PARAGRAPH_SPACING_MORE,  MyFrame::OnParagraphSpacingMore)
 293     EVT_MENU(ID_FORMAT_PARAGRAPH_SPACING_LESS,  MyFrame::OnParagraphSpacingLess)
 294
 295     EVT_MENU(ID_INSERT_SYMBOL,  MyFrame::OnInsertSymbol)
 296     EVT_MENU(ID_INSERT_URL,  MyFrame::OnInsertURL)
 297
 298     EVT_MENU(ID_FORMAT_NUMBER_LIST, MyFrame::OnNumberList)
 299     EVT_MENU(ID_FORMAT_BULLETS_AND_NUMBERING, MyFrame::OnBulletsAndNumbering)
 300     EVT_MENU(ID_FORMAT_ITEMIZE_LIST, MyFrame::OnItemizeList)
 301     EVT_MENU(ID_FORMAT_RENUMBER_LIST, MyFrame::OnRenumberList)
 302     EVT_MENU(ID_FORMAT_PROMOTE_LIST, MyFrame::OnPromoteList)
 303     EVT_MENU(ID_FORMAT_DEMOTE_LIST, MyFrame::OnDemoteList)
 304     EVT_MENU(ID_FORMAT_CLEAR_LIST, MyFrame::OnClearList)
 305
 306     EVT_MENU(ID_VIEW_HTML, MyFrame::OnViewHTML)
 307     EVT_MENU(ID_SWITCH_STYLE_SHEETS, MyFrame::OnSwitchStyleSheets)
 308     EVT_MENU(ID_MANAGE_STYLES, MyFrame::OnManageStyles)
 309
 310     EVT_MENU(ID_PRINT, MyFrame::OnPrint)
 311     EVT_MENU(ID_PREVIEW, MyFrame::OnPreview)
 312     EVT_MENU(ID_PAGE_SETUP, MyFrame::OnPageSetup)
 313
 314     EVT_TEXT_URL(wxID_ANY, MyFrame::OnURL)
 315     EVT_RICHTEXT_STYLESHEET_REPLACING(wxID_ANY, MyFrame::OnStyleSheetReplacing)
 316 END_EVENT_TABLE()
 317
 318 // Create a new application object: this macro will allow wxWidgets to create
 319 // the application object during program execution (it's better than using a
 320 // static object for many reasons) and also implements the accessor function
 321 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 322 // not wxApp)
 323 IMPLEMENT_APP(MyApp)
 324
 325 // ============================================================================
 326 // implementation
 327 // ============================================================================
 328
 329 // ----------------------------------------------------------------------------
 330 // the application class
 331 // ----------------------------------------------------------------------------
 332
 333 // 'Main program' equivalent: the program execution "starts" here
 334 bool MyApp::OnInit()
 335 {
 336 #if wxUSE_HELP
 337     wxHelpProvider::Set(new wxSimpleHelpProvider);
 338 #endif
 339
 340     m_styleSheet = new wxRichTextStyleSheet;
 341     m_printing = new wxRichTextPrinting(wxT("Test Document"));
 342
 343     m_printing->SetFooterText(wxT("@TITLE@"), wxRICHTEXT_PAGE_ALL, wxRICHTEXT_PAGE_CENTRE);
 344     m_printing->SetFooterText(wxT("Page @PAGENUM@"), wxRICHTEXT_PAGE_ALL, wxRICHTEXT_PAGE_RIGHT);
 345
 346     CreateStyles();
 347
 348     // Add extra handlers (plain text is automatically added)
 349     wxRichTextBuffer::AddHandler(new wxRichTextXMLHandler);
 350     wxRichTextBuffer::AddHandler(new wxRichTextHTMLHandler);
 351
 352     // Add image handlers
 353 #if wxUSE_LIBPNG
 354     wxImage::AddHandler( new wxPNGHandler );
 355 #endif
 356
 357 #if wxUSE_LIBJPEG
 358     wxImage::AddHandler( new wxJPEGHandler );
 359 #endif
 360
 361 #if wxUSE_GIF
 362     wxImage::AddHandler( new wxGIFHandler );
 363 #endif
 364
 365 #if wxUSE_FILESYSTEM
 366     wxFileSystem::AddHandler( new wxMemoryFSHandler );
 367 #endif
 368
 369     // create the main application window
 370     MyFrame *frame = new MyFrame(_T("wxRichTextCtrl Sample"), wxID_ANY, wxDefaultPosition, wxSize(700, 600));
 371
 372     m_printing->SetParentWindow(frame);
 373
 374     // and show it (the frames, unlike simple controls, are not shown when
 375     // created initially)
 376     frame->Show(true);
 377
 378     // success: wxApp::OnRun() will be called which will enter the main message
 379     // loop and the application will run. If we returned false here, the
 380     // application would exit immediately.
 381     return true;
 382 }
 383
 384 int MyApp::OnExit()
 385 {
 386     delete m_printing;
 387     delete m_styleSheet;
 388
 389     return 0;
 390 }
 391
 392 void MyApp::CreateStyles()
 393 {
 394     // Paragraph styles
 395
 396     wxFont romanFont(12, wxROMAN, wxNORMAL, wxNORMAL);
 397     wxFont swissFont(12, wxSWISS, wxNORMAL, wxNORMAL);
 398
 399     wxRichTextParagraphStyleDefinition* normalPara = new wxRichTextParagraphStyleDefinition(wxT("Normal"));
 400     wxRichTextAttr normalAttr;
 401     normalAttr.SetFontFaceName(romanFont.GetFaceName());
 402     normalAttr.SetFontSize(12);
 403     // Let's set all attributes for this style
 404     normalAttr.SetFlags(wxTEXT_ATTR_FONT | wxTEXT_ATTR_BACKGROUND_COLOUR | wxTEXT_ATTR_TEXT_COLOUR|wxTEXT_ATTR_ALIGNMENT|wxTEXT_ATTR_LEFT_INDENT|wxTEXT_ATTR_RIGHT_INDENT|wxTEXT_ATTR_TABS|
 405                             wxTEXT_ATTR_PARA_SPACING_BEFORE|wxTEXT_ATTR_PARA_SPACING_AFTER|wxTEXT_ATTR_LINE_SPACING|
 406                             wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_BULLET_NUMBER);
 407     normalPara->SetStyle(normalAttr);
 408
 409     m_styleSheet->AddParagraphStyle(normalPara);
 410
 411     wxRichTextParagraphStyleDefinition* indentedPara = new wxRichTextParagraphStyleDefinition(wxT("Indented"));
 412     wxRichTextAttr indentedAttr;
 413     indentedAttr.SetFontFaceName(romanFont.GetFaceName());
 414     indentedAttr.SetFontSize(12);
 415     indentedAttr.SetLeftIndent(100, 0);
 416     // We only want to affect indentation
 417     indentedAttr.SetFlags(wxTEXT_ATTR_LEFT_INDENT|wxTEXT_ATTR_RIGHT_INDENT);
 418     indentedPara->SetStyle(indentedAttr);
 419
 420     m_styleSheet->AddParagraphStyle(indentedPara);
 421
 422     wxRichTextParagraphStyleDefinition* indentedPara2 = new wxRichTextParagraphStyleDefinition(wxT("Red Bold Indented"));
 423     wxRichTextAttr indentedAttr2;
 424     indentedAttr2.SetFontFaceName(romanFont.GetFaceName());
 425     indentedAttr2.SetFontSize(12);
 426     indentedAttr2.SetFontWeight(wxBOLD);
 427     indentedAttr2.SetTextColour(*wxRED);
 428     indentedAttr2.SetFontSize(12);
 429     indentedAttr2.SetLeftIndent(100, 0);
 430     // We want to affect indentation, font and text colour
 431     indentedAttr2.SetFlags(wxTEXT_ATTR_LEFT_INDENT|wxTEXT_ATTR_RIGHT_INDENT|wxTEXT_ATTR_FONT|wxTEXT_ATTR_TEXT_COLOUR);
 432     indentedPara2->SetStyle(indentedAttr2);
 433
 434     m_styleSheet->AddParagraphStyle(indentedPara2);
 435
 436     wxRichTextParagraphStyleDefinition* flIndentedPara = new wxRichTextParagraphStyleDefinition(wxT("First Line Indented"));
 437     wxRichTextAttr flIndentedAttr;
 438     flIndentedAttr.SetFontFaceName(swissFont.GetFaceName());
 439     flIndentedAttr.SetFontSize(12);
 440     flIndentedAttr.SetLeftIndent(100, -100);
 441     // We only want to affect indentation
 442     flIndentedAttr.SetFlags(wxTEXT_ATTR_LEFT_INDENT|wxTEXT_ATTR_RIGHT_INDENT);
 443     flIndentedPara->SetStyle(flIndentedAttr);
 444
 445     m_styleSheet->AddParagraphStyle(flIndentedPara);
 446
 447     // Character styles
 448
 449     wxRichTextCharacterStyleDefinition* boldDef = new wxRichTextCharacterStyleDefinition(wxT("Bold"));
 450     wxRichTextAttr boldAttr;
 451     boldAttr.SetFontFaceName(romanFont.GetFaceName());
 452     boldAttr.SetFontSize(12);
 453     boldAttr.SetFontWeight(wxBOLD);
 454     // We only want to affect boldness
 455     boldAttr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
 456     boldDef->SetStyle(boldAttr);
 457
 458     m_styleSheet->AddCharacterStyle(boldDef);
 459
 460     wxRichTextCharacterStyleDefinition* italicDef = new wxRichTextCharacterStyleDefinition(wxT("Italic"));
 461     wxRichTextAttr italicAttr;
 462     italicAttr.SetFontFaceName(romanFont.GetFaceName());
 463     italicAttr.SetFontSize(12);
 464     italicAttr.SetFontStyle(wxITALIC);
 465     // We only want to affect italics
 466     italicAttr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
 467     italicDef->SetStyle(italicAttr);
 468
 469     m_styleSheet->AddCharacterStyle(italicDef);
 470
 471     wxRichTextCharacterStyleDefinition* redDef = new wxRichTextCharacterStyleDefinition(wxT("Red Bold"));
 472     wxRichTextAttr redAttr;
 473     redAttr.SetFontFaceName(romanFont.GetFaceName());
 474     redAttr.SetFontSize(12);
 475     redAttr.SetFontWeight(wxBOLD);
 476     redAttr.SetTextColour(*wxRED);
 477     // We only want to affect colour, weight and face
 478     redAttr.SetFlags(wxTEXT_ATTR_FONT_FACE|wxTEXT_ATTR_FONT_WEIGHT|wxTEXT_ATTR_TEXT_COLOUR);
 479     redDef->SetStyle(redAttr);
 480
 481     m_styleSheet->AddCharacterStyle(redDef);
 482
 483     wxRichTextListStyleDefinition* bulletList = new wxRichTextListStyleDefinition(wxT("Bullet List 1"));
 484     int i;
 485     for (i = 0; i < 10; i++)
 486     {
 487         wxString bulletText;
 488         if (i == 0)
 489             bulletText = wxT("standard/circle");
 490         else if (i == 1)
 491             bulletText = wxT("standard/square");
 492         else if (i == 2)
 493             bulletText = wxT("standard/circle");
 494         else if (i == 3)
 495             bulletText = wxT("standard/square");
 496         else
 497             bulletText = wxT("standard/circle");
 498
 499         bulletList->SetAttributes(i, (i+1)*60, 60, wxTEXT_ATTR_BULLET_STYLE_STANDARD, bulletText);
 500     }
 501
 502     m_styleSheet->AddListStyle(bulletList);
 503
 504     wxRichTextListStyleDefinition* numberedList = new wxRichTextListStyleDefinition(wxT("Numbered List 1"));
 505     for (i = 0; i < 10; i++)
 506     {
 507         long numberStyle;
 508         if (i == 0)
 509             numberStyle = wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_PERIOD;
 510         else if (i == 1)
 511             numberStyle = wxTEXT_ATTR_BULLET_STYLE_LETTERS_LOWER|wxTEXT_ATTR_BULLET_STYLE_PARENTHESES;
 512         else if (i == 2)
 513             numberStyle = wxTEXT_ATTR_BULLET_STYLE_ROMAN_LOWER|wxTEXT_ATTR_BULLET_STYLE_PARENTHESES;
 514         else if (i == 3)
 515             numberStyle = wxTEXT_ATTR_BULLET_STYLE_ROMAN_UPPER|wxTEXT_ATTR_BULLET_STYLE_PARENTHESES;
 516         else
 517             numberStyle = wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_PERIOD;
 518
 519         numberStyle |= wxTEXT_ATTR_BULLET_STYLE_ALIGN_RIGHT;
 520
 521         numberedList->SetAttributes(i, (i+1)*60, 60, numberStyle);
 522     }
 523
 524     m_styleSheet->AddListStyle(numberedList);
 525
 526     wxRichTextListStyleDefinition* outlineList = new wxRichTextListStyleDefinition(wxT("Outline List 1"));
 527     for (i = 0; i < 10; i++)
 528     {
 529         long numberStyle;
 530         if (i < 4)
 531             numberStyle = wxTEXT_ATTR_BULLET_STYLE_OUTLINE|wxTEXT_ATTR_BULLET_STYLE_PERIOD;
 532         else
 533             numberStyle = wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_PERIOD;
 534
 535         outlineList->SetAttributes(i, (i+1)*120, 120, numberStyle);
 536     }
 537
 538     m_styleSheet->AddListStyle(outlineList);
 539 }
 540
 541 // ----------------------------------------------------------------------------
 542 // main frame
 543 // ----------------------------------------------------------------------------
 544
 545 // frame constructor
 546 MyFrame::MyFrame(const wxString& title, wxWindowID id, const wxPoint& pos,
 547         const wxSize& size, long style)
 548        : wxFrame(NULL, id, title, pos, size, style)
 549 {
 550     // set the frame icon
 551     SetIcon(wxICON(sample));
 552
 553     // create a menu bar
 554     wxMenu *fileMenu = new wxMenu;
 555
 556     // the "About" item should be in the help menu
 557     wxMenu *helpMenu = new wxMenu;
 558     helpMenu->Append(ID_About, _T("&About...\tF1"), _T("Show about dialog"));
 559
 560     fileMenu->Append(wxID_OPEN, _T("&Open\tCtrl+O"), _T("Open a file"));
 561     fileMenu->Append(wxID_SAVE, _T("&Save\tCtrl+S"), _T("Save a file"));
 562     fileMenu->Append(wxID_SAVEAS, _T("&Save As...\tF12"), _T("Save to a new file"));
 563     fileMenu->AppendSeparator();
 564     fileMenu->Append(ID_PAGE_SETUP, _T("Page Set&up..."), _T("Page setup"));
 565     fileMenu->Append(ID_PRINT, _T("&Print...\tCtrl+P"), _T("Print"));
 566     fileMenu->Append(ID_PREVIEW, _T("Print Pre&view"), _T("Print preview"));
 567     fileMenu->AppendSeparator();
 568     fileMenu->Append(ID_VIEW_HTML, _T("&View as HTML"), _T("View HTML"));
 569     fileMenu->AppendSeparator();
 570     fileMenu->Append(ID_Quit, _T("E&xit\tAlt+X"), _T("Quit this program"));
 571
 572     wxMenu* editMenu = new wxMenu;
 573     editMenu->Append(wxID_UNDO, _("&Undo\tCtrl+Z"));
 574     editMenu->Append(wxID_REDO, _("&Redo\tCtrl+Y"));
 575     editMenu->AppendSeparator();
 576     editMenu->Append(wxID_CUT, _("Cu&t\tCtrl+X"));
 577     editMenu->Append(wxID_COPY, _("&Copy\tCtrl+C"));
 578     editMenu->Append(wxID_PASTE, _("&Paste\tCtrl+V"));
 579
 580     editMenu->Append(wxID_CLEAR, _("&Delete\tDel"));
 581
 582     editMenu->AppendSeparator();
 583     editMenu->Append(wxID_SELECTALL, _("Select A&ll\tCtrl+A"));
 584 #if 0
 585     editMenu->AppendSeparator();
 586     editMenu->Append(wxID_FIND, _("&Find...\tCtrl+F"));
 587     editMenu->Append(stID_FIND_REPLACE, _("&Replace...\tCtrl+R"));
 588 #endif
 589
 590     wxMenu* formatMenu = new wxMenu;
 591     formatMenu->AppendCheckItem(ID_FORMAT_BOLD, _("&Bold\tCtrl+B"));
 592     formatMenu->AppendCheckItem(ID_FORMAT_ITALIC, _("&Italic\tCtrl+I"));
 593     formatMenu->AppendCheckItem(ID_FORMAT_UNDERLINE, _("&Underline\tCtrl+U"));
 594     formatMenu->AppendSeparator();
 595     formatMenu->AppendCheckItem(ID_FORMAT_ALIGN_LEFT, _("L&eft Align"));
 596     formatMenu->AppendCheckItem(ID_FORMAT_ALIGN_RIGHT, _("&Right Align"));
 597     formatMenu->AppendCheckItem(ID_FORMAT_ALIGN_CENTRE, _("&Centre"));
 598     formatMenu->AppendSeparator();
 599     formatMenu->Append(ID_FORMAT_INDENT_MORE, _("Indent &More"));
 600     formatMenu->Append(ID_FORMAT_INDENT_LESS, _("Indent &Less"));
 601     formatMenu->AppendSeparator();
 602     formatMenu->Append(ID_FORMAT_PARAGRAPH_SPACING_MORE, _("Increase Paragraph &Spacing"));
 603     formatMenu->Append(ID_FORMAT_PARAGRAPH_SPACING_LESS, _("Decrease &Paragraph Spacing"));
 604     formatMenu->AppendSeparator();
 605     formatMenu->Append(ID_FORMAT_LINE_SPACING_SINGLE, _("Normal Line Spacing"));
 606     formatMenu->Append(ID_FORMAT_LINE_SPACING_HALF, _("1.5 Line Spacing"));
 607     formatMenu->Append(ID_FORMAT_LINE_SPACING_DOUBLE, _("Double Line Spacing"));
 608     formatMenu->AppendSeparator();
 609     formatMenu->Append(ID_FORMAT_FONT, _("&Font..."));
 610     formatMenu->Append(ID_FORMAT_PARAGRAPH, _("&Paragraph..."));
 611     formatMenu->Append(ID_FORMAT_CONTENT, _("Font and Pa&ragraph...\tShift+Ctrl+F"));
 612     formatMenu->AppendSeparator();
 613     formatMenu->Append(ID_SWITCH_STYLE_SHEETS, _("&Switch Style Sheets"));
 614     formatMenu->Append(ID_MANAGE_STYLES, _("&Manage Styles"));
 615
 616     wxMenu* listsMenu = new wxMenu;
 617     listsMenu->Append(ID_FORMAT_BULLETS_AND_NUMBERING, _("Bullets and &Numbering..."));
 618     listsMenu->AppendSeparator();
 619     listsMenu->Append(ID_FORMAT_NUMBER_LIST, _("Number List"));
 620     listsMenu->Append(ID_FORMAT_ITEMIZE_LIST, _("Itemize List"));
 621     listsMenu->Append(ID_FORMAT_RENUMBER_LIST, _("Renumber List"));
 622     listsMenu->Append(ID_FORMAT_PROMOTE_LIST, _("Promote List Items"));
 623     listsMenu->Append(ID_FORMAT_DEMOTE_LIST, _("Demote List Items"));
 624     listsMenu->Append(ID_FORMAT_CLEAR_LIST, _("Clear List Formatting"));
 625
 626     wxMenu* insertMenu = new wxMenu;
 627     insertMenu->Append(ID_INSERT_SYMBOL, _("&Symbol...\tCtrl+I"));
 628     insertMenu->Append(ID_INSERT_URL, _("&URL..."));
 629
 630     // now append the freshly created menu to the menu bar...
 631     wxMenuBar *menuBar = new wxMenuBar();
 632     menuBar->Append(fileMenu, _T("&File"));
 633     menuBar->Append(editMenu, _T("&Edit"));
 634     menuBar->Append(formatMenu, _T("F&ormat"));
 635     menuBar->Append(listsMenu, _T("&Lists"));
 636     menuBar->Append(insertMenu, _T("&Insert"));
 637     menuBar->Append(helpMenu, _T("&Help"));
 638
 639     // ... and attach this menu bar to the frame
 640     SetMenuBar(menuBar);
 641
 642     // create a status bar just for fun (by default with 1 pane only)
 643     // but don't create it on limited screen space (WinCE)
 644     bool is_pda = wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA;
 645
 646 #if wxUSE_STATUSBAR
 647     if ( !is_pda )
 648     {
 649         CreateStatusBar(2);
 650         SetStatusText(_T("Welcome to wxRichTextCtrl!"));
 651     }
 652 #endif
 653
 654     wxToolBar* toolBar = CreateToolBar();
 655
 656     toolBar->AddTool(wxID_OPEN, wxBitmap(open_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Open"));
 657     toolBar->AddTool(wxID_SAVEAS, wxBitmap(save_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Save"));
 658     toolBar->AddSeparator();
 659     toolBar->AddTool(wxID_CUT, wxBitmap(cut_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Cut"));
 660     toolBar->AddTool(wxID_COPY, wxBitmap(copy_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Copy"));
 661     toolBar->AddTool(wxID_PASTE, wxBitmap(paste_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Paste"));
 662     toolBar->AddSeparator();
 663     toolBar->AddTool(wxID_UNDO, wxBitmap(undo_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Undo"));
 664     toolBar->AddTool(wxID_REDO, wxBitmap(redo_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Redo"));
 665     toolBar->AddSeparator();
 666     toolBar->AddTool(ID_FORMAT_BOLD, wxBitmap(bold_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Bold"));
 667     toolBar->AddTool(ID_FORMAT_ITALIC, wxBitmap(italic_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Italic"));
 668     toolBar->AddTool(ID_FORMAT_UNDERLINE, wxBitmap(underline_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Underline"));
 669     toolBar->AddSeparator();
 670     toolBar->AddTool(ID_FORMAT_ALIGN_LEFT, wxBitmap(alignleft_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Align Left"));
 671     toolBar->AddTool(ID_FORMAT_ALIGN_CENTRE, wxBitmap(centre_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Centre"));
 672     toolBar->AddTool(ID_FORMAT_ALIGN_RIGHT, wxBitmap(alignright_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Align Right"));
 673     toolBar->AddSeparator();
 674     toolBar->AddTool(ID_FORMAT_INDENT_LESS, wxBitmap(indentless_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Indent Less"));
 675     toolBar->AddTool(ID_FORMAT_INDENT_MORE, wxBitmap(indentmore_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Indent More"));
 676     toolBar->AddSeparator();
 677     toolBar->AddTool(ID_FORMAT_FONT, wxBitmap(font_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Font"));
 678
 679     wxRichTextStyleComboCtrl* combo = new wxRichTextStyleComboCtrl(toolBar, ID_RICHTEXT_STYLE_COMBO, wxDefaultPosition, wxSize(200, -1));
 680     toolBar->AddControl(combo);
 681
 682     toolBar->Realize();
 683
 684     wxSplitterWindow* splitter = new wxSplitterWindow(this, wxID_ANY, wxDefaultPosition, GetClientSize(), wxSP_NO_XP_THEME|wxSP_3D|wxSP_LIVE_UPDATE);
 685
 686     wxFont textFont = wxFont(12, wxROMAN, wxNORMAL, wxNORMAL);
 687     wxFont boldFont = wxFont(12, wxROMAN, wxNORMAL, wxBOLD);
 688     wxFont italicFont = wxFont(12, wxROMAN, wxITALIC, wxNORMAL);
 689
 690     m_richTextCtrl = new wxRichTextCtrl(splitter, ID_RICHTEXT_CTRL, wxEmptyString, wxDefaultPosition, wxSize(200, 200), wxVSCROLL|wxHSCROLL|wxNO_BORDER|wxWANTS_CHARS);
 691     wxFont font(12, wxROMAN, wxNORMAL, wxNORMAL);
 692
 693     m_richTextCtrl->SetFont(font);
 694
 695     m_richTextCtrl->SetStyleSheet(wxGetApp().GetStyleSheet());
 696
 697     combo->SetStyleSheet(wxGetApp().GetStyleSheet());
 698     combo->SetRichTextCtrl(m_richTextCtrl);
 699     combo->UpdateStyles();
 700
 701     wxRichTextStyleListCtrl* styleListCtrl = new wxRichTextStyleListCtrl(splitter, ID_RICHTEXT_STYLE_LIST);
 702
 703     wxSize display = wxGetDisplaySize();
 704     if ( is_pda && ( display.GetWidth() < display.GetHeight() ) )
 705     {
 706         splitter->SplitHorizontally(m_richTextCtrl, styleListCtrl);
 707     }
 708     else
 709     {
 710         splitter->SplitVertically(m_richTextCtrl, styleListCtrl, 500);
 711     }
 712
 713     splitter->UpdateSize();
 714
 715     styleListCtrl->SetStyleSheet(wxGetApp().GetStyleSheet());
 716     styleListCtrl->SetRichTextCtrl(m_richTextCtrl);
 717     styleListCtrl->UpdateStyles();
 718
 719     wxRichTextCtrl& r = *m_richTextCtrl;
 720
 721     r.BeginSuppressUndo();
 722
 723     r.BeginParagraphSpacing(0, 20);
 724
 725     r.BeginAlignment(wxTEXT_ALIGNMENT_CENTRE);
 726     r.BeginBold();
 727
 728     r.BeginFontSize(14);
 729     r.WriteText(wxT("Welcome to wxRichTextCtrl, a wxWidgets control for editing and presenting styled text and images"));
 730     r.EndFontSize();
 731     r.Newline();
 732
 733     r.BeginItalic();
 734     r.WriteText(wxT("by Julian Smart"));
 735     r.EndItalic();
 736
 737     r.EndBold();
 738     r.Newline();
 739
 740     r.WriteImage(wxBitmap(zebra_xpm));
 741
 742     r.EndAlignment();
 743
 744     r.Newline();
 745     r.Newline();
 746
 747     r.WriteText(wxT("What can you do with this thing? "));
 748
 749     r.WriteImage(wxBitmap(smiley_xpm));
 750     r.WriteText(wxT(" Well, you can change text "));
 751
 752     r.BeginTextColour(wxColour(255, 0, 0));
 753     r.WriteText(wxT("colour, like this red bit."));
 754     r.EndTextColour();
 755
 756     r.BeginTextColour(wxColour(0, 0, 255));
 757     r.WriteText(wxT(" And this blue bit."));
 758     r.EndTextColour();
 759
 760     r.WriteText(wxT(" Naturally you can make things "));
 761     r.BeginBold();
 762     r.WriteText(wxT("bold "));
 763     r.EndBold();
 764     r.BeginItalic();
 765     r.WriteText(wxT("or italic "));
 766     r.EndItalic();
 767     r.BeginUnderline();
 768     r.WriteText(wxT("or underlined."));
 769     r.EndUnderline();
 770
 771     r.BeginFontSize(14);
 772     r.WriteText(wxT(" Different font sizes on the same line is allowed, too."));
 773     r.EndFontSize();
 774
 775     r.WriteText(wxT(" Next we'll show an indented paragraph."));
 776
 777     r.BeginLeftIndent(60);
 778     r.Newline();
 779
 780     r.WriteText(wxT("It was in January, the most down-trodden month of an Edinburgh winter. An attractive woman came into the cafe, which is nothing remarkable."));
 781     r.EndLeftIndent();
 782
 783     r.Newline();
 784
 785     r.WriteText(wxT("Next, we'll show a first-line indent, achieved using BeginLeftIndent(100, -40)."));
 786
 787     r.BeginLeftIndent(100, -40);
 788     r.Newline();
 789
 790     r.WriteText(wxT("It was in January, the most down-trodden month of an Edinburgh winter. An attractive woman came into the cafe, which is nothing remarkable."));
 791     r.EndLeftIndent();
 792
 793     r.Newline();
 794
 795     r.WriteText(wxT("Numbered bullets are possible, again using subindents:"));
 796
 797     r.BeginNumberedBullet(1, 100, 60);
 798     r.Newline();
 799
 800     r.WriteText(wxT("This is my first item. Note that wxRichTextCtrl can apply numbering and bullets automatically based on list styles, but this list is formatted explicitly by setting indents."));
 801     r.EndNumberedBullet();
 802
 803     r.BeginNumberedBullet(2, 100, 60);
 804     r.Newline();
 805
 806     r.WriteText(wxT("This is my second item."));
 807     r.EndNumberedBullet();
 808
 809     r.Newline();
 810
 811     r.WriteText(wxT("The following paragraph is right-indented:"));
 812
 813     r.BeginRightIndent(200);
 814     r.Newline();
 815
 816     r.WriteText(wxT("It was in January, the most down-trodden month of an Edinburgh winter. An attractive woman came into the cafe, which is nothing remarkable."));
 817     r.EndRightIndent();
 818
 819     r.Newline();
 820
 821     r.WriteText(wxT("The following paragraph is right-aligned with 1.5 line spacing:"));
 822
 823     r.BeginAlignment(wxTEXT_ALIGNMENT_RIGHT);
 824     r.BeginLineSpacing(wxTEXT_ATTR_LINE_SPACING_HALF);
 825     r.Newline();
 826
 827     r.WriteText(wxT("It was in January, the most down-trodden month of an Edinburgh winter. An attractive woman came into the cafe, which is nothing remarkable."));
 828     r.EndLineSpacing();
 829     r.EndAlignment();
 830
 831     wxArrayInt tabs;
 832     tabs.Add(400);
 833     tabs.Add(600);
 834     tabs.Add(800);
 835     tabs.Add(1000);
 836     wxTextAttrEx attr;
 837     attr.SetFlags(wxTEXT_ATTR_TABS);
 838     attr.SetTabs(tabs);
 839     r.SetDefaultStyle(attr);
 840
 841     r.Newline();
 842     r.WriteText(wxT("This line contains tabs:\tFirst tab\tSecond tab\tThird tab"));
 843
 844     r.Newline();
 845     r.WriteText(wxT("Other notable features of wxRichTextCtrl include:"));
 846
 847     r.BeginSymbolBullet(wxT('*'), 100, 60);
 848     r.Newline();
 849     r.WriteText(wxT("Compatibility with wxTextCtrl API"));
 850     r.EndSymbolBullet();
 851
 852     r.BeginSymbolBullet(wxT('*'), 100, 60);
 853     r.Newline();
 854     r.WriteText(wxT("Easy stack-based BeginXXX()...EndXXX() style setting in addition to SetStyle()"));
 855     r.EndSymbolBullet();
 856
 857     r.BeginSymbolBullet(wxT('*'), 100, 60);
 858     r.Newline();
 859     r.WriteText(wxT("XML loading and saving"));
 860     r.EndSymbolBullet();
 861
 862     r.BeginSymbolBullet(wxT('*'), 100, 60);
 863     r.Newline();
 864     r.WriteText(wxT("Undo/Redo, with batching option and Undo suppressing"));
 865     r.EndSymbolBullet();
 866
 867     r.BeginSymbolBullet(wxT('*'), 100, 60);
 868     r.Newline();
 869     r.WriteText(wxT("Clipboard copy and paste"));
 870     r.EndSymbolBullet();
 871
 872     r.BeginSymbolBullet(wxT('*'), 100, 60);
 873     r.Newline();
 874     r.WriteText(wxT("wxRichTextStyleSheet with named character and paragraph styles, and control for applying named styles"));
 875     r.EndSymbolBullet();
 876
 877     r.BeginSymbolBullet(wxT('*'), 100, 60);
 878     r.Newline();
 879     r.WriteText(wxT("A design that can easily be extended to other content types, ultimately with text boxes, tables, controls, and so on"));
 880     r.EndSymbolBullet();
 881
 882     r.Newline();
 883
 884     // Make a style suitable for showing a URL
 885     wxRichTextAttr urlStyle;
 886     urlStyle.SetTextColour(*wxBLUE);
 887     urlStyle.SetFontUnderlined(true);
 888
 889     r.WriteText(wxT("wxRichTextCtrl can also display URLs, such as this one: "));
 890     r.BeginStyle(urlStyle);
 891     r.BeginURL(wxT("http://www.wxwidgets.org"));
 892     r.WriteText(wxT("The wxWidgets Web Site"));
 893     r.EndURL();
 894     r.EndStyle();
 895     r.WriteText(wxT(". Click on the URL to generate an event."));
 896
 897     r.Newline();
 898
 899     r.WriteText(wxT("Note: this sample content was generated programmatically from within the MyFrame constructor in the demo. The images were loaded from inline XPMs. Enjoy wxRichTextCtrl!"));
 900
 901     r.EndParagraphSpacing();
 902
 903     r.EndSuppressUndo();
 904 }
 905
 906
 907 // event handlers
 908
 909 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 910 {
 911     // true is to force the frame to close
 912     Close(true);
 913 }
 914
 915 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 916 {
 917     wxString msg;
 918     msg.Printf( _T("This is a demo for wxRichTextCtrl, a control for editing styled text.\n(c) Julian Smart, 2005"));
 919     wxMessageBox(msg, _T("About wxRichTextCtrl Sample"), wxOK | wxICON_INFORMATION, this);
 920 }
 921
 922 // Forward command events to the current rich text control, if any
 923 bool MyFrame::ProcessEvent(wxEvent& event)
 924 {
 925     if (event.IsCommandEvent() && !event.IsKindOf(CLASSINFO(wxChildFocusEvent)))
 926     {
 927         // Problem: we can get infinite recursion because the events
 928         // climb back up to this frame, and repeat.
 929         // Assume that command events don't cause another command event
 930         // to be called, so we can rely on inCommand not being overwritten
 931
 932         static int s_eventType = 0;
 933         static wxWindowID s_id = 0;
 934
 935         if (s_id != event.GetId() && s_eventType != event.GetEventType())
 936         {
 937             s_eventType = event.GetEventType();
 938             s_id = event.GetId();
 939
 940             wxWindow* focusWin = wxFindFocusDescendant(this);
 941             if (focusWin && focusWin->ProcessEvent(event))
 942             {
 943                 //s_command = NULL;
 944                 s_eventType = 0;
 945                 s_id = 0;
 946                 return true;
 947             }
 948
 949             s_eventType = 0;
 950             s_id = 0;
 951         }
 952         else
 953         {
 954             return false;
 955         }
 956     }
 957
 958     return wxFrame::ProcessEvent(event);
 959 }
 960
 961 void MyFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
 962 {
 963     wxString path;
 964     wxString filename;
 965     wxArrayInt fileTypes;
 966
 967     wxString filter = wxRichTextBuffer::GetExtWildcard(false, false, & fileTypes);
 968     if (!filter.empty())
 969         filter += wxT("|");
 970     filter += wxT("All files (*.*)|*.*");
 971
 972     wxFileDialog dialog(this,
 973         _("Choose a filename"),
 974         path,
 975         filename,
 976         filter,
 977         wxFD_OPEN);
 978
 979     if (dialog.ShowModal() == wxID_OK)
 980     {
 981         wxString path = dialog.GetPath();
 982
 983         if (!path.empty())
 984         {
 985             int filterIndex = dialog.GetFilterIndex();
 986             int fileType = (filterIndex < (int) fileTypes.GetCount())
 987                            ? fileTypes[filterIndex]
 988                            : wxRICHTEXT_TYPE_TEXT;
 989             m_richTextCtrl->LoadFile(path, fileType);
 990         }
 991     }
 992 }
 993
 994 void MyFrame::OnSave(wxCommandEvent& event)
 995 {
 996     if (m_richTextCtrl->GetFilename().empty())
 997     {
 998         OnSaveAs(event);
 999         return;
1000     }
1001     m_richTextCtrl->SaveFile();
1002 }
1003
1004 void MyFrame::OnSaveAs(wxCommandEvent& WXUNUSED(event))
1005 {
1006     wxString filter = wxRichTextBuffer::GetExtWildcard(false, true);
1007     wxString path;
1008     wxString filename;
1009
1010     wxFileDialog dialog(this,
1011         _("Choose a filename"),
1012         path,
1013         filename,
1014         filter,
1015         wxFD_SAVE);
1016
1017     if (dialog.ShowModal() == wxID_OK)
1018     {
1019         wxString path = dialog.GetPath();
1020
1021         if (!path.empty())
1022         {
1023             m_richTextCtrl->SaveFile(path);
1024         }
1025     }
1026 }
1027
1028 void MyFrame::OnBold(wxCommandEvent& WXUNUSED(event))
1029 {
1030     m_richTextCtrl->ApplyBoldToSelection();
1031 }
1032
1033 void MyFrame::OnItalic(wxCommandEvent& WXUNUSED(event))
1034 {
1035     m_richTextCtrl->ApplyItalicToSelection();
1036 }
1037
1038 void MyFrame::OnUnderline(wxCommandEvent& WXUNUSED(event))
1039 {
1040     m_richTextCtrl->ApplyUnderlineToSelection();
1041 }
1042
1043
1044 void MyFrame::OnUpdateBold(wxUpdateUIEvent& event)
1045 {
1046     event.Check(m_richTextCtrl->IsSelectionBold());
1047 }
1048
1049 void MyFrame::OnUpdateItalic(wxUpdateUIEvent& event)
1050 {
1051     event.Check(m_richTextCtrl->IsSelectionItalics());
1052 }
1053
1054 void MyFrame::OnUpdateUnderline(wxUpdateUIEvent& event)
1055 {
1056     event.Check(m_richTextCtrl->IsSelectionUnderlined());
1057 }
1058
1059 void MyFrame::OnAlignLeft(wxCommandEvent& WXUNUSED(event))
1060 {
1061     m_richTextCtrl->ApplyAlignmentToSelection(wxTEXT_ALIGNMENT_LEFT);
1062 }
1063
1064 void MyFrame::OnAlignCentre(wxCommandEvent& WXUNUSED(event))
1065 {
1066     m_richTextCtrl->ApplyAlignmentToSelection(wxTEXT_ALIGNMENT_CENTRE);
1067 }
1068
1069 void MyFrame::OnAlignRight(wxCommandEvent& WXUNUSED(event))
1070 {
1071     m_richTextCtrl->ApplyAlignmentToSelection(wxTEXT_ALIGNMENT_RIGHT);
1072 }
1073
1074 void MyFrame::OnUpdateAlignLeft(wxUpdateUIEvent& event)
1075 {
1076     event.Check(m_richTextCtrl->IsSelectionAligned(wxTEXT_ALIGNMENT_LEFT));
1077 }
1078
1079 void MyFrame::OnUpdateAlignCentre(wxUpdateUIEvent& event)
1080 {
1081     event.Check(m_richTextCtrl->IsSelectionAligned(wxTEXT_ALIGNMENT_CENTRE));
1082 }
1083
1084 void MyFrame::OnUpdateAlignRight(wxUpdateUIEvent& event)
1085 {
1086     event.Check(m_richTextCtrl->IsSelectionAligned(wxTEXT_ALIGNMENT_RIGHT));
1087 }
1088
1089 void MyFrame::OnFont(wxCommandEvent& WXUNUSED(event))
1090 {
1091     wxRichTextRange range;
1092     if (m_richTextCtrl->HasSelection())
1093         range = m_richTextCtrl->GetSelectionRange();
1094     else
1095         range = wxRichTextRange(0, m_richTextCtrl->GetLastPosition()+1);
1096
1097     int pages = wxRICHTEXT_FORMAT_FONT;
1098
1099     wxRichTextFormattingDialog formatDlg(pages, this);
1100     formatDlg.GetStyle(m_richTextCtrl, range);
1101
1102     if (formatDlg.ShowModal() == wxID_OK)
1103     {
1104         formatDlg.ApplyStyle(m_richTextCtrl, range, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY);
1105     }
1106
1107     // Old method using wxFontDialog
1108 #if 0
1109     if (!m_richTextCtrl->HasSelection())
1110         return;
1111
1112     wxRichTextRange range = m_richTextCtrl->GetSelectionRange();
1113     wxFontData fontData;
1114
1115     wxTextAttrEx attr;
1116     attr.SetFlags(wxTEXT_ATTR_FONT);
1117
1118     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1119         fontData.SetInitialFont(attr.GetFont());
1120
1121     wxFontDialog dialog(this, fontData);
1122     if (dialog.ShowModal() == wxID_OK)
1123     {
1124         fontData = dialog.GetFontData();
1125         attr.SetFlags(wxTEXT_ATTR_FONT);
1126         attr.SetFont(fontData.GetChosenFont());
1127         if (attr.GetFont().Ok())
1128         {
1129             m_richTextCtrl->SetStyle(range, attr);
1130         }
1131     }
1132 #endif
1133 }
1134
1135 void MyFrame::OnParagraph(wxCommandEvent& WXUNUSED(event))
1136 {
1137     wxRichTextRange range;
1138     if (m_richTextCtrl->HasSelection())
1139         range = m_richTextCtrl->GetSelectionRange();
1140     else
1141         range = wxRichTextRange(0, m_richTextCtrl->GetLastPosition()+1);
1142
1143     int pages = wxRICHTEXT_FORMAT_INDENTS_SPACING|wxRICHTEXT_FORMAT_TABS|wxRICHTEXT_FORMAT_BULLETS;
1144
1145     wxRichTextFormattingDialog formatDlg(pages, this);
1146     formatDlg.GetStyle(m_richTextCtrl, range);
1147
1148     if (formatDlg.ShowModal() == wxID_OK)
1149     {
1150         formatDlg.ApplyStyle(m_richTextCtrl, range);
1151     }
1152 }
1153
1154 void MyFrame::OnFormat(wxCommandEvent& WXUNUSED(event))
1155 {
1156     wxRichTextRange range;
1157     if (m_richTextCtrl->HasSelection())
1158         range = m_richTextCtrl->GetSelectionRange();
1159     else
1160         range = wxRichTextRange(0, m_richTextCtrl->GetLastPosition()+1);
1161
1162     int pages = wxRICHTEXT_FORMAT_FONT|wxRICHTEXT_FORMAT_INDENTS_SPACING|wxRICHTEXT_FORMAT_TABS|wxRICHTEXT_FORMAT_BULLETS;
1163
1164     wxRichTextFormattingDialog formatDlg(pages, this);
1165     formatDlg.GetStyle(m_richTextCtrl, range);
1166
1167     if (formatDlg.ShowModal() == wxID_OK)
1168     {
1169         formatDlg.ApplyStyle(m_richTextCtrl, range);
1170     }
1171 }
1172
1173 void MyFrame::OnUpdateFormat(wxUpdateUIEvent& event)
1174 {
1175     event.Enable(m_richTextCtrl->HasSelection());
1176 }
1177
1178 void MyFrame::OnIndentMore(wxCommandEvent& WXUNUSED(event))
1179 {
1180     wxTextAttrEx attr;
1181     attr.SetFlags(wxTEXT_ATTR_LEFT_INDENT);
1182
1183     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1184     {
1185         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1186         if (m_richTextCtrl->HasSelection())
1187             range = m_richTextCtrl->GetSelectionRange();
1188
1189         wxFontData fontData;
1190         attr.SetLeftIndent(attr.GetLeftIndent() + 100);
1191
1192         attr.SetFlags(wxTEXT_ATTR_LEFT_INDENT);
1193         m_richTextCtrl->SetStyle(range, attr);
1194     }
1195 }
1196
1197 void MyFrame::OnIndentLess(wxCommandEvent& WXUNUSED(event))
1198 {
1199     wxTextAttrEx attr;
1200     attr.SetFlags(wxTEXT_ATTR_LEFT_INDENT);
1201
1202     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1203     {
1204         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1205         if (m_richTextCtrl->HasSelection())
1206             range = m_richTextCtrl->GetSelectionRange();
1207
1208         if (attr.GetLeftIndent() >= 100)
1209         {
1210             wxFontData fontData;
1211             attr.SetLeftIndent(attr.GetLeftIndent() - 100);
1212
1213             m_richTextCtrl->SetStyle(range, attr);
1214         }
1215     }
1216 }
1217
1218 void MyFrame::OnLineSpacingHalf(wxCommandEvent& WXUNUSED(event))
1219 {
1220     wxTextAttrEx attr;
1221     attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1222
1223     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1224     {
1225         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1226         if (m_richTextCtrl->HasSelection())
1227             range = m_richTextCtrl->GetSelectionRange();
1228
1229         wxFontData fontData;
1230         attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1231         attr.SetLineSpacing(15);
1232
1233         m_richTextCtrl->SetStyle(range, attr);
1234     }
1235 }
1236
1237 void MyFrame::OnLineSpacingDouble(wxCommandEvent& WXUNUSED(event))
1238 {
1239     wxTextAttrEx attr;
1240     attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1241
1242     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1243     {
1244         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1245         if (m_richTextCtrl->HasSelection())
1246             range = m_richTextCtrl->GetSelectionRange();
1247
1248         wxFontData fontData;
1249         attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1250         attr.SetLineSpacing(20);
1251
1252         m_richTextCtrl->SetStyle(range, attr);
1253     }
1254 }
1255
1256 void MyFrame::OnLineSpacingSingle(wxCommandEvent& WXUNUSED(event))
1257 {
1258     wxTextAttrEx attr;
1259     attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1260
1261     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1262     {
1263         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1264         if (m_richTextCtrl->HasSelection())
1265             range = m_richTextCtrl->GetSelectionRange();
1266
1267         wxFontData fontData;
1268         attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1269         attr.SetLineSpacing(0); // Can also use 10
1270
1271         m_richTextCtrl->SetStyle(range, attr);
1272     }
1273 }
1274
1275 void MyFrame::OnParagraphSpacingMore(wxCommandEvent& WXUNUSED(event))
1276 {
1277     wxTextAttrEx attr;
1278     attr.SetFlags(wxTEXT_ATTR_PARA_SPACING_AFTER);
1279
1280     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1281     {
1282         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1283         if (m_richTextCtrl->HasSelection())
1284             range = m_richTextCtrl->GetSelectionRange();
1285
1286         wxFontData fontData;
1287         attr.SetParagraphSpacingAfter(attr.GetParagraphSpacingAfter() + 20);
1288
1289         attr.SetFlags(wxTEXT_ATTR_PARA_SPACING_AFTER);
1290         m_richTextCtrl->SetStyle(range, attr);
1291     }
1292 }
1293
1294 void MyFrame::OnParagraphSpacingLess(wxCommandEvent& WXUNUSED(event))
1295 {
1296     wxTextAttrEx attr;
1297     attr.SetFlags(wxTEXT_ATTR_PARA_SPACING_AFTER);
1298
1299     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1300     {
1301         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1302         if (m_richTextCtrl->HasSelection())
1303             range = m_richTextCtrl->GetSelectionRange();
1304
1305         if (attr.GetParagraphSpacingAfter() >= 20)
1306         {
1307             wxFontData fontData;
1308             attr.SetParagraphSpacingAfter(attr.GetParagraphSpacingAfter() - 20);
1309
1310             attr.SetFlags(wxTEXT_ATTR_PARA_SPACING_AFTER);
1311             m_richTextCtrl->SetStyle(range, attr);
1312         }
1313     }
1314 }
1315
1316 void MyFrame::OnViewHTML(wxCommandEvent& WXUNUSED(event))
1317 {
1318     wxDialog dialog(this, wxID_ANY, _("HTML"), wxDefaultPosition, wxSize(500, 400), wxDEFAULT_DIALOG_STYLE);
1319
1320     wxBoxSizer* boxSizer = new wxBoxSizer(wxVERTICAL);
1321     dialog.SetSizer(boxSizer);
1322
1323     wxHtmlWindow* win = new wxHtmlWindow(& dialog, wxID_ANY, wxDefaultPosition, wxSize(500, 400), wxSUNKEN_BORDER);
1324     boxSizer->Add(win, 1, wxALL, 5);
1325
1326     wxButton* cancelButton = new wxButton(& dialog, wxID_CANCEL, wxT("&Close"));
1327     boxSizer->Add(cancelButton, 0, wxALL|wxCENTRE, 5);
1328
1329     wxString text;
1330     wxStringOutputStream strStream(& text);
1331
1332     wxRichTextHTMLHandler htmlHandler;
1333     htmlHandler.SetFlags(wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_MEMORY);
1334
1335     if (htmlHandler.SaveFile(& m_richTextCtrl->GetBuffer(), strStream))
1336     {
1337         win->SetPage(text);
1338     }
1339
1340     boxSizer->Fit(& dialog);
1341
1342     dialog.ShowModal();
1343
1344     // Now delete the temporary in-memory images
1345     htmlHandler.DeleteTemporaryImages();
1346 }
1347
1348 // Demonstrates how you can change the style sheets and have the changes
1349 // reflected in the control content without wiping out character formatting.
1350
1351 void MyFrame::OnSwitchStyleSheets(wxCommandEvent& WXUNUSED(event))
1352 {
1353     static wxRichTextStyleSheet* gs_AlternateStyleSheet = NULL;
1354
1355     wxRichTextStyleListCtrl *styleList = (wxRichTextStyleListCtrl*) FindWindow(ID_RICHTEXT_STYLE_LIST);
1356     wxRichTextStyleComboCtrl* styleCombo = (wxRichTextStyleComboCtrl*) FindWindow(ID_RICHTEXT_STYLE_COMBO);
1357
1358     wxRichTextStyleSheet* sheet = m_richTextCtrl->GetStyleSheet();
1359
1360     // One-time creation of an alternate style sheet
1361     if (!gs_AlternateStyleSheet)
1362     {
1363         gs_AlternateStyleSheet = new wxRichTextStyleSheet(*sheet);
1364
1365         // Make some modifications
1366         for (int i = 0; i < (int) gs_AlternateStyleSheet->GetParagraphStyleCount(); i++)
1367         {
1368             wxRichTextParagraphStyleDefinition* def = gs_AlternateStyleSheet->GetParagraphStyle(i);
1369
1370             if (def->GetStyle().HasTextColour())
1371                 def->GetStyle().SetTextColour(*wxBLUE);
1372
1373             if (def->GetStyle().HasAlignment())
1374             {
1375                 if (def->GetStyle().GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
1376                     def->GetStyle().SetAlignment(wxTEXT_ALIGNMENT_RIGHT);
1377                 else if (def->GetStyle().GetAlignment() == wxTEXT_ALIGNMENT_LEFT)
1378                     def->GetStyle().SetAlignment(wxTEXT_ALIGNMENT_CENTRE);
1379             }
1380             if (def->GetStyle().HasLeftIndent())
1381             {
1382                 def->GetStyle().SetLeftIndent(def->GetStyle().GetLeftIndent() * 2);
1383             }
1384         }
1385     }
1386
1387     // Switch sheets
1388     wxRichTextStyleSheet* tmp = gs_AlternateStyleSheet;
1389     gs_AlternateStyleSheet = sheet;
1390     sheet = tmp;
1391
1392     m_richTextCtrl->SetStyleSheet(sheet);
1393     m_richTextCtrl->ApplyStyleSheet(sheet); // Makes the control reflect the new style definitions
1394
1395     styleList->SetStyleSheet(sheet);
1396     styleList->UpdateStyles();
1397
1398     styleCombo->SetStyleSheet(sheet);
1399     styleCombo->UpdateStyles();
1400 }
1401
1402 void MyFrame::OnManageStyles(wxCommandEvent& WXUNUSED(event))
1403 {
1404     wxRichTextStyleSheet* sheet = m_richTextCtrl->GetStyleSheet();
1405
1406     int flags = wxRICHTEXT_ORGANISER_CREATE_STYLES|wxRICHTEXT_ORGANISER_EDIT_STYLES;
1407
1408     wxRichTextStyleOrganiserDialog dlg(flags, sheet, NULL, this, wxID_ANY, _("Style Manager"));
1409     dlg.ShowModal();
1410 }
1411
1412 void MyFrame::OnInsertSymbol(wxCommandEvent& WXUNUSED(event))
1413 {
1414     wxTextAttrEx attr;
1415     attr.SetFlags(wxTEXT_ATTR_FONT);
1416     m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr);
1417
1418     wxString currentFontName;
1419     if (attr.HasFont() && attr.GetFont().Ok())
1420         currentFontName = attr.GetFont().GetFaceName();
1421
1422     // Don't set the initial font in the dialog (so the user is choosing
1423     // 'normal text', i.e. the current font) but do tell the dialog
1424     // what 'normal text' is.
1425
1426     wxSymbolPickerDialog dlg(wxT("*"), wxEmptyString, currentFontName, this);
1427
1428     if (dlg.ShowModal() == wxID_OK)
1429     {
1430         if (dlg.HasSelection())
1431         {
1432             long insertionPoint = m_richTextCtrl->GetInsertionPoint();
1433
1434             m_richTextCtrl->WriteText(dlg.GetSymbol());
1435
1436             if (!dlg.UseNormalFont())
1437             {
1438                 wxFont font(attr.GetFont());
1439                 font.SetFaceName(dlg.GetFontName());
1440                 attr.SetFont(font);
1441                 m_richTextCtrl->SetStyle(insertionPoint, insertionPoint+1, attr);
1442             }
1443         }
1444     }
1445 }
1446
1447 void MyFrame::OnNumberList(wxCommandEvent& WXUNUSED(event))
1448 {
1449     if (m_richTextCtrl->HasSelection())
1450     {
1451         wxRichTextRange range = m_richTextCtrl->GetSelectionRange();
1452         m_richTextCtrl->SetListStyle(range, wxT("Numbered List 1"), wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_RENUMBER);
1453     }
1454 }
1455
1456 void MyFrame::OnBulletsAndNumbering(wxCommandEvent& WXUNUSED(event))
1457 {
1458     wxRichTextStyleSheet* sheet = m_richTextCtrl->GetStyleSheet();
1459
1460     int flags = wxRICHTEXT_ORGANISER_BROWSE_NUMBERING;
1461
1462     wxRichTextStyleOrganiserDialog dlg(flags, sheet, m_richTextCtrl, this, wxID_ANY, _("Bullets and Numbering"));
1463     if (dlg.ShowModal() == wxID_OK)
1464     {
1465         if (dlg.GetSelectedStyleDefinition())
1466             dlg.ApplyStyle();
1467     }
1468 }
1469
1470 void MyFrame::OnItemizeList(wxCommandEvent& WXUNUSED(event))
1471 {
1472     if (m_richTextCtrl->HasSelection())
1473     {
1474         wxRichTextRange range = m_richTextCtrl->GetSelectionRange();
1475         m_richTextCtrl->SetListStyle(range, wxT("Bullet List 1"));
1476     }
1477 }
1478
1479 void MyFrame::OnRenumberList(wxCommandEvent& WXUNUSED(event))
1480 {
1481     if (m_richTextCtrl->HasSelection())
1482     {
1483         wxRichTextRange range = m_richTextCtrl->GetSelectionRange();
1484         m_richTextCtrl->NumberList(range, NULL, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_RENUMBER);
1485     }
1486 }
1487
1488 void MyFrame::OnPromoteList(wxCommandEvent& WXUNUSED(event))
1489 {
1490     if (m_richTextCtrl->HasSelection())
1491     {
1492         wxRichTextRange range = m_richTextCtrl->GetSelectionRange();
1493         m_richTextCtrl->PromoteList(1, range, NULL);
1494     }
1495 }
1496
1497 void MyFrame::OnDemoteList(wxCommandEvent& WXUNUSED(event))
1498 {
1499     if (m_richTextCtrl->HasSelection())
1500     {
1501         wxRichTextRange range = m_richTextCtrl->GetSelectionRange();
1502         m_richTextCtrl->PromoteList(-1, range, NULL);
1503     }
1504 }
1505
1506 void MyFrame::OnClearList(wxCommandEvent& WXUNUSED(event))
1507 {
1508     if (m_richTextCtrl->HasSelection())
1509     {
1510         wxRichTextRange range = m_richTextCtrl->GetSelectionRange();
1511         m_richTextCtrl->ClearListStyle(range);
1512     }
1513 }
1514
1515 void MyFrame::OnInsertURL(wxCommandEvent& WXUNUSED(event))
1516 {
1517     wxString url = wxGetTextFromUser(_("URL:"), _("Insert URL"));
1518     if (!url.IsEmpty())
1519     {
1520         // Make a style suitable for showing a URL
1521         wxRichTextAttr urlStyle;
1522         urlStyle.SetTextColour(*wxBLUE);
1523         urlStyle.SetFontUnderlined(true);
1524
1525         m_richTextCtrl->BeginStyle(urlStyle);
1526         m_richTextCtrl->BeginURL(url);
1527         m_richTextCtrl->WriteText(url);
1528         m_richTextCtrl->EndURL();
1529         m_richTextCtrl->EndStyle();
1530     }
1531 }
1532
1533 void MyFrame::OnURL(wxTextUrlEvent& event)
1534 {
1535     wxMessageBox(event.GetString());
1536 }
1537
1538 // Veto style sheet replace events when loading from XML, since we want
1539 // to keep the original style sheet.
1540 void MyFrame::OnStyleSheetReplacing(wxRichTextEvent& event)
1541 {
1542     event.Veto();
1543 }
1544
1545 void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event))
1546 {
1547     wxGetApp().GetPrinting()->PrintBuffer(m_richTextCtrl->GetBuffer());
1548 }
1549
1550 void MyFrame::OnPreview(wxCommandEvent& WXUNUSED(event))
1551 {
1552     wxGetApp().GetPrinting()->PreviewBuffer(m_richTextCtrl->GetBuffer());
1553 }
1554
1555 void MyFrame::OnPageSetup(wxCommandEvent& WXUNUSED(event))
1556 {
1557     wxGetApp().GetPrinting()->PageSetup();
1558 }