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 #include "wx/stopwatch.h"
  38 #include "wx/sysopt.h"
  39
  40 #if wxUSE_FILESYSTEM
  41 #include "wx/filesys.h"
  42 #include "wx/fs_mem.h"
  43 #endif
  44
  45 #if wxUSE_HELP
  46 #include "wx/cshelp.h"
  47 #endif
  48
  49 #ifndef wxHAS_IMAGES_IN_RESOURCES
  50     #include "../sample.xpm"
  51 #endif
  52
  53 #include "bitmaps/smiley.xpm"
  54 // #include "bitmaps/idea.xpm"
  55 #include "bitmaps/zebra.xpm"
  56
  57 #include "bitmaps/open.xpm"
  58 #include "bitmaps/save.xpm"
  59 #include "bitmaps/copy.xpm"
  60 #include "bitmaps/cut.xpm"
  61 #include "bitmaps/paste.xpm"
  62 #include "bitmaps/undo.xpm"
  63 #include "bitmaps/redo.xpm"
  64 #include "bitmaps/bold.xpm"
  65 #include "bitmaps/italic.xpm"
  66 #include "bitmaps/underline.xpm"
  67
  68 #include "bitmaps/alignleft.xpm"
  69 #include "bitmaps/alignright.xpm"
  70 #include "bitmaps/centre.xpm"
  71 #include "bitmaps/font.xpm"
  72 #include "bitmaps/indentless.xpm"
  73 #include "bitmaps/indentmore.xpm"
  74
  75 #include "wx/richtext/richtextctrl.h"
  76 #include "wx/richtext/richtextstyles.h"
  77 #include "wx/richtext/richtextxml.h"
  78 #include "wx/richtext/richtexthtml.h"
  79 #include "wx/richtext/richtextformatdlg.h"
  80 #include "wx/richtext/richtextsymboldlg.h"
  81 #include "wx/richtext/richtextstyledlg.h"
  82 #include "wx/richtext/richtextprint.h"
  83 #include "wx/richtext/richtextimagedlg.h"
  84
  85 // A custom field type
  86 class wxRichTextFieldTypePropertiesTest: public wxRichTextFieldTypeStandard
  87 {
  88 public:
  89     wxRichTextFieldTypePropertiesTest(const wxString& name, const wxString& label, int displayStyle = wxRICHTEXT_FIELD_STYLE_RECTANGLE):
  90         wxRichTextFieldTypeStandard(name, label, displayStyle)
  91     {
  92     }
  93     wxRichTextFieldTypePropertiesTest(const wxString& name, const wxBitmap& bitmap, int displayStyle = wxRICHTEXT_FIELD_STYLE_RECTANGLE):
  94         wxRichTextFieldTypeStandard(name, bitmap, displayStyle)
  95     {
  96     }
  97
  98     virtual bool CanEditProperties(wxRichTextField* WXUNUSED(obj)) const { return true; }
  99     virtual bool EditProperties(wxRichTextField* WXUNUSED(obj), wxWindow* WXUNUSED(parent), wxRichTextBuffer* WXUNUSED(buffer))
 100     {
 101         wxString label = GetLabel();
 102         wxMessageBox(wxString::Format(wxT("Editing %s"), label.c_str()));
 103         return true;
 104     }
 105
 106     virtual wxString GetPropertiesMenuLabel(wxRichTextField* WXUNUSED(obj)) const
 107     {
 108         return GetLabel();
 109     }
 110 };
 111
 112 // A custom composite field type
 113 class wxRichTextFieldTypeCompositeTest: public wxRichTextFieldTypePropertiesTest
 114 {
 115 public:
 116     wxRichTextFieldTypeCompositeTest(const wxString& name, const wxString& label):
 117         wxRichTextFieldTypePropertiesTest(name, label, wxRICHTEXT_FIELD_STYLE_COMPOSITE)
 118     {
 119     }
 120
 121     virtual bool UpdateField(wxRichTextBuffer* buffer, wxRichTextField* obj)
 122     {
 123         if (buffer)
 124         {
 125             wxRichTextAttr attr(buffer->GetAttributes());
 126             attr.GetTextBoxAttr().Reset();
 127             attr.SetParagraphSpacingAfter(0);
 128             attr.SetLineSpacing(10);
 129             obj->SetAttributes(attr);
 130         }
 131         obj->GetChildren().Clear();
 132         wxRichTextParagraph* para = new wxRichTextParagraph;
 133         wxRichTextPlainText* text = new wxRichTextPlainText(GetLabel());
 134         para->AppendChild(text);
 135         obj->AppendChild(para);
 136         return true;
 137    }
 138 };
 139
 140 // ----------------------------------------------------------------------------
 141 // resources
 142 // ----------------------------------------------------------------------------
 143
 144 // ----------------------------------------------------------------------------
 145 // private classes
 146 // ----------------------------------------------------------------------------
 147
 148 // Define a new application type, each program should derive a class from wxApp
 149 class MyRichTextCtrl: public wxRichTextCtrl
 150 {
 151 public:
 152     MyRichTextCtrl( wxWindow* parent, wxWindowID id = -1, const wxString& value = wxEmptyString, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize,
 153         long style = wxRE_MULTILINE, const wxValidator& validator = wxDefaultValidator, const wxString& name = wxTextCtrlNameStr):
 154       wxRichTextCtrl(parent, id, value, pos, size, style, validator, name)
 155     {
 156         m_lockId = 0;
 157         m_locked = false;
 158     }
 159
 160     void SetLockId(long id) { m_lockId = id; }
 161     long GetLockId() const { return m_lockId; }
 162
 163     void BeginLock() { m_lockId ++; m_locked = true; }
 164     void EndLock() { m_locked = false; }
 165     bool IsLocked() const { return m_locked; }
 166
 167     static void SetEnhancedDrawingHandler();
 168
 169     /**
 170         Prepares the content just before insertion (or after buffer reset). Called by the same function in wxRichTextBuffer.
 171         Currently is only called if undo mode is on.
 172     */
 173     virtual void PrepareContent(wxRichTextParagraphLayoutBox& container);
 174
 175     /**
 176         Can we delete this range?
 177         Sends an event to the control.
 178     */
 179     virtual bool CanDeleteRange(wxRichTextParagraphLayoutBox& container, const wxRichTextRange& range) const;
 180
 181     /**
 182         Can we insert content at this position?
 183         Sends an event to the control.
 184     */
 185     virtual bool CanInsertContent(wxRichTextParagraphLayoutBox& container, long pos) const;
 186
 187     long    m_lockId;
 188     bool    m_locked;
 189 };
 190
 191 // Define a new application type, each program should derive a class from wxApp
 192 class MyApp : public wxApp
 193 {
 194 public:
 195     // override base class virtuals
 196     // ----------------------------
 197
 198     // this one is called on application startup and is a good place for the app
 199     // initialization (doing it here and not in the ctor allows to have an error
 200     // return: if OnInit() returns false, the application terminates)
 201     virtual bool OnInit();
 202     virtual int OnExit();
 203
 204     void CreateStyles();
 205
 206     wxRichTextStyleSheet* GetStyleSheet() const { return m_styleSheet; }
 207     wxRichTextPrinting* GetPrinting() const { return m_printing; }
 208
 209     wxRichTextStyleSheet*   m_styleSheet;
 210     wxRichTextPrinting*     m_printing;
 211 };
 212
 213 // Define a new frame type: this is going to be our main frame
 214 class MyFrame : public wxFrame
 215 {
 216 public:
 217     // ctor(s)
 218     MyFrame(const wxString& title, wxWindowID id, const wxPoint& pos = wxDefaultPosition,
 219         const wxSize& size = wxDefaultSize, long style = wxDEFAULT_FRAME_STYLE);
 220
 221     // event handlers (these functions should _not_ be virtual)
 222     void OnQuit(wxCommandEvent& event);
 223     void OnAbout(wxCommandEvent& event);
 224
 225     void OnOpen(wxCommandEvent& event);
 226     void OnSave(wxCommandEvent& event);
 227     void OnSaveAs(wxCommandEvent& event);
 228
 229     void OnBold(wxCommandEvent& event);
 230     void OnItalic(wxCommandEvent& event);
 231     void OnUnderline(wxCommandEvent& event);
 232
 233     void OnStrikethrough(wxCommandEvent& event);
 234     void OnSuperscript(wxCommandEvent& event);
 235     void OnSubscript(wxCommandEvent& event);
 236
 237     void OnUpdateBold(wxUpdateUIEvent& event);
 238     void OnUpdateItalic(wxUpdateUIEvent& event);
 239     void OnUpdateUnderline(wxUpdateUIEvent& event);
 240     void OnUpdateStrikethrough(wxUpdateUIEvent& event);
 241     void OnUpdateSuperscript(wxUpdateUIEvent& event);
 242     void OnUpdateSubscript(wxUpdateUIEvent& event);
 243
 244     void OnAlignLeft(wxCommandEvent& event);
 245     void OnAlignCentre(wxCommandEvent& event);
 246     void OnAlignRight(wxCommandEvent& event);
 247
 248     void OnUpdateAlignLeft(wxUpdateUIEvent& event);
 249     void OnUpdateAlignCentre(wxUpdateUIEvent& event);
 250     void OnUpdateAlignRight(wxUpdateUIEvent& event);
 251
 252     void OnIndentMore(wxCommandEvent& event);
 253     void OnIndentLess(wxCommandEvent& event);
 254
 255     void OnFont(wxCommandEvent& event);
 256     void OnImage(wxCommandEvent& event);
 257     void OnUpdateImage(wxUpdateUIEvent& event);
 258     void OnParagraph(wxCommandEvent& event);
 259     void OnFormat(wxCommandEvent& event);
 260     void OnUpdateFormat(wxUpdateUIEvent& event);
 261
 262     void OnInsertSymbol(wxCommandEvent& event);
 263
 264     void OnLineSpacingHalf(wxCommandEvent& event);
 265     void OnLineSpacingDouble(wxCommandEvent& event);
 266     void OnLineSpacingSingle(wxCommandEvent& event);
 267
 268     void OnParagraphSpacingMore(wxCommandEvent& event);
 269     void OnParagraphSpacingLess(wxCommandEvent& event);
 270
 271     void OnNumberList(wxCommandEvent& event);
 272     void OnBulletsAndNumbering(wxCommandEvent& event);
 273     void OnItemizeList(wxCommandEvent& event);
 274     void OnRenumberList(wxCommandEvent& event);
 275     void OnPromoteList(wxCommandEvent& event);
 276     void OnDemoteList(wxCommandEvent& event);
 277     void OnClearList(wxCommandEvent& event);
 278
 279     void OnReload(wxCommandEvent& event);
 280
 281     void OnViewHTML(wxCommandEvent& event);
 282
 283     void OnSwitchStyleSheets(wxCommandEvent& event);
 284     void OnManageStyles(wxCommandEvent& event);
 285
 286     void OnInsertURL(wxCommandEvent& event);
 287     void OnURL(wxTextUrlEvent& event);
 288     void OnStyleSheetReplacing(wxRichTextEvent& event);
 289
 290     void OnPrint(wxCommandEvent& event);
 291     void OnPreview(wxCommandEvent& event);
 292     void OnPageSetup(wxCommandEvent& event);
 293
 294     void OnInsertImage(wxCommandEvent& event);
 295
 296     void OnSetFontScale(wxCommandEvent& event);
 297     void OnSetDimensionScale(wxCommandEvent& event);
 298 protected:
 299
 300     // Forward command events to the current rich text control, if any
 301     bool ProcessEvent(wxEvent& event);
 302
 303     // Write text
 304     void WriteInitialText();
 305
 306 private:
 307     // any class wishing to process wxWidgets events must use this macro
 308     DECLARE_EVENT_TABLE()
 309
 310     MyRichTextCtrl*         m_richTextCtrl;
 311 };
 312
 313 // ----------------------------------------------------------------------------
 314 // constants
 315 // ----------------------------------------------------------------------------
 316
 317 // IDs for the controls and the menu commands
 318 enum
 319 {
 320     // menu items
 321     ID_Quit = wxID_EXIT,
 322     ID_About = wxID_ABOUT,
 323
 324     ID_FORMAT_BOLD = 100,
 325     ID_FORMAT_ITALIC,
 326     ID_FORMAT_UNDERLINE,
 327     ID_FORMAT_STRIKETHROUGH,
 328     ID_FORMAT_SUPERSCRIPT,
 329     ID_FORMAT_SUBSCRIPT,
 330     ID_FORMAT_FONT,
 331     ID_FORMAT_IMAGE,
 332     ID_FORMAT_PARAGRAPH,
 333     ID_FORMAT_CONTENT,
 334
 335     ID_RELOAD,
 336
 337     ID_INSERT_SYMBOL,
 338     ID_INSERT_URL,
 339     ID_INSERT_IMAGE,
 340
 341     ID_FORMAT_ALIGN_LEFT,
 342     ID_FORMAT_ALIGN_CENTRE,
 343     ID_FORMAT_ALIGN_RIGHT,
 344
 345     ID_FORMAT_INDENT_MORE,
 346     ID_FORMAT_INDENT_LESS,
 347
 348     ID_FORMAT_PARAGRAPH_SPACING_MORE,
 349     ID_FORMAT_PARAGRAPH_SPACING_LESS,
 350
 351     ID_FORMAT_LINE_SPACING_HALF,
 352     ID_FORMAT_LINE_SPACING_DOUBLE,
 353     ID_FORMAT_LINE_SPACING_SINGLE,
 354
 355     ID_FORMAT_NUMBER_LIST,
 356     ID_FORMAT_BULLETS_AND_NUMBERING,
 357     ID_FORMAT_ITEMIZE_LIST,
 358     ID_FORMAT_RENUMBER_LIST,
 359     ID_FORMAT_PROMOTE_LIST,
 360     ID_FORMAT_DEMOTE_LIST,
 361     ID_FORMAT_CLEAR_LIST,
 362
 363     ID_SET_FONT_SCALE,
 364     ID_SET_DIMENSION_SCALE,
 365
 366     ID_VIEW_HTML,
 367     ID_SWITCH_STYLE_SHEETS,
 368     ID_MANAGE_STYLES,
 369
 370     ID_PRINT,
 371     ID_PREVIEW,
 372     ID_PAGE_SETUP,
 373
 374     ID_RICHTEXT_CTRL,
 375     ID_RICHTEXT_STYLE_LIST,
 376     ID_RICHTEXT_STYLE_COMBO
 377 };
 378
 379 // ----------------------------------------------------------------------------
 380 // event tables and other macros for wxWidgets
 381 // ----------------------------------------------------------------------------
 382
 383 // the event tables connect the wxWidgets events with the functions (event
 384 // handlers) which process them. It can be also done at run-time, but for the
 385 // simple menu events like this the static method is much simpler.
 386 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 387     EVT_MENU(ID_Quit,  MyFrame::OnQuit)
 388     EVT_MENU(ID_About, MyFrame::OnAbout)
 389
 390     EVT_MENU(wxID_OPEN,  MyFrame::OnOpen)
 391     EVT_MENU(wxID_SAVE,  MyFrame::OnSave)
 392     EVT_MENU(wxID_SAVEAS,  MyFrame::OnSaveAs)
 393
 394     EVT_MENU(ID_FORMAT_BOLD,  MyFrame::OnBold)
 395     EVT_MENU(ID_FORMAT_ITALIC,  MyFrame::OnItalic)
 396     EVT_MENU(ID_FORMAT_UNDERLINE,  MyFrame::OnUnderline)
 397
 398     EVT_MENU(ID_FORMAT_STRIKETHROUGH,  MyFrame::OnStrikethrough)
 399     EVT_MENU(ID_FORMAT_SUPERSCRIPT,  MyFrame::OnSuperscript)
 400     EVT_MENU(ID_FORMAT_SUBSCRIPT,  MyFrame::OnSubscript)
 401
 402     EVT_UPDATE_UI(ID_FORMAT_BOLD,  MyFrame::OnUpdateBold)
 403     EVT_UPDATE_UI(ID_FORMAT_ITALIC,  MyFrame::OnUpdateItalic)
 404     EVT_UPDATE_UI(ID_FORMAT_UNDERLINE,  MyFrame::OnUpdateUnderline)
 405
 406     EVT_UPDATE_UI(ID_FORMAT_STRIKETHROUGH,  MyFrame::OnUpdateStrikethrough)
 407     EVT_UPDATE_UI(ID_FORMAT_SUPERSCRIPT,  MyFrame::OnUpdateSuperscript)
 408     EVT_UPDATE_UI(ID_FORMAT_SUBSCRIPT,  MyFrame::OnUpdateSubscript)
 409
 410     EVT_MENU(ID_FORMAT_ALIGN_LEFT,  MyFrame::OnAlignLeft)
 411     EVT_MENU(ID_FORMAT_ALIGN_CENTRE,  MyFrame::OnAlignCentre)
 412     EVT_MENU(ID_FORMAT_ALIGN_RIGHT,  MyFrame::OnAlignRight)
 413
 414     EVT_UPDATE_UI(ID_FORMAT_ALIGN_LEFT,  MyFrame::OnUpdateAlignLeft)
 415     EVT_UPDATE_UI(ID_FORMAT_ALIGN_CENTRE,  MyFrame::OnUpdateAlignCentre)
 416     EVT_UPDATE_UI(ID_FORMAT_ALIGN_RIGHT,  MyFrame::OnUpdateAlignRight)
 417
 418     EVT_MENU(ID_FORMAT_FONT,  MyFrame::OnFont)
 419     EVT_MENU(ID_FORMAT_IMAGE, MyFrame::OnImage)
 420     EVT_MENU(ID_FORMAT_PARAGRAPH,  MyFrame::OnParagraph)
 421     EVT_MENU(ID_FORMAT_CONTENT,  MyFrame::OnFormat)
 422     EVT_UPDATE_UI(ID_FORMAT_CONTENT,  MyFrame::OnUpdateFormat)
 423     EVT_UPDATE_UI(ID_FORMAT_FONT,  MyFrame::OnUpdateFormat)
 424     EVT_UPDATE_UI(ID_FORMAT_IMAGE, MyFrame::OnUpdateImage)
 425     EVT_UPDATE_UI(ID_FORMAT_PARAGRAPH,  MyFrame::OnUpdateFormat)
 426     EVT_MENU(ID_FORMAT_INDENT_MORE,  MyFrame::OnIndentMore)
 427     EVT_MENU(ID_FORMAT_INDENT_LESS,  MyFrame::OnIndentLess)
 428
 429     EVT_MENU(ID_FORMAT_LINE_SPACING_HALF,  MyFrame::OnLineSpacingHalf)
 430     EVT_MENU(ID_FORMAT_LINE_SPACING_SINGLE,  MyFrame::OnLineSpacingSingle)
 431     EVT_MENU(ID_FORMAT_LINE_SPACING_DOUBLE,  MyFrame::OnLineSpacingDouble)
 432
 433     EVT_MENU(ID_FORMAT_PARAGRAPH_SPACING_MORE,  MyFrame::OnParagraphSpacingMore)
 434     EVT_MENU(ID_FORMAT_PARAGRAPH_SPACING_LESS,  MyFrame::OnParagraphSpacingLess)
 435
 436     EVT_MENU(ID_RELOAD,  MyFrame::OnReload)
 437
 438     EVT_MENU(ID_INSERT_SYMBOL,  MyFrame::OnInsertSymbol)
 439     EVT_MENU(ID_INSERT_URL,  MyFrame::OnInsertURL)
 440     EVT_MENU(ID_INSERT_IMAGE, MyFrame::OnInsertImage)
 441
 442     EVT_MENU(ID_FORMAT_NUMBER_LIST, MyFrame::OnNumberList)
 443     EVT_MENU(ID_FORMAT_BULLETS_AND_NUMBERING, MyFrame::OnBulletsAndNumbering)
 444     EVT_MENU(ID_FORMAT_ITEMIZE_LIST, MyFrame::OnItemizeList)
 445     EVT_MENU(ID_FORMAT_RENUMBER_LIST, MyFrame::OnRenumberList)
 446     EVT_MENU(ID_FORMAT_PROMOTE_LIST, MyFrame::OnPromoteList)
 447     EVT_MENU(ID_FORMAT_DEMOTE_LIST, MyFrame::OnDemoteList)
 448     EVT_MENU(ID_FORMAT_CLEAR_LIST, MyFrame::OnClearList)
 449
 450     EVT_MENU(ID_VIEW_HTML, MyFrame::OnViewHTML)
 451     EVT_MENU(ID_SWITCH_STYLE_SHEETS, MyFrame::OnSwitchStyleSheets)
 452     EVT_MENU(ID_MANAGE_STYLES, MyFrame::OnManageStyles)
 453
 454     EVT_MENU(ID_PRINT, MyFrame::OnPrint)
 455     EVT_MENU(ID_PREVIEW, MyFrame::OnPreview)
 456     EVT_MENU(ID_PAGE_SETUP, MyFrame::OnPageSetup)
 457
 458     EVT_TEXT_URL(wxID_ANY, MyFrame::OnURL)
 459     EVT_RICHTEXT_STYLESHEET_REPLACING(wxID_ANY, MyFrame::OnStyleSheetReplacing)
 460
 461     EVT_MENU(ID_SET_FONT_SCALE, MyFrame::OnSetFontScale)
 462     EVT_MENU(ID_SET_DIMENSION_SCALE, MyFrame::OnSetDimensionScale)
 463 END_EVENT_TABLE()
 464
 465 // Create a new application object: this macro will allow wxWidgets to create
 466 // the application object during program execution (it's better than using a
 467 // static object for many reasons) and also implements the accessor function
 468 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 469 // not wxApp)
 470 IMPLEMENT_APP(MyApp)
 471
 472 // ============================================================================
 473 // implementation
 474 // ============================================================================
 475
 476 // ----------------------------------------------------------------------------
 477 // the application class
 478 // ----------------------------------------------------------------------------
 479
 480 // 'Main program' equivalent: the program execution "starts" here
 481 bool MyApp::OnInit()
 482 {
 483     if ( !wxApp::OnInit() )
 484         return false;
 485
 486 #if wxUSE_HELP
 487     wxHelpProvider::Set(new wxSimpleHelpProvider);
 488 #endif
 489
 490     m_styleSheet = new wxRichTextStyleSheet;
 491     m_printing = new wxRichTextPrinting(wxT("Test Document"));
 492
 493     m_printing->SetFooterText(wxT("@TITLE@"), wxRICHTEXT_PAGE_ALL, wxRICHTEXT_PAGE_CENTRE);
 494     m_printing->SetFooterText(wxT("Page @PAGENUM@"), wxRICHTEXT_PAGE_ALL, wxRICHTEXT_PAGE_RIGHT);
 495
 496     CreateStyles();
 497
 498     MyRichTextCtrl::SetEnhancedDrawingHandler();
 499
 500     // Add extra handlers (plain text is automatically added)
 501     wxRichTextBuffer::AddHandler(new wxRichTextXMLHandler);
 502     wxRichTextBuffer::AddHandler(new wxRichTextHTMLHandler);
 503
 504     // Add field types
 505
 506     wxRichTextBuffer::AddFieldType(new wxRichTextFieldTypePropertiesTest(wxT("rectangle"), wxT("RECTANGLE"), wxRichTextFieldTypeStandard::wxRICHTEXT_FIELD_STYLE_RECTANGLE));
 507
 508     wxRichTextFieldTypeStandard* s1 = new wxRichTextFieldTypeStandard(wxT("begin-section"), wxT("SECTION"), wxRichTextFieldTypeStandard::wxRICHTEXT_FIELD_STYLE_START_TAG);
 509     s1->SetBackgroundColour(*wxBLUE);
 510
 511     wxRichTextFieldTypeStandard* s2 = new wxRichTextFieldTypeStandard(wxT("end-section"), wxT("SECTION"), wxRichTextFieldTypeStandard::wxRICHTEXT_FIELD_STYLE_END_TAG);
 512     s2->SetBackgroundColour(*wxBLUE);
 513
 514     wxRichTextFieldTypeStandard* s3 = new wxRichTextFieldTypeStandard(wxT("bitmap"), wxBitmap(paste_xpm), wxRichTextFieldTypeStandard::wxRICHTEXT_FIELD_STYLE_NO_BORDER);
 515
 516     wxRichTextBuffer::AddFieldType(s1);
 517     wxRichTextBuffer::AddFieldType(s2);
 518     wxRichTextBuffer::AddFieldType(s3);
 519
 520     wxRichTextFieldTypeCompositeTest* s4 = new wxRichTextFieldTypeCompositeTest(wxT("composite"), wxT("This is a field value"));
 521     wxRichTextBuffer::AddFieldType(s4);
 522
 523     // Add image handlers
 524 #if wxUSE_LIBPNG
 525     wxImage::AddHandler( new wxPNGHandler );
 526 #endif
 527
 528 #if wxUSE_LIBJPEG
 529     wxImage::AddHandler( new wxJPEGHandler );
 530 #endif
 531
 532 #if wxUSE_GIF
 533     wxImage::AddHandler( new wxGIFHandler );
 534 #endif
 535
 536 #if wxUSE_FILESYSTEM
 537     wxFileSystem::AddHandler( new wxMemoryFSHandler );
 538 #endif
 539
 540     // create the main application window
 541     MyFrame *frame = new MyFrame(wxT("wxRichTextCtrl Sample"), wxID_ANY, wxDefaultPosition, wxSize(700, 600));
 542
 543     m_printing->SetParentWindow(frame);
 544
 545     // and show it (the frames, unlike simple controls, are not shown when
 546     // created initially)
 547     frame->Show(true);
 548
 549     // success: wxApp::OnRun() will be called which will enter the main message
 550     // loop and the application will run. If we returned false here, the
 551     // application would exit immediately.
 552     return true;
 553 }
 554
 555 int MyApp::OnExit()
 556 {
 557     delete m_printing;
 558     delete m_styleSheet;
 559
 560     return 0;
 561 }
 562
 563 void MyApp::CreateStyles()
 564 {
 565     // Paragraph styles
 566
 567     wxFont romanFont(12, wxROMAN, wxNORMAL, wxNORMAL);
 568     wxFont swissFont(12, wxSWISS, wxNORMAL, wxNORMAL);
 569
 570     wxRichTextParagraphStyleDefinition* normalPara = new wxRichTextParagraphStyleDefinition(wxT("Normal"));
 571     wxRichTextAttr normalAttr;
 572     normalAttr.SetFontFaceName(romanFont.GetFaceName());
 573     normalAttr.SetFontSize(12);
 574     // Let's set all attributes for this style
 575     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|
 576                             wxTEXT_ATTR_PARA_SPACING_BEFORE|wxTEXT_ATTR_PARA_SPACING_AFTER|wxTEXT_ATTR_LINE_SPACING|
 577                             wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_BULLET_NUMBER);
 578     normalPara->SetStyle(normalAttr);
 579
 580     m_styleSheet->AddParagraphStyle(normalPara);
 581
 582     wxRichTextParagraphStyleDefinition* indentedPara = new wxRichTextParagraphStyleDefinition(wxT("Indented"));
 583     wxRichTextAttr indentedAttr;
 584     indentedAttr.SetFontFaceName(romanFont.GetFaceName());
 585     indentedAttr.SetFontSize(12);
 586     indentedAttr.SetLeftIndent(100, 0);
 587     // We only want to affect indentation
 588     indentedAttr.SetFlags(wxTEXT_ATTR_LEFT_INDENT|wxTEXT_ATTR_RIGHT_INDENT);
 589     indentedPara->SetStyle(indentedAttr);
 590
 591     m_styleSheet->AddParagraphStyle(indentedPara);
 592
 593     wxRichTextParagraphStyleDefinition* indentedPara2 = new wxRichTextParagraphStyleDefinition(wxT("Red Bold Indented"));
 594     wxRichTextAttr indentedAttr2;
 595     indentedAttr2.SetFontFaceName(romanFont.GetFaceName());
 596     indentedAttr2.SetFontSize(12);
 597     indentedAttr2.SetFontWeight(wxFONTWEIGHT_BOLD);
 598     indentedAttr2.SetTextColour(*wxRED);
 599     indentedAttr2.SetFontSize(12);
 600     indentedAttr2.SetLeftIndent(100, 0);
 601     // We want to affect indentation, font and text colour
 602     indentedAttr2.SetFlags(wxTEXT_ATTR_LEFT_INDENT|wxTEXT_ATTR_RIGHT_INDENT|wxTEXT_ATTR_FONT|wxTEXT_ATTR_TEXT_COLOUR);
 603     indentedPara2->SetStyle(indentedAttr2);
 604
 605     m_styleSheet->AddParagraphStyle(indentedPara2);
 606
 607     wxRichTextParagraphStyleDefinition* flIndentedPara = new wxRichTextParagraphStyleDefinition(wxT("First Line Indented"));
 608     wxRichTextAttr flIndentedAttr;
 609     flIndentedAttr.SetFontFaceName(swissFont.GetFaceName());
 610     flIndentedAttr.SetFontSize(12);
 611     flIndentedAttr.SetLeftIndent(100, -100);
 612     // We only want to affect indentation
 613     flIndentedAttr.SetFlags(wxTEXT_ATTR_LEFT_INDENT|wxTEXT_ATTR_RIGHT_INDENT);
 614     flIndentedPara->SetStyle(flIndentedAttr);
 615
 616     m_styleSheet->AddParagraphStyle(flIndentedPara);
 617
 618     // Character styles
 619
 620     wxRichTextCharacterStyleDefinition* boldDef = new wxRichTextCharacterStyleDefinition(wxT("Bold"));
 621     wxRichTextAttr boldAttr;
 622     boldAttr.SetFontFaceName(romanFont.GetFaceName());
 623     boldAttr.SetFontSize(12);
 624     boldAttr.SetFontWeight(wxFONTWEIGHT_BOLD);
 625     // We only want to affect boldness
 626     boldAttr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
 627     boldDef->SetStyle(boldAttr);
 628
 629     m_styleSheet->AddCharacterStyle(boldDef);
 630
 631     wxRichTextCharacterStyleDefinition* italicDef = new wxRichTextCharacterStyleDefinition(wxT("Italic"));
 632     wxRichTextAttr italicAttr;
 633     italicAttr.SetFontFaceName(romanFont.GetFaceName());
 634     italicAttr.SetFontSize(12);
 635     italicAttr.SetFontStyle(wxFONTSTYLE_ITALIC);
 636     // We only want to affect italics
 637     italicAttr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
 638     italicDef->SetStyle(italicAttr);
 639
 640     m_styleSheet->AddCharacterStyle(italicDef);
 641
 642     wxRichTextCharacterStyleDefinition* redDef = new wxRichTextCharacterStyleDefinition(wxT("Red Bold"));
 643     wxRichTextAttr redAttr;
 644     redAttr.SetFontFaceName(romanFont.GetFaceName());
 645     redAttr.SetFontSize(12);
 646     redAttr.SetFontWeight(wxFONTWEIGHT_BOLD);
 647     redAttr.SetTextColour(*wxRED);
 648     // We only want to affect colour, weight and face
 649     redAttr.SetFlags(wxTEXT_ATTR_FONT_FACE|wxTEXT_ATTR_FONT_WEIGHT|wxTEXT_ATTR_TEXT_COLOUR);
 650     redDef->SetStyle(redAttr);
 651
 652     m_styleSheet->AddCharacterStyle(redDef);
 653
 654     wxRichTextListStyleDefinition* bulletList = new wxRichTextListStyleDefinition(wxT("Bullet List 1"));
 655     int i;
 656     for (i = 0; i < 10; i++)
 657     {
 658         wxString bulletText;
 659         if (i == 0)
 660             bulletText = wxT("standard/circle");
 661         else if (i == 1)
 662             bulletText = wxT("standard/square");
 663         else if (i == 2)
 664             bulletText = wxT("standard/circle");
 665         else if (i == 3)
 666             bulletText = wxT("standard/square");
 667         else
 668             bulletText = wxT("standard/circle");
 669
 670         bulletList->SetAttributes(i, (i+1)*60, 60, wxTEXT_ATTR_BULLET_STYLE_STANDARD, bulletText);
 671     }
 672
 673     m_styleSheet->AddListStyle(bulletList);
 674
 675     wxRichTextListStyleDefinition* numberedList = new wxRichTextListStyleDefinition(wxT("Numbered List 1"));
 676     for (i = 0; i < 10; i++)
 677     {
 678         long numberStyle;
 679         if (i == 0)
 680             numberStyle = wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_PERIOD;
 681         else if (i == 1)
 682             numberStyle = wxTEXT_ATTR_BULLET_STYLE_LETTERS_LOWER|wxTEXT_ATTR_BULLET_STYLE_PARENTHESES;
 683         else if (i == 2)
 684             numberStyle = wxTEXT_ATTR_BULLET_STYLE_ROMAN_LOWER|wxTEXT_ATTR_BULLET_STYLE_PARENTHESES;
 685         else if (i == 3)
 686             numberStyle = wxTEXT_ATTR_BULLET_STYLE_ROMAN_UPPER|wxTEXT_ATTR_BULLET_STYLE_PARENTHESES;
 687         else
 688             numberStyle = wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_PERIOD;
 689
 690         numberStyle |= wxTEXT_ATTR_BULLET_STYLE_ALIGN_RIGHT;
 691
 692         numberedList->SetAttributes(i, (i+1)*60, 60, numberStyle);
 693     }
 694
 695     m_styleSheet->AddListStyle(numberedList);
 696
 697     wxRichTextListStyleDefinition* outlineList = new wxRichTextListStyleDefinition(wxT("Outline List 1"));
 698     for (i = 0; i < 10; i++)
 699     {
 700         long numberStyle;
 701         if (i < 4)
 702             numberStyle = wxTEXT_ATTR_BULLET_STYLE_OUTLINE|wxTEXT_ATTR_BULLET_STYLE_PERIOD;
 703         else
 704             numberStyle = wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_PERIOD;
 705
 706         outlineList->SetAttributes(i, (i+1)*120, 120, numberStyle);
 707     }
 708
 709     m_styleSheet->AddListStyle(outlineList);
 710 }
 711
 712 // ----------------------------------------------------------------------------
 713 // main frame
 714 // ----------------------------------------------------------------------------
 715
 716 // frame constructor
 717 MyFrame::MyFrame(const wxString& title, wxWindowID id, const wxPoint& pos,
 718         const wxSize& size, long style)
 719        : wxFrame(NULL, id, title, pos, size, style)
 720 {
 721 #ifdef __WXMAC__
 722     SetWindowVariant(wxWINDOW_VARIANT_SMALL);
 723 #endif
 724
 725     // set the frame icon
 726     SetIcon(wxICON(sample));
 727
 728     // create a menu bar
 729     wxMenu *fileMenu = new wxMenu;
 730
 731     // the "About" item should be in the help menu
 732     wxMenu *helpMenu = new wxMenu;
 733     helpMenu->Append(ID_About, wxT("&About\tF1"), wxT("Show about dialog"));
 734
 735     fileMenu->Append(wxID_OPEN, wxT("&Open\tCtrl+O"), wxT("Open a file"));
 736     fileMenu->Append(wxID_SAVE, wxT("&Save\tCtrl+S"), wxT("Save a file"));
 737     fileMenu->Append(wxID_SAVEAS, wxT("&Save As...\tF12"), wxT("Save to a new file"));
 738     fileMenu->AppendSeparator();
 739     fileMenu->Append(ID_RELOAD, wxT("&Reload Text\tF2"), wxT("Reload the initial text"));
 740     fileMenu->AppendSeparator();
 741     fileMenu->Append(ID_PAGE_SETUP, wxT("Page Set&up..."), wxT("Page setup"));
 742     fileMenu->Append(ID_PRINT, wxT("&Print...\tCtrl+P"), wxT("Print"));
 743     fileMenu->Append(ID_PREVIEW, wxT("Print Pre&view"), wxT("Print preview"));
 744     fileMenu->AppendSeparator();
 745     fileMenu->Append(ID_VIEW_HTML, wxT("&View as HTML"), wxT("View HTML"));
 746     fileMenu->AppendSeparator();
 747     fileMenu->Append(ID_Quit, wxT("E&xit\tAlt+X"), wxT("Quit this program"));
 748
 749     wxMenu* editMenu = new wxMenu;
 750     editMenu->Append(wxID_UNDO, _("&Undo\tCtrl+Z"));
 751     editMenu->Append(wxID_REDO, _("&Redo\tCtrl+Y"));
 752     editMenu->AppendSeparator();
 753     editMenu->Append(wxID_CUT, _("Cu&t\tCtrl+X"));
 754     editMenu->Append(wxID_COPY, _("&Copy\tCtrl+C"));
 755     editMenu->Append(wxID_PASTE, _("&Paste\tCtrl+V"));
 756
 757     editMenu->AppendSeparator();
 758     editMenu->Append(wxID_SELECTALL, _("Select A&ll\tCtrl+A"));
 759     editMenu->AppendSeparator();
 760     editMenu->Append(ID_SET_FONT_SCALE, _("Set &Text Scale..."));
 761     editMenu->Append(ID_SET_DIMENSION_SCALE, _("Set &Dimension Scale..."));
 762
 763     wxMenu* formatMenu = new wxMenu;
 764     formatMenu->AppendCheckItem(ID_FORMAT_BOLD, _("&Bold\tCtrl+B"));
 765     formatMenu->AppendCheckItem(ID_FORMAT_ITALIC, _("&Italic\tCtrl+I"));
 766     formatMenu->AppendCheckItem(ID_FORMAT_UNDERLINE, _("&Underline\tCtrl+U"));
 767     formatMenu->AppendSeparator();
 768     formatMenu->AppendCheckItem(ID_FORMAT_STRIKETHROUGH, _("Stri&kethrough"));
 769     formatMenu->AppendCheckItem(ID_FORMAT_SUPERSCRIPT, _("Superscrip&t"));
 770     formatMenu->AppendCheckItem(ID_FORMAT_SUBSCRIPT, _("Subscrip&t"));
 771     formatMenu->AppendSeparator();
 772     formatMenu->AppendCheckItem(ID_FORMAT_ALIGN_LEFT, _("L&eft Align"));
 773     formatMenu->AppendCheckItem(ID_FORMAT_ALIGN_RIGHT, _("&Right Align"));
 774     formatMenu->AppendCheckItem(ID_FORMAT_ALIGN_CENTRE, _("&Centre"));
 775     formatMenu->AppendSeparator();
 776     formatMenu->Append(ID_FORMAT_INDENT_MORE, _("Indent &More"));
 777     formatMenu->Append(ID_FORMAT_INDENT_LESS, _("Indent &Less"));
 778     formatMenu->AppendSeparator();
 779     formatMenu->Append(ID_FORMAT_PARAGRAPH_SPACING_MORE, _("Increase Paragraph &Spacing"));
 780     formatMenu->Append(ID_FORMAT_PARAGRAPH_SPACING_LESS, _("Decrease &Paragraph Spacing"));
 781     formatMenu->AppendSeparator();
 782     formatMenu->Append(ID_FORMAT_LINE_SPACING_SINGLE, _("Normal Line Spacing"));
 783     formatMenu->Append(ID_FORMAT_LINE_SPACING_HALF, _("1.5 Line Spacing"));
 784     formatMenu->Append(ID_FORMAT_LINE_SPACING_DOUBLE, _("Double Line Spacing"));
 785     formatMenu->AppendSeparator();
 786     formatMenu->Append(ID_FORMAT_FONT, _("&Font..."));
 787     formatMenu->Append(ID_FORMAT_IMAGE, _("Image Property"));
 788     formatMenu->Append(ID_FORMAT_PARAGRAPH, _("&Paragraph..."));
 789     formatMenu->Append(ID_FORMAT_CONTENT, _("Font and Pa&ragraph...\tShift+Ctrl+F"));
 790     formatMenu->AppendSeparator();
 791     formatMenu->Append(ID_SWITCH_STYLE_SHEETS, _("&Switch Style Sheets"));
 792     formatMenu->Append(ID_MANAGE_STYLES, _("&Manage Styles"));
 793
 794     wxMenu* listsMenu = new wxMenu;
 795     listsMenu->Append(ID_FORMAT_BULLETS_AND_NUMBERING, _("Bullets and &Numbering..."));
 796     listsMenu->AppendSeparator();
 797     listsMenu->Append(ID_FORMAT_NUMBER_LIST, _("Number List"));
 798     listsMenu->Append(ID_FORMAT_ITEMIZE_LIST, _("Itemize List"));
 799     listsMenu->Append(ID_FORMAT_RENUMBER_LIST, _("Renumber List"));
 800     listsMenu->Append(ID_FORMAT_PROMOTE_LIST, _("Promote List Items"));
 801     listsMenu->Append(ID_FORMAT_DEMOTE_LIST, _("Demote List Items"));
 802     listsMenu->Append(ID_FORMAT_CLEAR_LIST, _("Clear List Formatting"));
 803
 804     wxMenu* insertMenu = new wxMenu;
 805     insertMenu->Append(ID_INSERT_SYMBOL, _("&Symbol...\tCtrl+I"));
 806     insertMenu->Append(ID_INSERT_URL, _("&URL..."));
 807     insertMenu->Append(ID_INSERT_IMAGE, _("&Image..."));
 808
 809     // now append the freshly created menu to the menu bar...
 810     wxMenuBar *menuBar = new wxMenuBar();
 811     menuBar->Append(fileMenu, wxT("&File"));
 812     menuBar->Append(editMenu, wxT("&Edit"));
 813     menuBar->Append(formatMenu, wxT("F&ormat"));
 814     menuBar->Append(listsMenu, wxT("&Lists"));
 815     menuBar->Append(insertMenu, wxT("&Insert"));
 816     menuBar->Append(helpMenu, wxT("&Help"));
 817
 818     // ... and attach this menu bar to the frame
 819     SetMenuBar(menuBar);
 820
 821     // create a status bar just for fun (by default with 1 pane only)
 822     // but don't create it on limited screen space (WinCE)
 823     bool is_pda = wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA;
 824
 825 #if wxUSE_STATUSBAR
 826     if ( !is_pda )
 827     {
 828         CreateStatusBar(2);
 829         SetStatusText(wxT("Welcome to wxRichTextCtrl!"));
 830     }
 831 #endif
 832
 833     wxBoxSizer* sizer = new wxBoxSizer(wxVERTICAL);
 834     SetSizer(sizer);
 835
 836     // On Mac, don't create a 'native' wxToolBar because small bitmaps are not supported by native
 837     // toolbars. On Mac, a non-native, small-bitmap toolbar doesn't show unless it is explicitly
 838     // managed, hence the use of sizers. In a real application, use larger icons for the main
 839     // toolbar to avoid the need for this workaround. Or, use the toolbar in a container window
 840     // as part of a more complex hierarchy, and the toolbar will automatically be non-native.
 841
 842     wxSystemOptions::SetOption(wxT("mac.toolbar.no-native"), 1);
 843
 844     wxToolBar* toolBar = new wxToolBar(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
 845                                        wxNO_BORDER|wxTB_FLAT|wxTB_NODIVIDER|wxTB_NOALIGN);
 846
 847     sizer->Add(toolBar, 0, wxEXPAND);
 848
 849     toolBar->AddTool(wxID_OPEN, wxEmptyString, wxBitmap(open_xpm), _("Open"));
 850     toolBar->AddTool(wxID_SAVEAS, wxEmptyString, wxBitmap(save_xpm), _("Save"));
 851     toolBar->AddSeparator();
 852     toolBar->AddTool(wxID_CUT, wxEmptyString, wxBitmap(cut_xpm), _("Cut"));
 853     toolBar->AddTool(wxID_COPY, wxEmptyString, wxBitmap(copy_xpm), _("Copy"));
 854     toolBar->AddTool(wxID_PASTE, wxEmptyString, wxBitmap(paste_xpm), _("Paste"));
 855     toolBar->AddSeparator();
 856     toolBar->AddTool(wxID_UNDO, wxEmptyString, wxBitmap(undo_xpm), _("Undo"));
 857     toolBar->AddTool(wxID_REDO, wxEmptyString, wxBitmap(redo_xpm), _("Redo"));
 858     toolBar->AddSeparator();
 859     toolBar->AddCheckTool(ID_FORMAT_BOLD, wxEmptyString, wxBitmap(bold_xpm), wxNullBitmap, _("Bold"));
 860     toolBar->AddCheckTool(ID_FORMAT_ITALIC, wxEmptyString, wxBitmap(italic_xpm), wxNullBitmap, _("Italic"));
 861     toolBar->AddCheckTool(ID_FORMAT_UNDERLINE, wxEmptyString, wxBitmap(underline_xpm), wxNullBitmap, _("Underline"));
 862     toolBar->AddSeparator();
 863     toolBar->AddCheckTool(ID_FORMAT_ALIGN_LEFT, wxEmptyString, wxBitmap(alignleft_xpm), wxNullBitmap, _("Align Left"));
 864     toolBar->AddCheckTool(ID_FORMAT_ALIGN_CENTRE, wxEmptyString, wxBitmap(centre_xpm), wxNullBitmap, _("Centre"));
 865     toolBar->AddCheckTool(ID_FORMAT_ALIGN_RIGHT, wxEmptyString, wxBitmap(alignright_xpm), wxNullBitmap, _("Align Right"));
 866     toolBar->AddSeparator();
 867     toolBar->AddTool(ID_FORMAT_INDENT_LESS, wxEmptyString, wxBitmap(indentless_xpm), _("Indent Less"));
 868     toolBar->AddTool(ID_FORMAT_INDENT_MORE, wxEmptyString, wxBitmap(indentmore_xpm), _("Indent More"));
 869     toolBar->AddSeparator();
 870     toolBar->AddTool(ID_FORMAT_FONT, wxEmptyString, wxBitmap(font_xpm), _("Font"));
 871     toolBar->AddSeparator();
 872
 873     wxRichTextStyleComboCtrl* combo = new wxRichTextStyleComboCtrl(toolBar, ID_RICHTEXT_STYLE_COMBO, wxDefaultPosition, wxSize(160, -1), wxCB_READONLY);
 874     toolBar->AddControl(combo);
 875
 876     toolBar->Realize();
 877
 878     wxSplitterWindow* splitter = new wxSplitterWindow(this, wxID_ANY, wxDefaultPosition, wxSize(100,100), wxSP_LIVE_UPDATE);
 879     sizer->Add(splitter, 1, wxEXPAND);
 880
 881     wxFont textFont = wxFont(12, wxROMAN, wxNORMAL, wxNORMAL);
 882     wxFont boldFont = wxFont(12, wxROMAN, wxNORMAL, wxBOLD);
 883     wxFont italicFont = wxFont(12, wxROMAN, wxITALIC, wxNORMAL);
 884
 885     m_richTextCtrl = new MyRichTextCtrl(splitter, ID_RICHTEXT_CTRL, wxEmptyString, wxDefaultPosition, wxSize(200, 200), wxVSCROLL|wxHSCROLL|wxWANTS_CHARS);
 886     wxASSERT(!m_richTextCtrl->GetBuffer().GetAttributes().HasFontPixelSize());
 887
 888     wxFont font(12, wxROMAN, wxNORMAL, wxNORMAL);
 889
 890     m_richTextCtrl->SetFont(font);
 891
 892     wxASSERT(!m_richTextCtrl->GetBuffer().GetAttributes().HasFontPixelSize());
 893
 894     m_richTextCtrl->SetMargins(10, 10);
 895
 896     m_richTextCtrl->SetStyleSheet(wxGetApp().GetStyleSheet());
 897
 898     combo->SetStyleSheet(wxGetApp().GetStyleSheet());
 899     combo->SetRichTextCtrl(m_richTextCtrl);
 900     combo->UpdateStyles();
 901
 902     wxRichTextStyleListCtrl* styleListCtrl = new wxRichTextStyleListCtrl(splitter, ID_RICHTEXT_STYLE_LIST);
 903
 904     wxSize display = wxGetDisplaySize();
 905     if ( is_pda && ( display.GetWidth() < display.GetHeight() ) )
 906     {
 907         splitter->SplitHorizontally(m_richTextCtrl, styleListCtrl);
 908     }
 909     else
 910     {
 911         splitter->SplitVertically(m_richTextCtrl, styleListCtrl, 500);
 912     }
 913
 914     Layout();
 915
 916     splitter->UpdateSize();
 917
 918     styleListCtrl->SetStyleSheet(wxGetApp().GetStyleSheet());
 919     styleListCtrl->SetRichTextCtrl(m_richTextCtrl);
 920     styleListCtrl->UpdateStyles();
 921
 922     WriteInitialText();
 923 }
 924
 925 // Write text
 926 void MyFrame::WriteInitialText()
 927 {
 928     MyRichTextCtrl& r = *m_richTextCtrl;
 929
 930     r.SetDefaultStyle(wxRichTextAttr());
 931
 932     r.Freeze();
 933
 934     r.BeginSuppressUndo();
 935
 936     r.BeginParagraphSpacing(0, 20);
 937
 938     r.BeginAlignment(wxTEXT_ALIGNMENT_CENTRE);
 939     r.BeginBold();
 940
 941     r.BeginFontSize(14);
 942
 943     wxString lineBreak = (wxChar) 29;
 944
 945     r.WriteText(wxString(wxT("Welcome to wxRichTextCtrl, a wxWidgets control")) + lineBreak + wxT("for editing and presenting styled text and images\n"));
 946     r.EndFontSize();
 947
 948     r.BeginItalic();
 949     r.WriteText(wxT("by Julian Smart"));
 950     r.EndItalic();
 951
 952     r.EndBold();
 953     r.Newline();
 954
 955     r.WriteImage(wxBitmap(zebra_xpm));
 956
 957     r.Newline();
 958     r.Newline();
 959
 960     r.EndAlignment();
 961
 962 #if 0
 963     r.BeginAlignment(wxTEXT_ALIGNMENT_CENTRE);
 964     r.WriteText(wxString(wxT("This is a simple test for a floating left image test. The zebra image should be placed at the left side of the current buffer and all the text should flow around it at the right side. This is a simple test for a floating left image test. The zebra image should be placed at the left side of the current buffer and all the text should flow around it at the right side. This is a simple test for a floating left image test. The zebra image should be placed at the left side of the current buffer and all the text should flow around it at the right side.")));
 965     r.Newline();
 966     r.EndAlignment();
 967 #endif
 968
 969     r.BeginAlignment(wxTEXT_ALIGNMENT_LEFT);
 970     wxRichTextAttr imageAttr;
 971     imageAttr.GetTextBoxAttr().SetFloatMode(wxTEXT_BOX_ATTR_FLOAT_LEFT);
 972     r.WriteText(wxString(wxT("This is a simple test for a floating left image test. The zebra image should be placed at the left side of the current buffer and all the text should flow around it at the right side. This is a simple test for a floating left image test. The zebra image should be placed at the left side of the current buffer and all the text should flow around it at the right side. This is a simple test for a floating left image test. The zebra image should be placed at the left side of the current buffer and all the text should flow around it at the right side.")));
 973     r.WriteImage(wxBitmap(zebra_xpm), wxBITMAP_TYPE_PNG, imageAttr);
 974
 975     imageAttr.GetTextBoxAttr().GetTop().SetValue(200);
 976     imageAttr.GetTextBoxAttr().GetTop().SetUnits(wxTEXT_ATTR_UNITS_PIXELS);
 977     imageAttr.GetTextBoxAttr().SetFloatMode(wxTEXT_BOX_ATTR_FLOAT_RIGHT);
 978     r.WriteImage(wxBitmap(zebra_xpm), wxBITMAP_TYPE_PNG, imageAttr);
 979     r.WriteText(wxString(wxT("This is a simple test for a floating right image test. The zebra image should be placed at the right side of the current buffer and all the text should flow around it at the left side. This is a simple test for a floating left image test. The zebra image should be placed at the right side of the current buffer and all the text should flow around it at the left side. This is a simple test for a floating left image test. The zebra image should be placed at the right side of the current buffer and all the text should flow around it at the left side.")));
 980     r.EndAlignment();
 981     r.Newline();
 982
 983     r.WriteText(wxT("What can you do with this thing? "));
 984
 985     r.WriteImage(wxBitmap(smiley_xpm));
 986     r.WriteText(wxT(" Well, you can change text "));
 987
 988     r.BeginTextColour(wxColour(255, 0, 0));
 989     r.WriteText(wxT("colour, like this red bit."));
 990     r.EndTextColour();
 991
 992     wxRichTextAttr backgroundColourAttr;
 993     backgroundColourAttr.SetBackgroundColour(*wxGREEN);
 994     backgroundColourAttr.SetTextColour(wxColour(0, 0, 255));
 995     r.BeginStyle(backgroundColourAttr);
 996     r.WriteText(wxT(" And this blue on green bit."));
 997     r.EndStyle();
 998
 999     r.WriteText(wxT(" Naturally you can make things "));
1000     r.BeginBold();
1001     r.WriteText(wxT("bold "));
1002     r.EndBold();
1003     r.BeginItalic();
1004     r.WriteText(wxT("or italic "));
1005     r.EndItalic();
1006     r.BeginUnderline();
1007     r.WriteText(wxT("or underlined."));
1008     r.EndUnderline();
1009
1010     r.BeginFontSize(14);
1011     r.WriteText(wxT(" Different font sizes on the same line is allowed, too."));
1012     r.EndFontSize();
1013
1014     r.WriteText(wxT(" Next we'll show an indented paragraph."));
1015
1016     r.Newline();
1017
1018     r.BeginLeftIndent(60);
1019     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."));
1020     r.Newline();
1021
1022     r.EndLeftIndent();
1023
1024     r.WriteText(wxT("Next, we'll show a first-line indent, achieved using BeginLeftIndent(100, -40)."));
1025
1026     r.Newline();
1027
1028     r.BeginLeftIndent(100, -40);
1029
1030     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."));
1031     r.Newline();
1032
1033     r.EndLeftIndent();
1034
1035     r.WriteText(wxT("Numbered bullets are possible, again using subindents:"));
1036     r.Newline();
1037
1038     r.BeginNumberedBullet(1, 100, 60);
1039     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."));
1040     r.Newline();
1041     r.EndNumberedBullet();
1042
1043     r.BeginNumberedBullet(2, 100, 60);
1044     r.WriteText(wxT("This is my second item."));
1045     r.Newline();
1046     r.EndNumberedBullet();
1047
1048     r.WriteText(wxT("The following paragraph is right-indented:"));
1049     r.Newline();
1050
1051     r.BeginRightIndent(200);
1052
1053     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."));
1054     r.Newline();
1055
1056     r.EndRightIndent();
1057
1058     r.WriteText(wxT("The following paragraph is right-aligned with 1.5 line spacing:"));
1059     r.Newline();
1060
1061     r.BeginAlignment(wxTEXT_ALIGNMENT_RIGHT);
1062     r.BeginLineSpacing(wxTEXT_ATTR_LINE_SPACING_HALF);
1063     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."));
1064     r.Newline();
1065     r.EndLineSpacing();
1066     r.EndAlignment();
1067
1068     wxArrayInt tabs;
1069     tabs.Add(400);
1070     tabs.Add(600);
1071     tabs.Add(800);
1072     tabs.Add(1000);
1073     wxRichTextAttr attr;
1074     attr.SetFlags(wxTEXT_ATTR_TABS);
1075     attr.SetTabs(tabs);
1076     r.SetDefaultStyle(attr);
1077
1078     r.WriteText(wxT("This line contains tabs:\tFirst tab\tSecond tab\tThird tab"));
1079     r.Newline();
1080
1081     r.WriteText(wxT("Other notable features of wxRichTextCtrl include:"));
1082     r.Newline();
1083
1084     r.BeginSymbolBullet(wxT('*'), 100, 60);
1085     r.WriteText(wxT("Compatibility with wxTextCtrl API"));
1086     r.Newline();
1087     r.EndSymbolBullet();
1088
1089     r.BeginSymbolBullet(wxT('*'), 100, 60);
1090     r.WriteText(wxT("Easy stack-based BeginXXX()...EndXXX() style setting in addition to SetStyle()"));
1091     r.Newline();
1092     r.EndSymbolBullet();
1093
1094     r.BeginSymbolBullet(wxT('*'), 100, 60);
1095     r.WriteText(wxT("XML loading and saving"));
1096     r.Newline();
1097     r.EndSymbolBullet();
1098
1099     r.BeginSymbolBullet(wxT('*'), 100, 60);
1100     r.WriteText(wxT("Undo/Redo, with batching option and Undo suppressing"));
1101     r.Newline();
1102     r.EndSymbolBullet();
1103
1104     r.BeginSymbolBullet(wxT('*'), 100, 60);
1105     r.WriteText(wxT("Clipboard copy and paste"));
1106     r.Newline();
1107     r.EndSymbolBullet();
1108
1109     r.BeginSymbolBullet(wxT('*'), 100, 60);
1110     r.WriteText(wxT("wxRichTextStyleSheet with named character and paragraph styles, and control for applying named styles"));
1111     r.Newline();
1112     r.EndSymbolBullet();
1113
1114     r.BeginSymbolBullet(wxT('*'), 100, 60);
1115     r.WriteText(wxT("A design that can easily be extended to other content types, ultimately with text boxes, tables, controls, and so on"));
1116     r.Newline();
1117     r.EndSymbolBullet();
1118
1119     // Make a style suitable for showing a URL
1120     wxRichTextAttr urlStyle;
1121     urlStyle.SetTextColour(*wxBLUE);
1122     urlStyle.SetFontUnderlined(true);
1123
1124     r.WriteText(wxT("wxRichTextCtrl can also display URLs, such as this one: "));
1125     r.BeginStyle(urlStyle);
1126     r.BeginURL(wxT("http://www.wxwidgets.org"));
1127     r.WriteText(wxT("The wxWidgets Web Site"));
1128     r.EndURL();
1129     r.EndStyle();
1130     r.WriteText(wxT(". Click on the URL to generate an event."));
1131
1132     r.Newline();
1133
1134     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!\n"));
1135
1136     r.EndParagraphSpacing();
1137
1138 #if 1
1139     {
1140         // Add a text box
1141
1142         r.Newline();
1143
1144         wxRichTextAttr attr;
1145         attr.GetTextBoxAttr().GetMargins().GetLeft().SetValue(20, wxTEXT_ATTR_UNITS_PIXELS);
1146         attr.GetTextBoxAttr().GetMargins().GetTop().SetValue(20, wxTEXT_ATTR_UNITS_PIXELS);
1147         attr.GetTextBoxAttr().GetMargins().GetRight().SetValue(20, wxTEXT_ATTR_UNITS_PIXELS);
1148         attr.GetTextBoxAttr().GetMargins().GetBottom().SetValue(20, wxTEXT_ATTR_UNITS_PIXELS);
1149
1150         attr.GetTextBoxAttr().GetBorder().SetColour(*wxBLACK);
1151         attr.GetTextBoxAttr().GetBorder().SetWidth(1, wxTEXT_ATTR_UNITS_PIXELS);
1152         attr.GetTextBoxAttr().GetBorder().SetStyle(wxTEXT_BOX_ATTR_BORDER_SOLID);
1153
1154         wxRichTextBox* textBox = r.WriteTextBox(attr);
1155         r.SetFocusObject(textBox);
1156
1157         r.WriteText(wxT("This is a text box. Just testing! Once more unto the breach, dear friends, once more..."));
1158
1159         r.SetFocusObject(NULL); // Set the focus back to the main buffer
1160         r.SetInsertionPointEnd();
1161     }
1162 #endif
1163 #if 1
1164     {
1165         // Add a table
1166
1167         r.Newline();
1168
1169         wxRichTextAttr attr;
1170         attr.GetTextBoxAttr().GetMargins().GetLeft().SetValue(5, wxTEXT_ATTR_UNITS_PIXELS);
1171         attr.GetTextBoxAttr().GetMargins().GetTop().SetValue(5, wxTEXT_ATTR_UNITS_PIXELS);
1172         attr.GetTextBoxAttr().GetMargins().GetRight().SetValue(5, wxTEXT_ATTR_UNITS_PIXELS);
1173         attr.GetTextBoxAttr().GetMargins().GetBottom().SetValue(5, wxTEXT_ATTR_UNITS_PIXELS);
1174         attr.GetTextBoxAttr().GetPadding() = attr.GetTextBoxAttr().GetMargins();
1175
1176         attr.GetTextBoxAttr().GetBorder().SetColour(*wxBLACK);
1177         attr.GetTextBoxAttr().GetBorder().SetWidth(1, wxTEXT_ATTR_UNITS_PIXELS);
1178         attr.GetTextBoxAttr().GetBorder().SetStyle(wxTEXT_BOX_ATTR_BORDER_SOLID);
1179
1180         wxRichTextAttr cellAttr = attr;
1181         cellAttr.GetTextBoxAttr().GetWidth().SetValue(200, wxTEXT_ATTR_UNITS_PIXELS);
1182         cellAttr.GetTextBoxAttr().GetHeight().SetValue(150, wxTEXT_ATTR_UNITS_PIXELS);
1183
1184         wxRichTextTable* table = r.WriteTable(3, 2, attr, cellAttr);
1185         int i, j;
1186         for (j = 0; j < table->GetRowCount(); j++)
1187         {
1188             for (i = 0; i < table->GetColumnCount(); i++)
1189             {
1190                 wxString msg = wxString::Format(wxT("This is cell %d, %d"), (j+1), (i+1));
1191                 r.SetFocusObject(table->GetCell(j, i));
1192                 r.WriteText(msg);
1193             }
1194         }
1195         r.SetFocusObject(NULL); // Set the focus back to the main buffer
1196         r.SetInsertionPointEnd();
1197     }
1198 #endif
1199
1200     r.Newline();
1201
1202     wxRichTextProperties properties;
1203     r.WriteText(wxT("This is a rectangle field: "));
1204     r.WriteField(wxT("rectangle"), properties);
1205     r.WriteText(wxT(" and a begin section field: "));
1206     r.WriteField(wxT("begin-section"), properties);
1207     r.WriteText(wxT("This is text between the two tags."));
1208     r.WriteField(wxT("end-section"), properties);
1209     r.WriteText(wxT(" Now a bitmap. "));
1210     r.WriteField(wxT("bitmap"), properties);
1211     r.WriteText(wxT(" Before we go, here's a composite field: ***"));
1212     wxRichTextField* field = r.WriteField(wxT("composite"), properties);
1213     field->UpdateField(& r.GetBuffer()); // Creates the composite value (sort of a text box)
1214     r.WriteText(wxT("*** End of composite field."));
1215
1216     r.Newline();
1217     r.EndSuppressUndo();
1218
1219     // Add some locked content first - needs Undo to be enabled
1220     {
1221         r.BeginLock();
1222         r.WriteText(wxString(wxT("This is a locked object.")));
1223         r.EndLock();
1224
1225         r.WriteText(wxString(wxT(" This is unlocked text. ")));
1226
1227         r.BeginLock();
1228         r.WriteText(wxString(wxT("More locked content.")));
1229         r.EndLock();
1230         r.Newline();
1231
1232         // Flush the Undo buffer
1233         r.GetCommandProcessor()->ClearCommands();
1234     }
1235
1236     r.Thaw();
1237 }
1238
1239 // event handlers
1240
1241 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
1242 {
1243     // true is to force the frame to close
1244     Close(true);
1245 }
1246
1247 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
1248 {
1249     wxString msg;
1250     msg.Printf( wxT("This is a demo for wxRichTextCtrl, a control for editing styled text.\n(c) Julian Smart, 2005"));
1251     wxMessageBox(msg, wxT("About wxRichTextCtrl Sample"), wxOK | wxICON_INFORMATION, this);
1252 }
1253
1254 // Forward command events to the current rich text control, if any
1255 bool MyFrame::ProcessEvent(wxEvent& event)
1256 {
1257     if (event.IsCommandEvent() && !event.IsKindOf(CLASSINFO(wxChildFocusEvent)))
1258     {
1259         // Problem: we can get infinite recursion because the events
1260         // climb back up to this frame, and repeat.
1261         // Assume that command events don't cause another command event
1262         // to be called, so we can rely on inCommand not being overwritten
1263
1264         static int s_eventType = 0;
1265         static wxWindowID s_id = 0;
1266
1267         if (s_id != event.GetId() && s_eventType != event.GetEventType())
1268         {
1269             s_eventType = event.GetEventType();
1270             s_id = event.GetId();
1271
1272             wxWindow* focusWin = wxFindFocusDescendant(this);
1273             if (focusWin && focusWin->GetEventHandler()->ProcessEvent(event))
1274             {
1275                 //s_command = NULL;
1276                 s_eventType = 0;
1277                 s_id = 0;
1278                 return true;
1279             }
1280
1281             s_eventType = 0;
1282             s_id = 0;
1283         }
1284         else
1285         {
1286             return false;
1287         }
1288     }
1289
1290     return wxFrame::ProcessEvent(event);
1291 }
1292
1293 void MyFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
1294 {
1295     wxString path;
1296     wxString filename;
1297     wxArrayInt fileTypes;
1298
1299     wxString filter = wxRichTextBuffer::GetExtWildcard(false, false, & fileTypes);
1300     if (!filter.empty())
1301         filter += wxT("|");
1302     filter += wxT("All files (*.*)|*.*");
1303
1304     wxFileDialog dialog(this,
1305         _("Choose a filename"),
1306         path,
1307         filename,
1308         filter,
1309         wxFD_OPEN);
1310
1311     if (dialog.ShowModal() == wxID_OK)
1312     {
1313         wxString path = dialog.GetPath();
1314
1315         if (!path.empty())
1316         {
1317             int filterIndex = dialog.GetFilterIndex();
1318             int fileType = (filterIndex < (int) fileTypes.GetCount())
1319                            ? fileTypes[filterIndex]
1320                            : wxRICHTEXT_TYPE_TEXT;
1321             m_richTextCtrl->LoadFile(path, fileType);
1322         }
1323     }
1324 }
1325
1326 void MyFrame::OnSave(wxCommandEvent& event)
1327 {
1328     if (m_richTextCtrl->GetFilename().empty())
1329     {
1330         OnSaveAs(event);
1331         return;
1332     }
1333     m_richTextCtrl->SaveFile();
1334 }
1335
1336 void MyFrame::OnSaveAs(wxCommandEvent& WXUNUSED(event))
1337 {
1338     wxString filter = wxRichTextBuffer::GetExtWildcard(false, true);
1339     wxString path;
1340     wxString filename;
1341
1342     wxFileDialog dialog(this,
1343         _("Choose a filename"),
1344         path,
1345         filename,
1346         filter,
1347         wxFD_SAVE);
1348
1349     if (dialog.ShowModal() == wxID_OK)
1350     {
1351         wxString path = dialog.GetPath();
1352
1353         if (!path.empty())
1354         {
1355             wxBusyCursor busy;
1356             wxStopWatch stopwatch;
1357
1358             m_richTextCtrl->SaveFile(path);
1359
1360             long t = stopwatch.Time();
1361             wxLogDebug(wxT("Saving took %ldms"), t);
1362             wxMessageBox(wxString::Format(wxT("Saving took %ldms"), t));
1363         }
1364     }
1365 }
1366
1367 void MyFrame::OnBold(wxCommandEvent& WXUNUSED(event))
1368 {
1369     m_richTextCtrl->ApplyBoldToSelection();
1370 }
1371
1372 void MyFrame::OnItalic(wxCommandEvent& WXUNUSED(event))
1373 {
1374     m_richTextCtrl->ApplyItalicToSelection();
1375 }
1376
1377 void MyFrame::OnUnderline(wxCommandEvent& WXUNUSED(event))
1378 {
1379     m_richTextCtrl->ApplyUnderlineToSelection();
1380 }
1381
1382 void MyFrame::OnStrikethrough(wxCommandEvent& WXUNUSED(event))
1383 {
1384     m_richTextCtrl->ApplyTextEffectToSelection(wxTEXT_ATTR_EFFECT_STRIKETHROUGH);
1385 }
1386
1387 void MyFrame::OnSuperscript(wxCommandEvent& WXUNUSED(event))
1388 {
1389     m_richTextCtrl->ApplyTextEffectToSelection(wxTEXT_ATTR_EFFECT_SUPERSCRIPT);
1390 }
1391
1392 void MyFrame::OnSubscript(wxCommandEvent& WXUNUSED(event))
1393 {
1394     m_richTextCtrl->ApplyTextEffectToSelection(wxTEXT_ATTR_EFFECT_SUBSCRIPT);
1395 }
1396
1397
1398 void MyFrame::OnUpdateBold(wxUpdateUIEvent& event)
1399 {
1400     event.Check(m_richTextCtrl->IsSelectionBold());
1401 }
1402
1403 void MyFrame::OnUpdateItalic(wxUpdateUIEvent& event)
1404 {
1405     event.Check(m_richTextCtrl->IsSelectionItalics());
1406 }
1407
1408 void MyFrame::OnUpdateUnderline(wxUpdateUIEvent& event)
1409 {
1410     event.Check(m_richTextCtrl->IsSelectionUnderlined());
1411 }
1412
1413 void MyFrame::OnUpdateStrikethrough(wxUpdateUIEvent& event)
1414 {
1415     event.Check(m_richTextCtrl->DoesSelectionHaveTextEffectFlag(wxTEXT_ATTR_EFFECT_STRIKETHROUGH));
1416 }
1417
1418 void MyFrame::OnUpdateSuperscript(wxUpdateUIEvent& event)
1419 {
1420     event.Check(m_richTextCtrl->DoesSelectionHaveTextEffectFlag(wxTEXT_ATTR_EFFECT_SUPERSCRIPT));
1421 }
1422
1423 void MyFrame::OnUpdateSubscript(wxUpdateUIEvent& event)
1424 {
1425     event.Check(m_richTextCtrl->DoesSelectionHaveTextEffectFlag(wxTEXT_ATTR_EFFECT_SUBSCRIPT));
1426 }
1427
1428 void MyFrame::OnAlignLeft(wxCommandEvent& WXUNUSED(event))
1429 {
1430     m_richTextCtrl->ApplyAlignmentToSelection(wxTEXT_ALIGNMENT_LEFT);
1431 }
1432
1433 void MyFrame::OnAlignCentre(wxCommandEvent& WXUNUSED(event))
1434 {
1435     m_richTextCtrl->ApplyAlignmentToSelection(wxTEXT_ALIGNMENT_CENTRE);
1436 }
1437
1438 void MyFrame::OnAlignRight(wxCommandEvent& WXUNUSED(event))
1439 {
1440     m_richTextCtrl->ApplyAlignmentToSelection(wxTEXT_ALIGNMENT_RIGHT);
1441 }
1442
1443 void MyFrame::OnUpdateAlignLeft(wxUpdateUIEvent& event)
1444 {
1445     event.Check(m_richTextCtrl->IsSelectionAligned(wxTEXT_ALIGNMENT_LEFT));
1446 }
1447
1448 void MyFrame::OnUpdateAlignCentre(wxUpdateUIEvent& event)
1449 {
1450     event.Check(m_richTextCtrl->IsSelectionAligned(wxTEXT_ALIGNMENT_CENTRE));
1451 }
1452
1453 void MyFrame::OnUpdateAlignRight(wxUpdateUIEvent& event)
1454 {
1455     event.Check(m_richTextCtrl->IsSelectionAligned(wxTEXT_ALIGNMENT_RIGHT));
1456 }
1457
1458 void MyFrame::OnFont(wxCommandEvent& WXUNUSED(event))
1459 {
1460     wxRichTextRange range;
1461     if (m_richTextCtrl->HasSelection())
1462         range = m_richTextCtrl->GetSelectionRange();
1463     else
1464         range = wxRichTextRange(0, m_richTextCtrl->GetLastPosition()+1);
1465
1466     int pages = wxRICHTEXT_FORMAT_FONT;
1467
1468     wxRichTextFormattingDialog formatDlg(pages, this);
1469     formatDlg.SetOptions(wxRichTextFormattingDialog::Option_AllowPixelFontSize);
1470     formatDlg.GetStyle(m_richTextCtrl, range);
1471
1472     if (formatDlg.ShowModal() == wxID_OK)
1473     {
1474         formatDlg.ApplyStyle(m_richTextCtrl, range, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY);
1475     }
1476 }
1477
1478 void MyFrame::OnImage(wxCommandEvent& WXUNUSED(event))
1479 {
1480     wxRichTextRange range;
1481     wxASSERT(m_richTextCtrl->HasSelection());
1482
1483     range = m_richTextCtrl->GetSelectionRange();
1484     wxASSERT(range.ToInternal().GetLength() == 1);
1485
1486     wxRichTextImage* image = wxDynamicCast(m_richTextCtrl->GetFocusObject()->GetLeafObjectAtPosition(range.GetStart()), wxRichTextImage);
1487     if (image)
1488     {
1489         wxRichTextObjectPropertiesDialog imageDlg(image, this);
1490
1491         if (imageDlg.ShowModal() == wxID_OK)
1492         {
1493             imageDlg.ApplyStyle(m_richTextCtrl);
1494         }
1495     }
1496 }
1497
1498 void MyFrame::OnParagraph(wxCommandEvent& WXUNUSED(event))
1499 {
1500     wxRichTextRange range;
1501     if (m_richTextCtrl->HasSelection())
1502         range = m_richTextCtrl->GetSelectionRange();
1503     else
1504         range = wxRichTextRange(0, m_richTextCtrl->GetLastPosition()+1);
1505
1506     int pages = wxRICHTEXT_FORMAT_INDENTS_SPACING|wxRICHTEXT_FORMAT_TABS|wxRICHTEXT_FORMAT_BULLETS;
1507
1508     wxRichTextFormattingDialog formatDlg(pages, this);
1509     formatDlg.GetStyle(m_richTextCtrl, range);
1510
1511     if (formatDlg.ShowModal() == wxID_OK)
1512     {
1513         formatDlg.ApplyStyle(m_richTextCtrl, range);
1514     }
1515 }
1516
1517 void MyFrame::OnFormat(wxCommandEvent& WXUNUSED(event))
1518 {
1519     wxRichTextRange range;
1520     if (m_richTextCtrl->HasSelection())
1521         range = m_richTextCtrl->GetSelectionRange();
1522     else
1523         range = wxRichTextRange(0, m_richTextCtrl->GetLastPosition()+1);
1524
1525     int pages = wxRICHTEXT_FORMAT_FONT|wxRICHTEXT_FORMAT_INDENTS_SPACING|wxRICHTEXT_FORMAT_TABS|wxRICHTEXT_FORMAT_BULLETS;
1526
1527     wxRichTextFormattingDialog formatDlg(pages, this);
1528     formatDlg.GetStyle(m_richTextCtrl, range);
1529
1530     if (formatDlg.ShowModal() == wxID_OK)
1531     {
1532         formatDlg.ApplyStyle(m_richTextCtrl, range);
1533     }
1534 }
1535
1536 void MyFrame::OnUpdateFormat(wxUpdateUIEvent& event)
1537 {
1538     event.Enable(m_richTextCtrl->HasSelection());
1539 }
1540
1541 void MyFrame::OnUpdateImage(wxUpdateUIEvent& event)
1542 {
1543     wxRichTextRange range;
1544     wxRichTextObject *obj;
1545
1546     range = m_richTextCtrl->GetSelectionRange();
1547     if (range.ToInternal().GetLength() == 1)
1548     {
1549         obj = m_richTextCtrl->GetFocusObject()->GetLeafObjectAtPosition(range.GetStart());
1550         if (obj && obj->IsKindOf(CLASSINFO(wxRichTextImage)))
1551         {
1552             event.Enable(true);
1553             return;
1554         }
1555     }
1556
1557     event.Enable(false);
1558 }
1559
1560 void MyFrame::OnIndentMore(wxCommandEvent& WXUNUSED(event))
1561 {
1562     wxRichTextAttr attr;
1563     attr.SetFlags(wxTEXT_ATTR_LEFT_INDENT);
1564
1565     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1566     {
1567         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1568         if (m_richTextCtrl->HasSelection())
1569             range = m_richTextCtrl->GetSelectionRange();
1570
1571         attr.SetLeftIndent(attr.GetLeftIndent() + 100);
1572
1573         attr.SetFlags(wxTEXT_ATTR_LEFT_INDENT);
1574         m_richTextCtrl->SetStyle(range, attr);
1575     }
1576 }
1577
1578 void MyFrame::OnIndentLess(wxCommandEvent& WXUNUSED(event))
1579 {
1580     wxRichTextAttr attr;
1581     attr.SetFlags(wxTEXT_ATTR_LEFT_INDENT);
1582
1583     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1584     {
1585         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1586         if (m_richTextCtrl->HasSelection())
1587             range = m_richTextCtrl->GetSelectionRange();
1588
1589         if (attr.GetLeftIndent() > 0)
1590         {
1591             attr.SetLeftIndent(wxMax(0, attr.GetLeftIndent() - 100));
1592
1593             m_richTextCtrl->SetStyle(range, attr);
1594         }
1595     }
1596 }
1597
1598 void MyFrame::OnLineSpacingHalf(wxCommandEvent& WXUNUSED(event))
1599 {
1600     wxRichTextAttr attr;
1601     attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1602
1603     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1604     {
1605         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1606         if (m_richTextCtrl->HasSelection())
1607             range = m_richTextCtrl->GetSelectionRange();
1608
1609         attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1610         attr.SetLineSpacing(15);
1611
1612         m_richTextCtrl->SetStyle(range, attr);
1613     }
1614 }
1615
1616 void MyFrame::OnLineSpacingDouble(wxCommandEvent& WXUNUSED(event))
1617 {
1618     wxRichTextAttr attr;
1619     attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1620
1621     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1622     {
1623         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1624         if (m_richTextCtrl->HasSelection())
1625             range = m_richTextCtrl->GetSelectionRange();
1626
1627         attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1628         attr.SetLineSpacing(20);
1629
1630         m_richTextCtrl->SetStyle(range, attr);
1631     }
1632 }
1633
1634 void MyFrame::OnLineSpacingSingle(wxCommandEvent& WXUNUSED(event))
1635 {
1636     wxRichTextAttr attr;
1637     attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1638
1639     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1640     {
1641         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1642         if (m_richTextCtrl->HasSelection())
1643             range = m_richTextCtrl->GetSelectionRange();
1644
1645         attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1646         attr.SetLineSpacing(0); // Can also use 10
1647
1648         m_richTextCtrl->SetStyle(range, attr);
1649     }
1650 }
1651
1652 void MyFrame::OnParagraphSpacingMore(wxCommandEvent& WXUNUSED(event))
1653 {
1654     wxRichTextAttr attr;
1655     attr.SetFlags(wxTEXT_ATTR_PARA_SPACING_AFTER);
1656
1657     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1658     {
1659         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1660         if (m_richTextCtrl->HasSelection())
1661             range = m_richTextCtrl->GetSelectionRange();
1662
1663         attr.SetParagraphSpacingAfter(attr.GetParagraphSpacingAfter() + 20);
1664
1665         attr.SetFlags(wxTEXT_ATTR_PARA_SPACING_AFTER);
1666         m_richTextCtrl->SetStyle(range, attr);
1667     }
1668 }
1669
1670 void MyFrame::OnParagraphSpacingLess(wxCommandEvent& WXUNUSED(event))
1671 {
1672     wxRichTextAttr attr;
1673     attr.SetFlags(wxTEXT_ATTR_PARA_SPACING_AFTER);
1674
1675     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1676     {
1677         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1678         if (m_richTextCtrl->HasSelection())
1679             range = m_richTextCtrl->GetSelectionRange();
1680
1681         if (attr.GetParagraphSpacingAfter() >= 20)
1682         {
1683             attr.SetParagraphSpacingAfter(attr.GetParagraphSpacingAfter() - 20);
1684
1685             attr.SetFlags(wxTEXT_ATTR_PARA_SPACING_AFTER);
1686             m_richTextCtrl->SetStyle(range, attr);
1687         }
1688     }
1689 }
1690
1691 void MyFrame::OnReload(wxCommandEvent& WXUNUSED(event))
1692 {
1693     m_richTextCtrl->Clear();
1694     WriteInitialText();
1695 }
1696
1697 void MyFrame::OnViewHTML(wxCommandEvent& WXUNUSED(event))
1698 {
1699     wxDialog dialog(this, wxID_ANY, _("HTML"), wxDefaultPosition, wxSize(500, 400), wxDEFAULT_DIALOG_STYLE);
1700
1701     wxBoxSizer* boxSizer = new wxBoxSizer(wxVERTICAL);
1702     dialog.SetSizer(boxSizer);
1703
1704     wxHtmlWindow* win = new wxHtmlWindow(& dialog, wxID_ANY, wxDefaultPosition, wxSize(500, 400), wxSUNKEN_BORDER);
1705     boxSizer->Add(win, 1, wxALL, 5);
1706
1707     wxButton* cancelButton = new wxButton(& dialog, wxID_CANCEL, wxT("&Close"));
1708     boxSizer->Add(cancelButton, 0, wxALL|wxCENTRE, 5);
1709
1710     wxString text;
1711     wxStringOutputStream strStream(& text);
1712
1713     wxRichTextHTMLHandler htmlHandler;
1714     htmlHandler.SetFlags(wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_MEMORY);
1715
1716     wxArrayInt fontSizeMapping;
1717     fontSizeMapping.Add(7);
1718     fontSizeMapping.Add(9);
1719     fontSizeMapping.Add(11);
1720     fontSizeMapping.Add(12);
1721     fontSizeMapping.Add(14);
1722     fontSizeMapping.Add(22);
1723     fontSizeMapping.Add(100);
1724
1725     htmlHandler.SetFontSizeMapping(fontSizeMapping);
1726
1727     if (htmlHandler.SaveFile(& m_richTextCtrl->GetBuffer(), strStream))
1728     {
1729         win->SetPage(text);
1730     }
1731
1732     boxSizer->Fit(& dialog);
1733
1734     dialog.ShowModal();
1735
1736     // Now delete the temporary in-memory images
1737     htmlHandler.DeleteTemporaryImages();
1738 }
1739
1740 // Demonstrates how you can change the style sheets and have the changes
1741 // reflected in the control content without wiping out character formatting.
1742
1743 void MyFrame::OnSwitchStyleSheets(wxCommandEvent& WXUNUSED(event))
1744 {
1745     static wxRichTextStyleSheet* gs_AlternateStyleSheet = NULL;
1746
1747     wxRichTextStyleListCtrl *styleList = (wxRichTextStyleListCtrl*) FindWindow(ID_RICHTEXT_STYLE_LIST);
1748     wxRichTextStyleComboCtrl* styleCombo = (wxRichTextStyleComboCtrl*) FindWindow(ID_RICHTEXT_STYLE_COMBO);
1749
1750     wxRichTextStyleSheet* sheet = m_richTextCtrl->GetStyleSheet();
1751
1752     // One-time creation of an alternate style sheet
1753     if (!gs_AlternateStyleSheet)
1754     {
1755         gs_AlternateStyleSheet = new wxRichTextStyleSheet(*sheet);
1756
1757         // Make some modifications
1758         for (int i = 0; i < (int) gs_AlternateStyleSheet->GetParagraphStyleCount(); i++)
1759         {
1760             wxRichTextParagraphStyleDefinition* def = gs_AlternateStyleSheet->GetParagraphStyle(i);
1761
1762             if (def->GetStyle().HasTextColour())
1763                 def->GetStyle().SetTextColour(*wxBLUE);
1764
1765             if (def->GetStyle().HasAlignment())
1766             {
1767                 if (def->GetStyle().GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
1768                     def->GetStyle().SetAlignment(wxTEXT_ALIGNMENT_RIGHT);
1769                 else if (def->GetStyle().GetAlignment() == wxTEXT_ALIGNMENT_LEFT)
1770                     def->GetStyle().SetAlignment(wxTEXT_ALIGNMENT_CENTRE);
1771             }
1772             if (def->GetStyle().HasLeftIndent())
1773             {
1774                 def->GetStyle().SetLeftIndent(def->GetStyle().GetLeftIndent() * 2);
1775             }
1776         }
1777     }
1778
1779     // Switch sheets
1780     wxRichTextStyleSheet* tmp = gs_AlternateStyleSheet;
1781     gs_AlternateStyleSheet = sheet;
1782     sheet = tmp;
1783
1784     m_richTextCtrl->SetStyleSheet(sheet);
1785     m_richTextCtrl->ApplyStyleSheet(sheet); // Makes the control reflect the new style definitions
1786
1787     styleList->SetStyleSheet(sheet);
1788     styleList->UpdateStyles();
1789
1790     styleCombo->SetStyleSheet(sheet);
1791     styleCombo->UpdateStyles();
1792 }
1793
1794 void MyFrame::OnManageStyles(wxCommandEvent& WXUNUSED(event))
1795 {
1796     wxRichTextStyleSheet* sheet = m_richTextCtrl->GetStyleSheet();
1797
1798     int flags = wxRICHTEXT_ORGANISER_CREATE_STYLES|wxRICHTEXT_ORGANISER_EDIT_STYLES;
1799
1800     wxRichTextStyleOrganiserDialog dlg(flags, sheet, NULL, this, wxID_ANY, _("Style Manager"));
1801     dlg.ShowModal();
1802 }
1803
1804 void MyFrame::OnInsertSymbol(wxCommandEvent& WXUNUSED(event))
1805 {
1806     wxRichTextAttr attr;
1807     attr.SetFlags(wxTEXT_ATTR_FONT);
1808     m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr);
1809
1810     wxString currentFontName;
1811     if (attr.HasFont() && attr.GetFont().IsOk())
1812         currentFontName = attr.GetFont().GetFaceName();
1813
1814     // Don't set the initial font in the dialog (so the user is choosing
1815     // 'normal text', i.e. the current font) but do tell the dialog
1816     // what 'normal text' is.
1817
1818     wxSymbolPickerDialog dlg(wxT("*"), wxEmptyString, currentFontName, this);
1819
1820     if (dlg.ShowModal() == wxID_OK)
1821     {
1822         if (dlg.HasSelection())
1823         {
1824             long insertionPoint = m_richTextCtrl->GetInsertionPoint();
1825
1826             m_richTextCtrl->WriteText(dlg.GetSymbol());
1827
1828             if (!dlg.UseNormalFont())
1829             {
1830                 wxFont font(attr.GetFont());
1831                 font.SetFaceName(dlg.GetFontName());
1832                 attr.SetFont(font);
1833                 m_richTextCtrl->SetStyle(insertionPoint, insertionPoint+1, attr);
1834             }
1835         }
1836     }
1837 }
1838
1839 void MyFrame::OnNumberList(wxCommandEvent& WXUNUSED(event))
1840 {
1841     if (m_richTextCtrl->HasSelection())
1842     {
1843         wxRichTextRange range = m_richTextCtrl->GetSelectionRange();
1844         m_richTextCtrl->SetListStyle(range, wxT("Numbered List 1"), wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_RENUMBER);
1845     }
1846 }
1847
1848 void MyFrame::OnBulletsAndNumbering(wxCommandEvent& WXUNUSED(event))
1849 {
1850     wxRichTextStyleSheet* sheet = m_richTextCtrl->GetStyleSheet();
1851
1852     int flags = wxRICHTEXT_ORGANISER_BROWSE_NUMBERING;
1853
1854     wxRichTextStyleOrganiserDialog dlg(flags, sheet, m_richTextCtrl, this, wxID_ANY, _("Bullets and Numbering"));
1855     if (dlg.ShowModal() == wxID_OK)
1856     {
1857         if (dlg.GetSelectedStyleDefinition())
1858             dlg.ApplyStyle();
1859     }
1860 }
1861
1862 void MyFrame::OnItemizeList(wxCommandEvent& WXUNUSED(event))
1863 {
1864     if (m_richTextCtrl->HasSelection())
1865     {
1866         wxRichTextRange range = m_richTextCtrl->GetSelectionRange();
1867         m_richTextCtrl->SetListStyle(range, wxT("Bullet List 1"));
1868     }
1869 }
1870
1871 void MyFrame::OnRenumberList(wxCommandEvent& WXUNUSED(event))
1872 {
1873     if (m_richTextCtrl->HasSelection())
1874     {
1875         wxRichTextRange range = m_richTextCtrl->GetSelectionRange();
1876         m_richTextCtrl->NumberList(range, NULL, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_RENUMBER);
1877     }
1878 }
1879
1880 void MyFrame::OnPromoteList(wxCommandEvent& WXUNUSED(event))
1881 {
1882     if (m_richTextCtrl->HasSelection())
1883     {
1884         wxRichTextRange range = m_richTextCtrl->GetSelectionRange();
1885         m_richTextCtrl->PromoteList(1, range, NULL);
1886     }
1887 }
1888
1889 void MyFrame::OnDemoteList(wxCommandEvent& WXUNUSED(event))
1890 {
1891     if (m_richTextCtrl->HasSelection())
1892     {
1893         wxRichTextRange range = m_richTextCtrl->GetSelectionRange();
1894         m_richTextCtrl->PromoteList(-1, range, NULL);
1895     }
1896 }
1897
1898 void MyFrame::OnClearList(wxCommandEvent& WXUNUSED(event))
1899 {
1900     if (m_richTextCtrl->HasSelection())
1901     {
1902         wxRichTextRange range = m_richTextCtrl->GetSelectionRange();
1903         m_richTextCtrl->ClearListStyle(range);
1904     }
1905 }
1906
1907 void MyFrame::OnInsertURL(wxCommandEvent& WXUNUSED(event))
1908 {
1909     wxString url = wxGetTextFromUser(_("URL:"), _("Insert URL"));
1910     if (!url.IsEmpty())
1911     {
1912         // Make a style suitable for showing a URL
1913         wxRichTextAttr urlStyle;
1914         urlStyle.SetTextColour(*wxBLUE);
1915         urlStyle.SetFontUnderlined(true);
1916
1917         m_richTextCtrl->BeginStyle(urlStyle);
1918         m_richTextCtrl->BeginURL(url);
1919         m_richTextCtrl->WriteText(url);
1920         m_richTextCtrl->EndURL();
1921         m_richTextCtrl->EndStyle();
1922     }
1923 }
1924
1925 void MyFrame::OnInsertImage(wxCommandEvent& WXUNUSED(event))
1926 {
1927     wxFileDialog dialog(this, _("Choose an image"), "", "", "BMP and GIF files (*.bmp;*.gif)|*.bmp;*.gif|PNG files (*.png)|*.png");
1928     if (dialog.ShowModal() == wxID_OK)
1929     {
1930         wxString path = dialog.GetPath();
1931         m_richTextCtrl->WriteImage(path, wxBITMAP_TYPE_ANY);
1932     }
1933 }
1934
1935 void MyFrame::OnURL(wxTextUrlEvent& event)
1936 {
1937     wxMessageBox(event.GetString());
1938 }
1939
1940 // Veto style sheet replace events when loading from XML, since we want
1941 // to keep the original style sheet.
1942 void MyFrame::OnStyleSheetReplacing(wxRichTextEvent& event)
1943 {
1944     event.Veto();
1945 }
1946
1947 void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event))
1948 {
1949     wxGetApp().GetPrinting()->PrintBuffer(m_richTextCtrl->GetBuffer());
1950 }
1951
1952 void MyFrame::OnPreview(wxCommandEvent& WXUNUSED(event))
1953 {
1954     wxGetApp().GetPrinting()->PreviewBuffer(m_richTextCtrl->GetBuffer());
1955 }
1956
1957 void MyFrame::OnPageSetup(wxCommandEvent& WXUNUSED(event))
1958 {
1959     wxDialog dialog(this, wxID_ANY, wxT("Testing"), wxPoint(10, 10), wxSize(400, 300), wxDEFAULT_DIALOG_STYLE);
1960
1961     wxNotebook* nb = new wxNotebook(& dialog, wxID_ANY, wxPoint(5, 5), wxSize(300, 250));
1962     wxPanel* panel = new wxPanel(nb, wxID_ANY, wxDefaultPosition, wxDefaultSize);
1963     wxPanel* panel2 = new wxPanel(nb, wxID_ANY, wxDefaultPosition, wxDefaultSize);
1964
1965     new wxRichTextCtrl(panel, wxID_ANY, wxEmptyString, wxPoint(5, 5), wxSize(200, 150), wxVSCROLL|wxTE_READONLY);
1966     nb->AddPage(panel, wxT("Page 1"));
1967
1968     new wxRichTextCtrl(panel2, wxID_ANY, wxEmptyString, wxPoint(5, 5), wxSize(200, 150), wxVSCROLL|wxTE_READONLY);
1969     nb->AddPage(panel2, wxT("Page 2"));
1970
1971     new wxButton(& dialog, wxID_OK, wxT("OK"), wxPoint(5, 180));
1972
1973     dialog.ShowModal();
1974
1975 //    wxGetApp().GetPrinting()->PageSetup();
1976 }
1977
1978 void MyFrame::OnSetFontScale(wxCommandEvent& WXUNUSED(event))
1979 {
1980     wxString value = wxString::Format(wxT("%g"), m_richTextCtrl->GetFontScale());
1981     wxString text = wxGetTextFromUser(wxT("Enter a text scale factor:"), wxT("Text Scale Factor"), value, wxGetTopLevelParent(this));
1982     if (!text.IsEmpty() && value != text)
1983     {
1984         double scale = 1.0;
1985         wxSscanf(text, wxT("%lf"), & scale);
1986         m_richTextCtrl->SetFontScale(scale, true);
1987     }
1988 }
1989
1990 void MyFrame::OnSetDimensionScale(wxCommandEvent& WXUNUSED(event))
1991 {
1992     wxString value = wxString::Format(wxT("%g"), m_richTextCtrl->GetDimensionScale());
1993     wxString text = wxGetTextFromUser(wxT("Enter a dimension scale factor:"), wxT("Dimension Scale Factor"), value, wxGetTopLevelParent(this));
1994     if (!text.IsEmpty() && value != text)
1995     {
1996         double scale = 1.0;
1997         wxSscanf(text, wxT("%lf"), & scale);
1998         m_richTextCtrl->SetDimensionScale(scale, true);
1999     }
2000 }
2001
2002 void MyRichTextCtrl::PrepareContent(wxRichTextParagraphLayoutBox& container)
2003 {
2004     if (IsLocked())
2005     {
2006         // Lock all content that's about to be added to the control
2007         wxRichTextObjectList::compatibility_iterator node = container.GetChildren().GetFirst();
2008         while (node)
2009         {
2010             wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
2011             if (para)
2012             {
2013                 wxRichTextObjectList::compatibility_iterator childNode = para->GetChildren().GetFirst();
2014                 while (childNode)
2015                 {
2016                     wxRichTextObject* obj = childNode->GetData();
2017                     obj->GetProperties().SetProperty(wxT("Lock"), m_lockId);
2018
2019                     childNode = childNode->GetNext();
2020                 }
2021             }
2022             node = node->GetNext();
2023         }
2024     }
2025 }
2026
2027 bool MyRichTextCtrl::CanDeleteRange(wxRichTextParagraphLayoutBox& container, const wxRichTextRange& range) const
2028 {
2029     long i;
2030     for (i = range.GetStart(); i < range.GetEnd(); i++)
2031     {
2032         wxRichTextObject* obj = container.GetLeafObjectAtPosition(i);
2033         if (obj && obj->GetProperties().HasProperty(wxT("Lock")))
2034         {
2035             return false;
2036         }
2037     }
2038     return true;
2039 }
2040
2041 bool MyRichTextCtrl::CanInsertContent(wxRichTextParagraphLayoutBox& container, long pos) const
2042 {
2043     wxRichTextObject* child1 = container.GetLeafObjectAtPosition(pos);
2044     wxRichTextObject* child2 = container.GetLeafObjectAtPosition(pos-1);
2045
2046     long lock1 = -1, lock2 = -1;
2047
2048     if (child1 && child1->GetProperties().HasProperty(wxT("Lock")))
2049         lock1 = child1->GetProperties().GetPropertyLong(wxT("Lock"));
2050     if (child2 && child2->GetProperties().HasProperty(wxT("Lock")))
2051         lock2 = child2->GetProperties().GetPropertyLong(wxT("Lock"));
2052
2053     if (lock1 != -1 && lock1 == lock2)
2054         return false;
2055
2056     // Don't allow insertion before a locked object if it's at the beginning of the buffer.
2057     if (pos == 0 && lock1 != -1)
2058         return false;
2059
2060     return true;
2061 }
2062
2063
2064 class wxRichTextEnhancedDrawingHandler: public wxRichTextDrawingHandler
2065 {
2066 public:
2067     wxRichTextEnhancedDrawingHandler()
2068     {
2069         SetName(wxT("enhanceddrawing"));
2070         m_lockBackgroundColour = wxColour(220, 220, 220);
2071     }
2072
2073     /**
2074         Returns @true if this object has virtual attributes that we can provide.
2075     */
2076     virtual bool HasVirtualAttributes(wxRichTextObject* obj) const;
2077
2078     /**
2079         Provides virtual attributes that we can provide.
2080     */
2081     virtual bool GetVirtualAttributes(wxRichTextAttr& attr, wxRichTextObject* obj) const;
2082
2083     wxColour    m_lockBackgroundColour;
2084 };
2085
2086 bool wxRichTextEnhancedDrawingHandler::HasVirtualAttributes(wxRichTextObject* obj) const
2087 {
2088     return obj->GetProperties().HasProperty(wxT("Lock"));
2089 }
2090
2091 bool wxRichTextEnhancedDrawingHandler::GetVirtualAttributes(wxRichTextAttr& attr, wxRichTextObject* obj) const
2092 {
2093     if (obj->GetProperties().HasProperty(wxT("Lock")))
2094     {
2095         attr.SetBackgroundColour(m_lockBackgroundColour);
2096         return true;
2097     }
2098     return false;
2099 }
2100
2101 void MyRichTextCtrl::SetEnhancedDrawingHandler()
2102 {
2103     wxRichTextBuffer::AddDrawingHandler(new wxRichTextEnhancedDrawingHandler);
2104 }