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 #ifndef __WXMSW__
  39     #include "../sample.xpm"
  40 #endif
  41
  42 #include "bitmaps/smiley.xpm"
  43 // #include "bitmaps/idea.xpm"
  44 #include "bitmaps/zebra.xpm"
  45
  46 #include "bitmaps/open.xpm"
  47 #include "bitmaps/save.xpm"
  48 #include "bitmaps/copy.xpm"
  49 #include "bitmaps/cut.xpm"
  50 #include "bitmaps/paste.xpm"
  51 #include "bitmaps/undo.xpm"
  52 #include "bitmaps/redo.xpm"
  53 #include "bitmaps/bold.xpm"
  54 #include "bitmaps/italic.xpm"
  55 #include "bitmaps/underline.xpm"
  56
  57 #include "bitmaps/alignleft.xpm"
  58 #include "bitmaps/alignright.xpm"
  59 #include "bitmaps/centre.xpm"
  60 #include "bitmaps/font.xpm"
  61 #include "bitmaps/indentless.xpm"
  62 #include "bitmaps/indentmore.xpm"
  63
  64 #include "wx/richtext/richtextctrl.h"
  65 #include "wx/richtext/richtextstyles.h"
  66 #include "wx/richtext/richtextxml.h"
  67 #include "wx/richtext/richtexthtml.h"
  68
  69 // ----------------------------------------------------------------------------
  70 // resources
  71 // ----------------------------------------------------------------------------
  72
  73 // ----------------------------------------------------------------------------
  74 // private classes
  75 // ----------------------------------------------------------------------------
  76
  77 // Define a new application type, each program should derive a class from wxApp
  78 class MyApp : public wxApp
  79 {
  80 public:
  81     // override base class virtuals
  82     // ----------------------------
  83
  84     // this one is called on application startup and is a good place for the app
  85     // initialization (doing it here and not in the ctor allows to have an error
  86     // return: if OnInit() returns false, the application terminates)
  87     virtual bool OnInit();
  88     virtual int OnExit();
  89
  90     void CreateStyles();
  91
  92     wxRichTextStyleSheet* GetStyleSheet() const { return m_styleSheet; }
  93
  94     wxRichTextStyleSheet* m_styleSheet;
  95 };
  96
  97 // Define a new frame type: this is going to be our main frame
  98 class MyFrame : public wxFrame
  99 {
 100 public:
 101     // ctor(s)
 102     MyFrame(const wxString& title, wxWindowID id, const wxPoint& pos = wxDefaultPosition,
 103         const wxSize& size = wxDefaultSize, long style = wxDEFAULT_FRAME_STYLE);
 104
 105     // event handlers (these functions should _not_ be virtual)
 106     void OnQuit(wxCommandEvent& event);
 107     void OnAbout(wxCommandEvent& event);
 108
 109     void OnOpen(wxCommandEvent& event);
 110     void OnSave(wxCommandEvent& event);
 111     void OnSaveAs(wxCommandEvent& event);
 112
 113     void OnBold(wxCommandEvent& event);
 114     void OnItalic(wxCommandEvent& event);
 115     void OnUnderline(wxCommandEvent& event);
 116
 117     void OnUpdateBold(wxUpdateUIEvent& event);
 118     void OnUpdateItalic(wxUpdateUIEvent& event);
 119     void OnUpdateUnderline(wxUpdateUIEvent& event);
 120
 121     void OnAlignLeft(wxCommandEvent& event);
 122     void OnAlignCentre(wxCommandEvent& event);
 123     void OnAlignRight(wxCommandEvent& event);
 124
 125     void OnUpdateAlignLeft(wxUpdateUIEvent& event);
 126     void OnUpdateAlignCentre(wxUpdateUIEvent& event);
 127     void OnUpdateAlignRight(wxUpdateUIEvent& event);
 128
 129     void OnFont(wxCommandEvent& event);
 130     void OnIndentMore(wxCommandEvent& event);
 131     void OnIndentLess(wxCommandEvent& event);
 132
 133     void OnLineSpacingHalf(wxCommandEvent& event);
 134     void OnLineSpacingDouble(wxCommandEvent& event);
 135     void OnLineSpacingSingle(wxCommandEvent& event);
 136
 137     void OnParagraphSpacingMore(wxCommandEvent& event);
 138     void OnParagraphSpacingLess(wxCommandEvent& event);
 139
 140     void OnViewHTML(wxCommandEvent& event);
 141
 142     // Forward command events to the current rich text control, if any
 143     bool ProcessEvent(wxEvent& event);
 144
 145 private:
 146     // any class wishing to process wxWidgets events must use this macro
 147     DECLARE_EVENT_TABLE()
 148
 149     wxRichTextCtrl*         m_richTextCtrl;
 150 };
 151
 152 // ----------------------------------------------------------------------------
 153 // constants
 154 // ----------------------------------------------------------------------------
 155
 156 // IDs for the controls and the menu commands
 157 enum
 158 {
 159     // menu items
 160     ID_Quit = wxID_EXIT,
 161     ID_About = wxID_ABOUT,
 162
 163     ID_FORMAT_BOLD = 100,
 164     ID_FORMAT_ITALIC,
 165     ID_FORMAT_UNDERLINE,
 166     ID_FORMAT_FONT,
 167
 168     ID_FORMAT_ALIGN_LEFT,
 169     ID_FORMAT_ALIGN_CENTRE,
 170     ID_FORMAT_ALIGN_RIGHT,
 171
 172     ID_FORMAT_INDENT_MORE,
 173     ID_FORMAT_INDENT_LESS,
 174
 175     ID_FORMAT_PARAGRAPH_SPACING_MORE,
 176     ID_FORMAT_PARAGRAPH_SPACING_LESS,
 177
 178     ID_FORMAT_LINE_SPACING_HALF,
 179     ID_FORMAT_LINE_SPACING_DOUBLE,
 180     ID_FORMAT_LINE_SPACING_SINGLE,
 181
 182     ID_VIEW_HTML
 183 };
 184
 185 // ----------------------------------------------------------------------------
 186 // event tables and other macros for wxWidgets
 187 // ----------------------------------------------------------------------------
 188
 189 // the event tables connect the wxWidgets events with the functions (event
 190 // handlers) which process them. It can be also done at run-time, but for the
 191 // simple menu events like this the static method is much simpler.
 192 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 193     EVT_MENU(ID_Quit,  MyFrame::OnQuit)
 194     EVT_MENU(ID_About, MyFrame::OnAbout)
 195
 196     EVT_MENU(wxID_OPEN,  MyFrame::OnOpen)
 197     EVT_MENU(wxID_SAVE,  MyFrame::OnSave)
 198     EVT_MENU(wxID_SAVEAS,  MyFrame::OnSaveAs)
 199
 200     EVT_MENU(ID_FORMAT_BOLD,  MyFrame::OnBold)
 201     EVT_MENU(ID_FORMAT_ITALIC,  MyFrame::OnItalic)
 202     EVT_MENU(ID_FORMAT_UNDERLINE,  MyFrame::OnUnderline)
 203
 204     EVT_UPDATE_UI(ID_FORMAT_BOLD,  MyFrame::OnUpdateBold)
 205     EVT_UPDATE_UI(ID_FORMAT_ITALIC,  MyFrame::OnUpdateItalic)
 206     EVT_UPDATE_UI(ID_FORMAT_UNDERLINE,  MyFrame::OnUpdateUnderline)
 207
 208     EVT_MENU(ID_FORMAT_ALIGN_LEFT,  MyFrame::OnAlignLeft)
 209     EVT_MENU(ID_FORMAT_ALIGN_CENTRE,  MyFrame::OnAlignCentre)
 210     EVT_MENU(ID_FORMAT_ALIGN_RIGHT,  MyFrame::OnAlignRight)
 211
 212     EVT_UPDATE_UI(ID_FORMAT_ALIGN_LEFT,  MyFrame::OnUpdateAlignLeft)
 213     EVT_UPDATE_UI(ID_FORMAT_ALIGN_CENTRE,  MyFrame::OnUpdateAlignCentre)
 214     EVT_UPDATE_UI(ID_FORMAT_ALIGN_RIGHT,  MyFrame::OnUpdateAlignRight)
 215
 216     EVT_MENU(ID_FORMAT_FONT,  MyFrame::OnFont)
 217     EVT_MENU(ID_FORMAT_INDENT_MORE,  MyFrame::OnIndentMore)
 218     EVT_MENU(ID_FORMAT_INDENT_LESS,  MyFrame::OnIndentLess)
 219
 220     EVT_MENU(ID_FORMAT_LINE_SPACING_HALF,  MyFrame::OnLineSpacingHalf)
 221     EVT_MENU(ID_FORMAT_LINE_SPACING_SINGLE,  MyFrame::OnLineSpacingSingle)
 222     EVT_MENU(ID_FORMAT_LINE_SPACING_DOUBLE,  MyFrame::OnLineSpacingDouble)
 223
 224     EVT_MENU(ID_FORMAT_PARAGRAPH_SPACING_MORE,  MyFrame::OnParagraphSpacingMore)
 225     EVT_MENU(ID_FORMAT_PARAGRAPH_SPACING_LESS,  MyFrame::OnParagraphSpacingLess)
 226
 227     EVT_MENU(ID_VIEW_HTML, MyFrame::OnViewHTML)
 228 END_EVENT_TABLE()
 229
 230 // Create a new application object: this macro will allow wxWidgets to create
 231 // the application object during program execution (it's better than using a
 232 // static object for many reasons) and also implements the accessor function
 233 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 234 // not wxApp)
 235 IMPLEMENT_APP(MyApp)
 236
 237 // ============================================================================
 238 // implementation
 239 // ============================================================================
 240
 241 // ----------------------------------------------------------------------------
 242 // the application class
 243 // ----------------------------------------------------------------------------
 244
 245 // 'Main program' equivalent: the program execution "starts" here
 246 bool MyApp::OnInit()
 247 {
 248     m_styleSheet = new wxRichTextStyleSheet;
 249
 250     CreateStyles();
 251
 252     // Add extra handlers (plain text is automatically added)
 253     wxRichTextBuffer::AddHandler(new wxRichTextXMLHandler);
 254     wxRichTextBuffer::AddHandler(new wxRichTextHTMLHandler);
 255
 256     // Add image handlers
 257 #if wxUSE_LIBPNG
 258     wxImage::AddHandler( new wxPNGHandler );
 259 #endif
 260
 261 #if wxUSE_LIBJPEG
 262     wxImage::AddHandler( new wxJPEGHandler );
 263 #endif
 264
 265 #if wxUSE_GIF
 266     wxImage::AddHandler( new wxGIFHandler );
 267 #endif
 268
 269     // create the main application window
 270     MyFrame *frame = new MyFrame(_T("wxRichTextCtrl Sample"), wxID_ANY, wxDefaultPosition, wxSize(600, 500));
 271
 272     // and show it (the frames, unlike simple controls, are not shown when
 273     // created initially)
 274     frame->Show(true);
 275
 276     // success: wxApp::OnRun() will be called which will enter the main message
 277     // loop and the application will run. If we returned false here, the
 278     // application would exit immediately.
 279     return true;
 280 }
 281
 282 int MyApp::OnExit()
 283 {
 284     delete m_styleSheet;
 285     return 0;
 286 }
 287
 288 void MyApp::CreateStyles()
 289 {
 290     // Paragraph styles
 291
 292     wxFont romanFont(12, wxROMAN, wxNORMAL, wxNORMAL);
 293     wxFont swissFont(12, wxSWISS, wxNORMAL, wxNORMAL);
 294
 295     wxRichTextParagraphStyleDefinition* normalPara = new wxRichTextParagraphStyleDefinition(wxT("Normal"));
 296     wxRichTextAttr normalAttr;
 297     normalAttr.SetFontFaceName(romanFont.GetFaceName());
 298     normalAttr.SetFontSize(12);
 299     // Let's set all attributes for this style
 300     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|
 301                             wxTEXT_ATTR_PARA_SPACING_BEFORE|wxTEXT_ATTR_PARA_SPACING_AFTER|wxTEXT_ATTR_LINE_SPACING|
 302                             wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_BULLET_NUMBER);
 303     normalPara->SetStyle(normalAttr);
 304
 305     m_styleSheet->AddParagraphStyle(normalPara);
 306
 307     wxRichTextParagraphStyleDefinition* indentedPara = new wxRichTextParagraphStyleDefinition(wxT("Indented"));
 308     wxRichTextAttr indentedAttr;
 309     indentedAttr.SetFontFaceName(romanFont.GetFaceName());
 310     indentedAttr.SetFontSize(12);
 311     indentedAttr.SetLeftIndent(100, 0);
 312     // We only want to affect indentation
 313     indentedAttr.SetFlags(wxTEXT_ATTR_LEFT_INDENT|wxTEXT_ATTR_RIGHT_INDENT);
 314     indentedPara->SetStyle(indentedAttr);
 315
 316     m_styleSheet->AddParagraphStyle(indentedPara);
 317
 318     wxRichTextParagraphStyleDefinition* indentedPara2 = new wxRichTextParagraphStyleDefinition(wxT("Red Bold Indented"));
 319     wxRichTextAttr indentedAttr2;
 320     indentedAttr2.SetFontFaceName(romanFont.GetFaceName());
 321     indentedAttr2.SetFontSize(12);
 322     indentedAttr2.SetFontWeight(wxBOLD);
 323     indentedAttr2.SetTextColour(*wxRED);
 324     indentedAttr2.SetFontSize(12);
 325     indentedAttr2.SetLeftIndent(100, 0);
 326     // We want to affect indentation, font and text colour
 327     indentedAttr2.SetFlags(wxTEXT_ATTR_LEFT_INDENT|wxTEXT_ATTR_RIGHT_INDENT|wxTEXT_ATTR_FONT|wxTEXT_ATTR_TEXT_COLOUR);
 328     indentedPara2->SetStyle(indentedAttr2);
 329
 330     m_styleSheet->AddParagraphStyle(indentedPara2);
 331
 332     wxRichTextParagraphStyleDefinition* flIndentedPara = new wxRichTextParagraphStyleDefinition(wxT("First Line Indented"));
 333     wxRichTextAttr flIndentedAttr;
 334     flIndentedAttr.SetFontFaceName(swissFont.GetFaceName());
 335     flIndentedAttr.SetFontSize(12);
 336     flIndentedAttr.SetLeftIndent(100, -100);
 337     // We only want to affect indentation
 338     flIndentedAttr.SetFlags(wxTEXT_ATTR_LEFT_INDENT|wxTEXT_ATTR_RIGHT_INDENT);
 339     flIndentedPara->SetStyle(flIndentedAttr);
 340
 341     m_styleSheet->AddParagraphStyle(flIndentedPara);
 342
 343     // Character styles
 344
 345     wxRichTextCharacterStyleDefinition* boldDef = new wxRichTextCharacterStyleDefinition(wxT("Bold"));
 346     wxRichTextAttr boldAttr;
 347     boldAttr.SetFontFaceName(romanFont.GetFaceName());
 348     boldAttr.SetFontSize(12);
 349     boldAttr.SetFontWeight(wxBOLD);
 350     // We only want to affect boldness
 351     boldAttr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
 352     boldDef->SetStyle(boldAttr);
 353
 354     m_styleSheet->AddCharacterStyle(boldDef);
 355
 356     wxRichTextCharacterStyleDefinition* italicDef = new wxRichTextCharacterStyleDefinition(wxT("Italic"));
 357     wxRichTextAttr italicAttr;
 358     italicAttr.SetFontFaceName(romanFont.GetFaceName());
 359     italicAttr.SetFontSize(12);
 360     italicAttr.SetFontStyle(wxITALIC);
 361     // We only want to affect italics
 362     italicAttr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
 363     italicDef->SetStyle(italicAttr);
 364
 365     m_styleSheet->AddCharacterStyle(italicDef);
 366
 367     wxRichTextCharacterStyleDefinition* redDef = new wxRichTextCharacterStyleDefinition(wxT("Red Bold"));
 368     wxRichTextAttr redAttr;
 369     redAttr.SetFontFaceName(romanFont.GetFaceName());
 370     redAttr.SetFontSize(12);
 371     redAttr.SetFontWeight(wxBOLD);
 372     redAttr.SetTextColour(*wxRED);
 373     // We only want to affect colour, weight and face
 374     redAttr.SetFlags(wxTEXT_ATTR_FONT_FACE|wxTEXT_ATTR_FONT_WEIGHT|wxTEXT_ATTR_TEXT_COLOUR);
 375     redDef->SetStyle(redAttr);
 376
 377     m_styleSheet->AddCharacterStyle(redDef);
 378 }
 379
 380 // ----------------------------------------------------------------------------
 381 // main frame
 382 // ----------------------------------------------------------------------------
 383
 384 // frame constructor
 385 MyFrame::MyFrame(const wxString& title, wxWindowID id, const wxPoint& pos,
 386         const wxSize& size, long style)
 387        : wxFrame(NULL, id, title, pos, size, style)
 388 {
 389     // set the frame icon
 390     SetIcon(wxICON(sample));
 391
 392     // create a menu bar
 393     wxMenu *fileMenu = new wxMenu;
 394
 395     // the "About" item should be in the help menu
 396     wxMenu *helpMenu = new wxMenu;
 397     helpMenu->Append(ID_About, _T("&About...\tF1"), _T("Show about dialog"));
 398
 399     fileMenu->Append(wxID_OPEN, _T("&Open\tCtrl+O"), _T("Open a file"));
 400     fileMenu->Append(wxID_SAVE, _T("&Save\tCtrl+S"), _T("Save a file"));
 401     fileMenu->Append(wxID_SAVEAS, _T("&Save As...\tF12"), _T("Save to a new file"));
 402     fileMenu->AppendSeparator();
 403     fileMenu->Append(ID_VIEW_HTML, _T("&View as HTML"), _T("View HTML"));
 404     fileMenu->AppendSeparator();
 405     fileMenu->Append(ID_Quit, _T("E&xit\tAlt+X"), _T("Quit this program"));
 406
 407     wxMenu* editMenu = new wxMenu;
 408     editMenu->Append(wxID_UNDO, _("&Undo\tCtrl+Z"));
 409     editMenu->Append(wxID_REDO, _("&Redo\tCtrl+Y"));
 410     editMenu->AppendSeparator();
 411     editMenu->Append(wxID_CUT, _("Cu&t\tCtrl+X"));
 412     editMenu->Append(wxID_COPY, _("&Copy\tCtrl+C"));
 413     editMenu->Append(wxID_PASTE, _("&Paste\tCtrl+V"));
 414
 415     editMenu->Append(wxID_CLEAR, _("&Delete\tDel"));
 416
 417     editMenu->AppendSeparator();
 418     editMenu->Append(wxID_SELECTALL, _("Select A&ll\tCtrl+A"));
 419 #if 0
 420     editMenu->AppendSeparator();
 421     editMenu->Append(wxID_FIND, _("&Find...\tCtrl+F"));
 422     editMenu->Append(stID_FIND_REPLACE, _("&Replace...\tCtrl+R"));
 423 #endif
 424
 425     wxMenu* formatMenu = new wxMenu;
 426     formatMenu->AppendCheckItem(ID_FORMAT_BOLD, _("&Bold\tCtrl+B"));
 427     formatMenu->AppendCheckItem(ID_FORMAT_ITALIC, _("&Italic\tCtrl+I"));
 428     formatMenu->AppendCheckItem(ID_FORMAT_UNDERLINE, _("&Underline\tCtrl+U"));
 429     formatMenu->AppendSeparator();
 430     formatMenu->AppendCheckItem(ID_FORMAT_ALIGN_LEFT, _("L&eft Align"));
 431     formatMenu->AppendCheckItem(ID_FORMAT_ALIGN_RIGHT, _("&Right Align"));
 432     formatMenu->AppendCheckItem(ID_FORMAT_ALIGN_CENTRE, _("&Centre"));
 433     formatMenu->AppendSeparator();
 434     formatMenu->Append(ID_FORMAT_INDENT_MORE, _("Indent &More"));
 435     formatMenu->Append(ID_FORMAT_INDENT_LESS, _("Indent &Less"));
 436     formatMenu->AppendSeparator();
 437     formatMenu->Append(ID_FORMAT_PARAGRAPH_SPACING_MORE, _("Increase Paragraph &Spacing"));
 438     formatMenu->Append(ID_FORMAT_PARAGRAPH_SPACING_LESS, _("Decrease &Paragraph Spacing"));
 439     formatMenu->AppendSeparator();
 440     formatMenu->Append(ID_FORMAT_LINE_SPACING_SINGLE, _("Normal Line Spacing"));
 441     formatMenu->Append(ID_FORMAT_LINE_SPACING_HALF, _("1.5 Line Spacing"));
 442     formatMenu->Append(ID_FORMAT_LINE_SPACING_DOUBLE, _("Double Line Spacing"));
 443     formatMenu->AppendSeparator();
 444     formatMenu->Append(ID_FORMAT_FONT, _("&Font..."));
 445
 446     // now append the freshly created menu to the menu bar...
 447     wxMenuBar *menuBar = new wxMenuBar();
 448     menuBar->Append(fileMenu, _T("&File"));
 449     menuBar->Append(editMenu, _T("&Edit"));
 450     menuBar->Append(formatMenu, _T("F&ormat"));
 451     menuBar->Append(helpMenu, _T("&Help"));
 452
 453     // ... and attach this menu bar to the frame
 454     SetMenuBar(menuBar);
 455
 456     // create a status bar just for fun (by default with 1 pane only)
 457     // but don't create it on limited screen space (WinCE)
 458     bool is_pda = wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA;
 459
 460 #if wxUSE_STATUSBAR
 461     if ( !is_pda )
 462     {
 463         CreateStatusBar(2);
 464         SetStatusText(_T("Welcome to wxRichTextCtrl!"));
 465     }
 466 #endif
 467
 468     wxToolBar* toolBar = CreateToolBar();
 469
 470     toolBar->AddTool(wxID_OPEN, wxBitmap(open_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Open"));
 471     toolBar->AddTool(wxID_SAVEAS, wxBitmap(save_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Save"));
 472     toolBar->AddSeparator();
 473     toolBar->AddTool(wxID_CUT, wxBitmap(cut_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Cut"));
 474     toolBar->AddTool(wxID_COPY, wxBitmap(copy_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Copy"));
 475     toolBar->AddTool(wxID_PASTE, wxBitmap(paste_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Paste"));
 476     toolBar->AddSeparator();
 477     toolBar->AddTool(wxID_UNDO, wxBitmap(undo_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Undo"));
 478     toolBar->AddTool(wxID_REDO, wxBitmap(redo_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Redo"));
 479     toolBar->AddSeparator();
 480     toolBar->AddTool(ID_FORMAT_BOLD, wxBitmap(bold_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Bold"));
 481     toolBar->AddTool(ID_FORMAT_ITALIC, wxBitmap(italic_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Italic"));
 482     toolBar->AddTool(ID_FORMAT_UNDERLINE, wxBitmap(underline_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Underline"));
 483     toolBar->AddSeparator();
 484     toolBar->AddTool(ID_FORMAT_ALIGN_LEFT, wxBitmap(alignleft_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Align Left"));
 485     toolBar->AddTool(ID_FORMAT_ALIGN_CENTRE, wxBitmap(centre_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Centre"));
 486     toolBar->AddTool(ID_FORMAT_ALIGN_RIGHT, wxBitmap(alignright_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Align Right"));
 487     toolBar->AddSeparator();
 488     toolBar->AddTool(ID_FORMAT_INDENT_LESS, wxBitmap(indentless_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Indent Less"));
 489     toolBar->AddTool(ID_FORMAT_INDENT_MORE, wxBitmap(indentmore_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Indent More"));
 490     toolBar->AddSeparator();
 491     toolBar->AddTool(ID_FORMAT_FONT, wxBitmap(font_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Font"));
 492
 493     toolBar->Realize();
 494
 495     wxSplitterWindow* splitter = new wxSplitterWindow(this, wxID_ANY, wxDefaultPosition, GetClientSize(), wxSP_NO_XP_THEME|wxSP_3D|wxSP_LIVE_UPDATE);
 496
 497     wxFont textFont = wxFont(12, wxROMAN, wxNORMAL, wxNORMAL);
 498     wxFont boldFont = wxFont(12, wxROMAN, wxNORMAL, wxBOLD);
 499     wxFont italicFont = wxFont(12, wxROMAN, wxITALIC, wxNORMAL);
 500
 501     m_richTextCtrl = new wxRichTextCtrl(splitter, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(200, 200), wxVSCROLL|wxHSCROLL|wxNO_BORDER|wxWANTS_CHARS);
 502     wxFont font(12, wxROMAN, wxNORMAL, wxNORMAL);
 503
 504     m_richTextCtrl->SetFont(font);
 505
 506     wxRichTextStyleListBox* styleListBox = new wxRichTextStyleListBox(splitter, wxID_ANY);
 507
 508     wxSize display = wxGetDisplaySize();
 509     if ( is_pda && ( display.GetWidth() < display.GetHeight() ) )
 510     {
 511         splitter->SplitHorizontally(m_richTextCtrl, styleListBox);
 512     }
 513     else
 514     {
 515         splitter->SplitVertically(m_richTextCtrl, styleListBox, 400);
 516     }
 517
 518     splitter->UpdateSize();
 519
 520     styleListBox->SetStyleSheet(wxGetApp().GetStyleSheet());
 521     styleListBox->SetRichTextCtrl(m_richTextCtrl);
 522     styleListBox->UpdateStyles();
 523
 524     wxRichTextCtrl& r = *m_richTextCtrl;
 525
 526     r.BeginSuppressUndo();
 527
 528     r.BeginParagraphSpacing(0, 20);
 529
 530     r.BeginAlignment(wxTEXT_ALIGNMENT_CENTRE);
 531     r.BeginBold();
 532
 533     r.BeginFontSize(14);
 534     r.WriteText(wxT("Welcome to wxRichTextCtrl, a wxWidgets control for editing and presenting styled text and images"));
 535     r.EndFontSize();
 536     r.Newline();
 537
 538     r.BeginItalic();
 539     r.WriteText(wxT("by Julian Smart"));
 540     r.EndItalic();
 541
 542     r.EndBold();
 543
 544     r.Newline();
 545     r.WriteImage(wxBitmap(zebra_xpm));
 546
 547     r.EndAlignment();
 548
 549     r.Newline();
 550     r.Newline();
 551
 552     r.WriteText(wxT("What can you do with this thing? "));
 553     r.WriteImage(wxBitmap(smiley_xpm));
 554     r.WriteText(wxT(" Well, you can change text "));
 555
 556     r.BeginTextColour(wxColour(255, 0, 0));
 557     r.WriteText(wxT("colour, like this red bit."));
 558     r.EndTextColour();
 559
 560     r.BeginTextColour(wxColour(0, 0, 255));
 561     r.WriteText(wxT(" And this blue bit."));
 562     r.EndTextColour();
 563
 564     r.WriteText(wxT(" Naturally you can make things "));
 565     r.BeginBold();
 566     r.WriteText(wxT("bold "));
 567     r.EndBold();
 568     r.BeginItalic();
 569     r.WriteText(wxT("or italic "));
 570     r.EndItalic();
 571     r.BeginUnderline();
 572     r.WriteText(wxT("or underlined."));
 573     r.EndUnderline();
 574
 575     r.BeginFontSize(14);
 576     r.WriteText(wxT(" Different font sizes on the same line is allowed, too."));
 577     r.EndFontSize();
 578
 579     r.WriteText(wxT(" Next we'll show an indented paragraph."));
 580
 581     r.BeginLeftIndent(60);
 582     r.Newline();
 583
 584     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."));
 585     r.EndLeftIndent();
 586
 587     r.Newline();
 588
 589     r.WriteText(wxT("Next, we'll show a first-line indent, achieved using BeginLeftIndent(100, -40)."));
 590
 591     r.BeginLeftIndent(100, -40);
 592     r.Newline();
 593
 594     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."));
 595     r.EndLeftIndent();
 596
 597     r.Newline();
 598
 599     r.WriteText(wxT("Numbered bullets are possible, again using subindents:"));
 600
 601     r.BeginNumberedBullet(1, 100, 60);
 602     r.Newline();
 603
 604     r.WriteText(wxT("This is my first item. Note that wxRichTextCtrl doesn't automatically do numbering, but this will be added later."));
 605     r.EndNumberedBullet();
 606
 607     r.BeginNumberedBullet(2, 100, 60);
 608     r.Newline();
 609
 610     r.WriteText(wxT("This is my second item."));
 611     r.EndNumberedBullet();
 612
 613     r.Newline();
 614
 615     r.WriteText(wxT("The following paragraph is right-indented:"));
 616
 617     r.BeginRightIndent(200);
 618     r.Newline();
 619
 620     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."));
 621     r.EndRightIndent();
 622
 623     r.Newline();
 624
 625     r.WriteText(wxT("The following paragraph is right-aligned with 1.5 line spacing:"));
 626
 627     r.BeginAlignment(wxTEXT_ALIGNMENT_RIGHT);
 628     r.BeginLineSpacing(wxTEXT_ATTR_LINE_SPACING_HALF);
 629     r.Newline();
 630
 631     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."));
 632     r.EndLineSpacing();
 633     r.EndAlignment();
 634
 635     wxArrayInt tabs;
 636     tabs.Add(400);
 637     tabs.Add(600);
 638     tabs.Add(800);
 639     tabs.Add(1000);
 640     wxTextAttrEx attr;
 641     attr.SetFlags(wxTEXT_ATTR_TABS);
 642     attr.SetTabs(tabs);
 643     r.SetDefaultStyle(attr);
 644
 645     r.Newline();
 646     r.WriteText(wxT("This line contains tabs:\tFirst tab\tSecond tab\tThird tab"));
 647
 648     r.Newline();
 649     r.WriteText(wxT("Other notable features of wxRichTextCtrl include:"));
 650
 651     r.BeginSymbolBullet(wxT('*'), 100, 60);
 652     r.Newline();
 653     r.WriteText(wxT("Compatibility with wxTextCtrl API"));
 654     r.EndSymbolBullet();
 655
 656     r.BeginSymbolBullet(wxT('*'), 100, 60);
 657     r.Newline();
 658     r.WriteText(wxT("Easy stack-based BeginXXX()...EndXXX() style setting in addition to SetStyle()"));
 659     r.EndSymbolBullet();
 660
 661     r.BeginSymbolBullet(wxT('*'), 100, 60);
 662     r.Newline();
 663     r.WriteText(wxT("XML loading and saving"));
 664     r.EndSymbolBullet();
 665
 666     r.BeginSymbolBullet(wxT('*'), 100, 60);
 667     r.Newline();
 668     r.WriteText(wxT("Undo/Redo, with batching option and Undo suppressing"));
 669     r.EndSymbolBullet();
 670
 671     r.BeginSymbolBullet(wxT('*'), 100, 60);
 672     r.Newline();
 673     r.WriteText(wxT("Clipboard copy and paste"));
 674     r.EndSymbolBullet();
 675
 676     r.BeginSymbolBullet(wxT('*'), 100, 60);
 677     r.Newline();
 678     r.WriteText(wxT("wxRichTextStyleSheet with named character and paragraph styles, and control for applying named styles"));
 679     r.EndSymbolBullet();
 680
 681     r.BeginSymbolBullet(wxT('*'), 100, 60);
 682     r.Newline();
 683     r.WriteText(wxT("A design that can easily be extended to other content types, ultimately with text boxes, tables, controls, and so on"));
 684     r.EndSymbolBullet();
 685
 686     r.Newline();
 687
 688     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!"));
 689
 690     r.EndParagraphSpacing();
 691
 692     r.EndSuppressUndo();
 693 }
 694
 695
 696 // event handlers
 697
 698 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 699 {
 700     // true is to force the frame to close
 701     Close(true);
 702 }
 703
 704 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 705 {
 706     wxString msg;
 707     msg.Printf( _T("This is a demo for wxRichTextCtrl, a control for editing styled text.\n(c) Julian Smart, 2005"));
 708     wxMessageBox(msg, _T("About wxRichTextCtrl Sample"), wxOK | wxICON_INFORMATION, this);
 709 }
 710
 711 // Forward command events to the current rich text control, if any
 712 bool MyFrame::ProcessEvent(wxEvent& event)
 713 {
 714     if (event.IsCommandEvent() && !event.IsKindOf(CLASSINFO(wxChildFocusEvent)))
 715     {
 716         // Problem: we can get infinite recursion because the events
 717         // climb back up to this frame, and repeat.
 718         // Assume that command events don't cause another command event
 719         // to be called, so we can rely on inCommand not being overwritten
 720
 721         static int s_eventType = 0;
 722         static wxWindowID s_id = 0;
 723
 724         if (s_id != event.GetId() && s_eventType != event.GetEventType())
 725         {
 726             s_eventType = event.GetEventType();
 727             s_id = event.GetId();
 728
 729             wxWindow* focusWin = wxFindFocusDescendant(this);
 730             if (focusWin && focusWin->ProcessEvent(event))
 731             {
 732                 //s_command = NULL;
 733                 s_eventType = 0;
 734                 s_id = 0;
 735                 return true;
 736             }
 737
 738             s_eventType = 0;
 739             s_id = 0;
 740         }
 741         else
 742         {
 743             return false;
 744         }
 745     }
 746
 747     return wxFrame::ProcessEvent(event);
 748 }
 749
 750 void MyFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
 751 {
 752     wxString path;
 753     wxString filename;
 754     wxArrayInt fileTypes;
 755
 756     wxString filter = wxRichTextBuffer::GetExtWildcard(false, false, & fileTypes);
 757     if (!filter.empty())
 758         filter += wxT("|");
 759     filter += wxT("All files (*.*)|*.*");
 760
 761     wxFileDialog dialog(this,
 762         _("Choose a filename"),
 763         path,
 764         filename,
 765         filter,
 766         wxFD_OPEN);
 767
 768     if (dialog.ShowModal() == wxID_OK)
 769     {
 770         wxString path = dialog.GetPath();
 771
 772         if (!path.empty())
 773         {
 774             int filterIndex = dialog.GetFilterIndex();
 775             int fileType = (filterIndex < (int) fileTypes.GetCount())
 776                            ? fileTypes[filterIndex]
 777                            : wxRICHTEXT_TYPE_TEXT;
 778             m_richTextCtrl->LoadFile(path, fileType);
 779         }
 780     }
 781 }
 782
 783 void MyFrame::OnSave(wxCommandEvent& event)
 784 {
 785     if (m_richTextCtrl->GetFilename().empty())
 786     {
 787         OnSaveAs(event);
 788         return;
 789     }
 790     m_richTextCtrl->SaveFile();
 791 }
 792
 793 void MyFrame::OnSaveAs(wxCommandEvent& WXUNUSED(event))
 794 {
 795     wxString filter = wxRichTextBuffer::GetExtWildcard(false, true);
 796     wxString path;
 797     wxString filename;
 798
 799     wxFileDialog dialog(this,
 800         _("Choose a filename"),
 801         path,
 802         filename,
 803         filter,
 804         wxFD_SAVE);
 805
 806     if (dialog.ShowModal() == wxID_OK)
 807     {
 808         wxString path = dialog.GetPath();
 809
 810         if (!path.empty())
 811         {
 812             m_richTextCtrl->SaveFile(path);
 813         }
 814     }
 815 }
 816
 817 void MyFrame::OnBold(wxCommandEvent& WXUNUSED(event))
 818 {
 819     m_richTextCtrl->ApplyBoldToSelection();
 820 }
 821
 822 void MyFrame::OnItalic(wxCommandEvent& WXUNUSED(event))
 823 {
 824     m_richTextCtrl->ApplyItalicToSelection();
 825 }
 826
 827 void MyFrame::OnUnderline(wxCommandEvent& WXUNUSED(event))
 828 {
 829     m_richTextCtrl->ApplyUnderlineToSelection();
 830 }
 831
 832
 833 void MyFrame::OnUpdateBold(wxUpdateUIEvent& event)
 834 {
 835     event.Check(m_richTextCtrl->IsSelectionBold());
 836 }
 837
 838 void MyFrame::OnUpdateItalic(wxUpdateUIEvent& event)
 839 {
 840     event.Check(m_richTextCtrl->IsSelectionItalics());
 841 }
 842
 843 void MyFrame::OnUpdateUnderline(wxUpdateUIEvent& event)
 844 {
 845     event.Check(m_richTextCtrl->IsSelectionUnderlined());
 846 }
 847
 848 void MyFrame::OnAlignLeft(wxCommandEvent& WXUNUSED(event))
 849 {
 850     m_richTextCtrl->ApplyAlignmentToSelection(wxTEXT_ALIGNMENT_LEFT);
 851 }
 852
 853 void MyFrame::OnAlignCentre(wxCommandEvent& WXUNUSED(event))
 854 {
 855     m_richTextCtrl->ApplyAlignmentToSelection(wxTEXT_ALIGNMENT_CENTRE);
 856 }
 857
 858 void MyFrame::OnAlignRight(wxCommandEvent& WXUNUSED(event))
 859 {
 860     m_richTextCtrl->ApplyAlignmentToSelection(wxTEXT_ALIGNMENT_RIGHT);
 861 }
 862
 863 void MyFrame::OnUpdateAlignLeft(wxUpdateUIEvent& event)
 864 {
 865     event.Check(m_richTextCtrl->IsSelectionAligned(wxTEXT_ALIGNMENT_LEFT));
 866 }
 867
 868 void MyFrame::OnUpdateAlignCentre(wxUpdateUIEvent& event)
 869 {
 870     event.Check(m_richTextCtrl->IsSelectionAligned(wxTEXT_ALIGNMENT_CENTRE));
 871 }
 872
 873 void MyFrame::OnUpdateAlignRight(wxUpdateUIEvent& event)
 874 {
 875     event.Check(m_richTextCtrl->IsSelectionAligned(wxTEXT_ALIGNMENT_RIGHT));
 876 }
 877
 878 void MyFrame::OnFont(wxCommandEvent& WXUNUSED(event))
 879 {
 880     if (!m_richTextCtrl->HasSelection())
 881         return;
 882
 883     wxRichTextRange range = m_richTextCtrl->GetSelectionRange();
 884     wxFontData fontData;
 885
 886     wxTextAttrEx attr;
 887     attr.SetFlags(wxTEXT_ATTR_FONT);
 888
 889     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
 890         fontData.SetInitialFont(attr.GetFont());
 891
 892     wxFontDialog dialog(this, fontData);
 893     if (dialog.ShowModal() == wxID_OK)
 894     {
 895         fontData = dialog.GetFontData();
 896         attr.SetFlags(wxTEXT_ATTR_FONT);
 897         attr.SetFont(fontData.GetChosenFont());
 898         if (attr.GetFont().Ok())
 899         {
 900             m_richTextCtrl->SetStyle(range, attr);
 901         }
 902     }
 903 }
 904
 905 void MyFrame::OnIndentMore(wxCommandEvent& WXUNUSED(event))
 906 {
 907     wxTextAttrEx attr;
 908     attr.SetFlags(wxTEXT_ATTR_LEFT_INDENT);
 909
 910     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
 911     {
 912         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
 913         if (m_richTextCtrl->HasSelection())
 914             range = m_richTextCtrl->GetSelectionRange();
 915
 916         wxFontData fontData;
 917         attr.SetLeftIndent(attr.GetLeftIndent() + 100);
 918
 919         attr.SetFlags(wxTEXT_ATTR_LEFT_INDENT);
 920         m_richTextCtrl->SetStyle(range, attr);
 921     }
 922 }
 923
 924 void MyFrame::OnIndentLess(wxCommandEvent& WXUNUSED(event))
 925 {
 926     wxTextAttrEx attr;
 927     attr.SetFlags(wxTEXT_ATTR_LEFT_INDENT);
 928
 929     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
 930     {
 931         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
 932         if (m_richTextCtrl->HasSelection())
 933             range = m_richTextCtrl->GetSelectionRange();
 934
 935         if (attr.GetLeftIndent() >= 100)
 936         {
 937             wxFontData fontData;
 938             attr.SetLeftIndent(attr.GetLeftIndent() - 100);
 939
 940             m_richTextCtrl->SetStyle(range, attr);
 941         }
 942     }
 943 }
 944
 945 void MyFrame::OnLineSpacingHalf(wxCommandEvent& WXUNUSED(event))
 946 {
 947     wxTextAttrEx attr;
 948     attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
 949
 950     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
 951     {
 952         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
 953         if (m_richTextCtrl->HasSelection())
 954             range = m_richTextCtrl->GetSelectionRange();
 955
 956         wxFontData fontData;
 957         attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
 958         attr.SetLineSpacing(15);
 959
 960         m_richTextCtrl->SetStyle(range, attr);
 961     }
 962 }
 963
 964 void MyFrame::OnLineSpacingDouble(wxCommandEvent& WXUNUSED(event))
 965 {
 966     wxTextAttrEx attr;
 967     attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
 968
 969     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
 970     {
 971         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
 972         if (m_richTextCtrl->HasSelection())
 973             range = m_richTextCtrl->GetSelectionRange();
 974
 975         wxFontData fontData;
 976         attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
 977         attr.SetLineSpacing(20);
 978
 979         m_richTextCtrl->SetStyle(range, attr);
 980     }
 981 }
 982
 983 void MyFrame::OnLineSpacingSingle(wxCommandEvent& WXUNUSED(event))
 984 {
 985     wxTextAttrEx attr;
 986     attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
 987
 988     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
 989     {
 990         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
 991         if (m_richTextCtrl->HasSelection())
 992             range = m_richTextCtrl->GetSelectionRange();
 993
 994         wxFontData fontData;
 995         attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
 996         attr.SetLineSpacing(0); // Can also use 10
 997
 998         m_richTextCtrl->SetStyle(range, attr);
 999     }
1000 }
1001
1002 void MyFrame::OnParagraphSpacingMore(wxCommandEvent& WXUNUSED(event))
1003 {
1004     wxTextAttrEx attr;
1005     attr.SetFlags(wxTEXT_ATTR_PARA_SPACING_AFTER);
1006
1007     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1008     {
1009         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1010         if (m_richTextCtrl->HasSelection())
1011             range = m_richTextCtrl->GetSelectionRange();
1012
1013         wxFontData fontData;
1014         attr.SetParagraphSpacingAfter(attr.GetParagraphSpacingAfter() + 20);
1015
1016         attr.SetFlags(wxTEXT_ATTR_PARA_SPACING_AFTER);
1017         m_richTextCtrl->SetStyle(range, attr);
1018     }
1019 }
1020
1021 void MyFrame::OnParagraphSpacingLess(wxCommandEvent& WXUNUSED(event))
1022 {
1023     wxTextAttrEx attr;
1024     attr.SetFlags(wxTEXT_ATTR_PARA_SPACING_AFTER);
1025
1026     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1027     {
1028         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1029         if (m_richTextCtrl->HasSelection())
1030             range = m_richTextCtrl->GetSelectionRange();
1031
1032         if (attr.GetParagraphSpacingAfter() >= 20)
1033         {
1034             wxFontData fontData;
1035             attr.SetParagraphSpacingAfter(attr.GetParagraphSpacingAfter() - 20);
1036
1037             attr.SetFlags(wxTEXT_ATTR_PARA_SPACING_AFTER);
1038             m_richTextCtrl->SetStyle(range, attr);
1039         }
1040     }
1041 }
1042
1043 void MyFrame::OnViewHTML(wxCommandEvent& WXUNUSED(event))
1044 {
1045     wxDialog dialog(this, wxID_ANY, _("HTML"), wxDefaultPosition, wxSize(500, 400), wxDEFAULT_DIALOG_STYLE);
1046
1047     wxBoxSizer* boxSizer = new wxBoxSizer(wxVERTICAL);
1048     dialog.SetSizer(boxSizer);
1049
1050     wxHtmlWindow* win = new wxHtmlWindow(& dialog, wxID_ANY, wxDefaultPosition, wxSize(500, 400), wxSUNKEN_BORDER);
1051     boxSizer->Add(win, 1, wxALL, 5);
1052
1053     wxButton* cancelButton = new wxButton(& dialog, wxID_CANCEL, wxT("&Close"));
1054     boxSizer->Add(cancelButton, 0, wxALL|wxCENTRE, 5);
1055
1056     wxString text;
1057     wxStringOutputStream strStream(& text);
1058
1059     wxRichTextHTMLHandler htmlHandler;
1060     if (htmlHandler.SaveFile(& m_richTextCtrl->GetBuffer(), strStream))
1061     {
1062         win->SetPage(text);
1063     }
1064
1065     boxSizer->Fit(& dialog);
1066
1067     dialog.ShowModal();
1068 }