samples/richtext/richtext.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        samples/richtext/richtext.cpp
   3 // Purpose:     wxWidgets rich text editor sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     2005-10-02
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx/wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 // for all others, include the necessary headers (this file is usually all you
  28 // need because it includes almost all "standard" wxWidgets headers)
  29 #ifndef WX_PRECOMP
  30     #include "wx/wx.h"
  31 #endif
  32
  33 #include "wx/fontdlg.h"
  34 #include "wx/splitter.h"
  35 #include "wx/sstream.h"
  36 #include "wx/html/htmlwin.h"
  37
  38 #if wxUSE_HELP
  39 #include "wx/cshelp.h"
  40 #endif
  41
  42 #ifndef __WXMSW__
  43     #include "../sample.xpm"
  44 #endif
  45
  46 #include "bitmaps/smiley.xpm"
  47 // #include "bitmaps/idea.xpm"
  48 #include "bitmaps/zebra.xpm"
  49
  50 #include "bitmaps/open.xpm"
  51 #include "bitmaps/save.xpm"
  52 #include "bitmaps/copy.xpm"
  53 #include "bitmaps/cut.xpm"
  54 #include "bitmaps/paste.xpm"
  55 #include "bitmaps/undo.xpm"
  56 #include "bitmaps/redo.xpm"
  57 #include "bitmaps/bold.xpm"
  58 #include "bitmaps/italic.xpm"
  59 #include "bitmaps/underline.xpm"
  60
  61 #include "bitmaps/alignleft.xpm"
  62 #include "bitmaps/alignright.xpm"
  63 #include "bitmaps/centre.xpm"
  64 #include "bitmaps/font.xpm"
  65 #include "bitmaps/indentless.xpm"
  66 #include "bitmaps/indentmore.xpm"
  67
  68 #include "wx/richtext/richtextctrl.h"
  69 #include "wx/richtext/richtextstyles.h"
  70 #include "wx/richtext/richtextxml.h"
  71 #include "wx/richtext/richtexthtml.h"
  72 #include "wx/richtext/richtextformatdlg.h"
  73 #include "wx/richtext/richtextsymboldlg.h"
  74
  75 // ----------------------------------------------------------------------------
  76 // resources
  77 // ----------------------------------------------------------------------------
  78
  79 // ----------------------------------------------------------------------------
  80 // private classes
  81 // ----------------------------------------------------------------------------
  82
  83 // Define a new application type, each program should derive a class from wxApp
  84 class MyApp : public wxApp
  85 {
  86 public:
  87     // override base class virtuals
  88     // ----------------------------
  89
  90     // this one is called on application startup and is a good place for the app
  91     // initialization (doing it here and not in the ctor allows to have an error
  92     // return: if OnInit() returns false, the application terminates)
  93     virtual bool OnInit();
  94     virtual int OnExit();
  95
  96     void CreateStyles();
  97
  98     wxRichTextStyleSheet* GetStyleSheet() const { return m_styleSheet; }
  99
 100     wxRichTextStyleSheet* m_styleSheet;
 101 };
 102
 103 // Define a new frame type: this is going to be our main frame
 104 class MyFrame : public wxFrame
 105 {
 106 public:
 107     // ctor(s)
 108     MyFrame(const wxString& title, wxWindowID id, const wxPoint& pos = wxDefaultPosition,
 109         const wxSize& size = wxDefaultSize, long style = wxDEFAULT_FRAME_STYLE);
 110
 111     // event handlers (these functions should _not_ be virtual)
 112     void OnQuit(wxCommandEvent& event);
 113     void OnAbout(wxCommandEvent& event);
 114
 115     void OnOpen(wxCommandEvent& event);
 116     void OnSave(wxCommandEvent& event);
 117     void OnSaveAs(wxCommandEvent& event);
 118
 119     void OnBold(wxCommandEvent& event);
 120     void OnItalic(wxCommandEvent& event);
 121     void OnUnderline(wxCommandEvent& event);
 122
 123     void OnUpdateBold(wxUpdateUIEvent& event);
 124     void OnUpdateItalic(wxUpdateUIEvent& event);
 125     void OnUpdateUnderline(wxUpdateUIEvent& event);
 126
 127     void OnAlignLeft(wxCommandEvent& event);
 128     void OnAlignCentre(wxCommandEvent& event);
 129     void OnAlignRight(wxCommandEvent& event);
 130
 131     void OnUpdateAlignLeft(wxUpdateUIEvent& event);
 132     void OnUpdateAlignCentre(wxUpdateUIEvent& event);
 133     void OnUpdateAlignRight(wxUpdateUIEvent& event);
 134
 135     void OnIndentMore(wxCommandEvent& event);
 136     void OnIndentLess(wxCommandEvent& event);
 137
 138     void OnFont(wxCommandEvent& event);
 139     void OnParagraph(wxCommandEvent& event);
 140     void OnFormat(wxCommandEvent& event);
 141     void OnUpdateFormat(wxUpdateUIEvent& event);
 142
 143     void OnInsertSymbol(wxCommandEvent& event);
 144
 145     void OnLineSpacingHalf(wxCommandEvent& event);
 146     void OnLineSpacingDouble(wxCommandEvent& event);
 147     void OnLineSpacingSingle(wxCommandEvent& event);
 148
 149     void OnParagraphSpacingMore(wxCommandEvent& event);
 150     void OnParagraphSpacingLess(wxCommandEvent& event);
 151
 152     void OnViewHTML(wxCommandEvent& event);
 153
 154     void OnSwitchStyleSheets(wxCommandEvent& event);
 155
 156     // Forward command events to the current rich text control, if any
 157     bool ProcessEvent(wxEvent& event);
 158
 159 private:
 160     // any class wishing to process wxWidgets events must use this macro
 161     DECLARE_EVENT_TABLE()
 162
 163     wxRichTextCtrl*         m_richTextCtrl;
 164 };
 165
 166 // ----------------------------------------------------------------------------
 167 // constants
 168 // ----------------------------------------------------------------------------
 169
 170 // IDs for the controls and the menu commands
 171 enum
 172 {
 173     // menu items
 174     ID_Quit = wxID_EXIT,
 175     ID_About = wxID_ABOUT,
 176
 177     ID_FORMAT_BOLD = 100,
 178     ID_FORMAT_ITALIC,
 179     ID_FORMAT_UNDERLINE,
 180     ID_FORMAT_FONT,
 181     ID_FORMAT_PARAGRAPH,
 182     ID_FORMAT_CONTENT,
 183
 184     ID_INSERT_SYMBOL,
 185
 186     ID_FORMAT_ALIGN_LEFT,
 187     ID_FORMAT_ALIGN_CENTRE,
 188     ID_FORMAT_ALIGN_RIGHT,
 189
 190     ID_FORMAT_INDENT_MORE,
 191     ID_FORMAT_INDENT_LESS,
 192
 193     ID_FORMAT_PARAGRAPH_SPACING_MORE,
 194     ID_FORMAT_PARAGRAPH_SPACING_LESS,
 195
 196     ID_FORMAT_LINE_SPACING_HALF,
 197     ID_FORMAT_LINE_SPACING_DOUBLE,
 198     ID_FORMAT_LINE_SPACING_SINGLE,
 199
 200     ID_VIEW_HTML,
 201     ID_SWITCH_STYLE_SHEETS,
 202
 203     ID_RICHTEXT_CTRL,
 204     ID_RICHTEXT_STYLE_LIST,
 205     ID_RICHTEXT_STYLE_COMBO
 206 };
 207
 208 // ----------------------------------------------------------------------------
 209 // event tables and other macros for wxWidgets
 210 // ----------------------------------------------------------------------------
 211
 212 // the event tables connect the wxWidgets events with the functions (event
 213 // handlers) which process them. It can be also done at run-time, but for the
 214 // simple menu events like this the static method is much simpler.
 215 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 216     EVT_MENU(ID_Quit,  MyFrame::OnQuit)
 217     EVT_MENU(ID_About, MyFrame::OnAbout)
 218
 219     EVT_MENU(wxID_OPEN,  MyFrame::OnOpen)
 220     EVT_MENU(wxID_SAVE,  MyFrame::OnSave)
 221     EVT_MENU(wxID_SAVEAS,  MyFrame::OnSaveAs)
 222
 223     EVT_MENU(ID_FORMAT_BOLD,  MyFrame::OnBold)
 224     EVT_MENU(ID_FORMAT_ITALIC,  MyFrame::OnItalic)
 225     EVT_MENU(ID_FORMAT_UNDERLINE,  MyFrame::OnUnderline)
 226
 227     EVT_UPDATE_UI(ID_FORMAT_BOLD,  MyFrame::OnUpdateBold)
 228     EVT_UPDATE_UI(ID_FORMAT_ITALIC,  MyFrame::OnUpdateItalic)
 229     EVT_UPDATE_UI(ID_FORMAT_UNDERLINE,  MyFrame::OnUpdateUnderline)
 230
 231     EVT_MENU(ID_FORMAT_ALIGN_LEFT,  MyFrame::OnAlignLeft)
 232     EVT_MENU(ID_FORMAT_ALIGN_CENTRE,  MyFrame::OnAlignCentre)
 233     EVT_MENU(ID_FORMAT_ALIGN_RIGHT,  MyFrame::OnAlignRight)
 234
 235     EVT_UPDATE_UI(ID_FORMAT_ALIGN_LEFT,  MyFrame::OnUpdateAlignLeft)
 236     EVT_UPDATE_UI(ID_FORMAT_ALIGN_CENTRE,  MyFrame::OnUpdateAlignCentre)
 237     EVT_UPDATE_UI(ID_FORMAT_ALIGN_RIGHT,  MyFrame::OnUpdateAlignRight)
 238
 239     EVT_MENU(ID_FORMAT_FONT,  MyFrame::OnFont)
 240     EVT_MENU(ID_FORMAT_PARAGRAPH,  MyFrame::OnParagraph)
 241     EVT_MENU(ID_FORMAT_CONTENT,  MyFrame::OnFormat)
 242     EVT_UPDATE_UI(ID_FORMAT_CONTENT,  MyFrame::OnUpdateFormat)
 243     EVT_UPDATE_UI(ID_FORMAT_FONT,  MyFrame::OnUpdateFormat)
 244     EVT_UPDATE_UI(ID_FORMAT_PARAGRAPH,  MyFrame::OnUpdateFormat)
 245     EVT_MENU(ID_FORMAT_INDENT_MORE,  MyFrame::OnIndentMore)
 246     EVT_MENU(ID_FORMAT_INDENT_LESS,  MyFrame::OnIndentLess)
 247
 248     EVT_MENU(ID_FORMAT_LINE_SPACING_HALF,  MyFrame::OnLineSpacingHalf)
 249     EVT_MENU(ID_FORMAT_LINE_SPACING_SINGLE,  MyFrame::OnLineSpacingSingle)
 250     EVT_MENU(ID_FORMAT_LINE_SPACING_DOUBLE,  MyFrame::OnLineSpacingDouble)
 251
 252     EVT_MENU(ID_FORMAT_PARAGRAPH_SPACING_MORE,  MyFrame::OnParagraphSpacingMore)
 253     EVT_MENU(ID_FORMAT_PARAGRAPH_SPACING_LESS,  MyFrame::OnParagraphSpacingLess)
 254
 255     EVT_MENU(ID_INSERT_SYMBOL,  MyFrame::OnInsertSymbol)
 256
 257     EVT_MENU(ID_VIEW_HTML, MyFrame::OnViewHTML)
 258     EVT_MENU(ID_SWITCH_STYLE_SHEETS, MyFrame::OnSwitchStyleSheets)
 259 END_EVENT_TABLE()
 260
 261 // Create a new application object: this macro will allow wxWidgets to create
 262 // the application object during program execution (it's better than using a
 263 // static object for many reasons) and also implements the accessor function
 264 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 265 // not wxApp)
 266 IMPLEMENT_APP(MyApp)
 267
 268 // ============================================================================
 269 // implementation
 270 // ============================================================================
 271
 272 // ----------------------------------------------------------------------------
 273 // the application class
 274 // ----------------------------------------------------------------------------
 275
 276 // 'Main program' equivalent: the program execution "starts" here
 277 bool MyApp::OnInit()
 278 {
 279 #if wxUSE_HELP
 280     wxHelpProvider::Set(new wxSimpleHelpProvider);
 281 #endif
 282
 283     m_styleSheet = new wxRichTextStyleSheet;
 284
 285     CreateStyles();
 286
 287     // Add extra handlers (plain text is automatically added)
 288     wxRichTextBuffer::AddHandler(new wxRichTextXMLHandler);
 289     wxRichTextBuffer::AddHandler(new wxRichTextHTMLHandler);
 290
 291     // Add image handlers
 292 #if wxUSE_LIBPNG
 293     wxImage::AddHandler( new wxPNGHandler );
 294 #endif
 295
 296 #if wxUSE_LIBJPEG
 297     wxImage::AddHandler( new wxJPEGHandler );
 298 #endif
 299
 300 #if wxUSE_GIF
 301     wxImage::AddHandler( new wxGIFHandler );
 302 #endif
 303
 304     // create the main application window
 305     MyFrame *frame = new MyFrame(_T("wxRichTextCtrl Sample"), wxID_ANY, wxDefaultPosition, wxSize(700, 600));
 306
 307     // and show it (the frames, unlike simple controls, are not shown when
 308     // created initially)
 309     frame->Show(true);
 310
 311     // success: wxApp::OnRun() will be called which will enter the main message
 312     // loop and the application will run. If we returned false here, the
 313     // application would exit immediately.
 314     return true;
 315 }
 316
 317 int MyApp::OnExit()
 318 {
 319     delete m_styleSheet;
 320     return 0;
 321 }
 322
 323 void MyApp::CreateStyles()
 324 {
 325     // Paragraph styles
 326
 327     wxFont romanFont(12, wxROMAN, wxNORMAL, wxNORMAL);
 328     wxFont swissFont(12, wxSWISS, wxNORMAL, wxNORMAL);
 329
 330     wxRichTextParagraphStyleDefinition* normalPara = new wxRichTextParagraphStyleDefinition(wxT("Normal"));
 331     wxRichTextAttr normalAttr;
 332     normalAttr.SetFontFaceName(romanFont.GetFaceName());
 333     normalAttr.SetFontSize(12);
 334     // Let's set all attributes for this style
 335     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|
 336                             wxTEXT_ATTR_PARA_SPACING_BEFORE|wxTEXT_ATTR_PARA_SPACING_AFTER|wxTEXT_ATTR_LINE_SPACING|
 337                             wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_BULLET_NUMBER);
 338     normalPara->SetStyle(normalAttr);
 339
 340     m_styleSheet->AddParagraphStyle(normalPara);
 341
 342     wxRichTextParagraphStyleDefinition* indentedPara = new wxRichTextParagraphStyleDefinition(wxT("Indented"));
 343     wxRichTextAttr indentedAttr;
 344     indentedAttr.SetFontFaceName(romanFont.GetFaceName());
 345     indentedAttr.SetFontSize(12);
 346     indentedAttr.SetLeftIndent(100, 0);
 347     // We only want to affect indentation
 348     indentedAttr.SetFlags(wxTEXT_ATTR_LEFT_INDENT|wxTEXT_ATTR_RIGHT_INDENT);
 349     indentedPara->SetStyle(indentedAttr);
 350
 351     m_styleSheet->AddParagraphStyle(indentedPara);
 352
 353     wxRichTextParagraphStyleDefinition* indentedPara2 = new wxRichTextParagraphStyleDefinition(wxT("Red Bold Indented"));
 354     wxRichTextAttr indentedAttr2;
 355     indentedAttr2.SetFontFaceName(romanFont.GetFaceName());
 356     indentedAttr2.SetFontSize(12);
 357     indentedAttr2.SetFontWeight(wxBOLD);
 358     indentedAttr2.SetTextColour(*wxRED);
 359     indentedAttr2.SetFontSize(12);
 360     indentedAttr2.SetLeftIndent(100, 0);
 361     // We want to affect indentation, font and text colour
 362     indentedAttr2.SetFlags(wxTEXT_ATTR_LEFT_INDENT|wxTEXT_ATTR_RIGHT_INDENT|wxTEXT_ATTR_FONT|wxTEXT_ATTR_TEXT_COLOUR);
 363     indentedPara2->SetStyle(indentedAttr2);
 364
 365     m_styleSheet->AddParagraphStyle(indentedPara2);
 366
 367     wxRichTextParagraphStyleDefinition* flIndentedPara = new wxRichTextParagraphStyleDefinition(wxT("First Line Indented"));
 368     wxRichTextAttr flIndentedAttr;
 369     flIndentedAttr.SetFontFaceName(swissFont.GetFaceName());
 370     flIndentedAttr.SetFontSize(12);
 371     flIndentedAttr.SetLeftIndent(100, -100);
 372     // We only want to affect indentation
 373     flIndentedAttr.SetFlags(wxTEXT_ATTR_LEFT_INDENT|wxTEXT_ATTR_RIGHT_INDENT);
 374     flIndentedPara->SetStyle(flIndentedAttr);
 375
 376     m_styleSheet->AddParagraphStyle(flIndentedPara);
 377
 378     // Character styles
 379
 380     wxRichTextCharacterStyleDefinition* boldDef = new wxRichTextCharacterStyleDefinition(wxT("Bold"));
 381     wxRichTextAttr boldAttr;
 382     boldAttr.SetFontFaceName(romanFont.GetFaceName());
 383     boldAttr.SetFontSize(12);
 384     boldAttr.SetFontWeight(wxBOLD);
 385     // We only want to affect boldness
 386     boldAttr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
 387     boldDef->SetStyle(boldAttr);
 388
 389     m_styleSheet->AddCharacterStyle(boldDef);
 390
 391     wxRichTextCharacterStyleDefinition* italicDef = new wxRichTextCharacterStyleDefinition(wxT("Italic"));
 392     wxRichTextAttr italicAttr;
 393     italicAttr.SetFontFaceName(romanFont.GetFaceName());
 394     italicAttr.SetFontSize(12);
 395     italicAttr.SetFontStyle(wxITALIC);
 396     // We only want to affect italics
 397     italicAttr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
 398     italicDef->SetStyle(italicAttr);
 399
 400     m_styleSheet->AddCharacterStyle(italicDef);
 401
 402     wxRichTextCharacterStyleDefinition* redDef = new wxRichTextCharacterStyleDefinition(wxT("Red Bold"));
 403     wxRichTextAttr redAttr;
 404     redAttr.SetFontFaceName(romanFont.GetFaceName());
 405     redAttr.SetFontSize(12);
 406     redAttr.SetFontWeight(wxBOLD);
 407     redAttr.SetTextColour(*wxRED);
 408     // We only want to affect colour, weight and face
 409     redAttr.SetFlags(wxTEXT_ATTR_FONT_FACE|wxTEXT_ATTR_FONT_WEIGHT|wxTEXT_ATTR_TEXT_COLOUR);
 410     redDef->SetStyle(redAttr);
 411
 412     m_styleSheet->AddCharacterStyle(redDef);
 413 }
 414
 415 // ----------------------------------------------------------------------------
 416 // main frame
 417 // ----------------------------------------------------------------------------
 418
 419 // frame constructor
 420 MyFrame::MyFrame(const wxString& title, wxWindowID id, const wxPoint& pos,
 421         const wxSize& size, long style)
 422        : wxFrame(NULL, id, title, pos, size, style)
 423 {
 424     // set the frame icon
 425     SetIcon(wxICON(sample));
 426
 427     // create a menu bar
 428     wxMenu *fileMenu = new wxMenu;
 429
 430     // the "About" item should be in the help menu
 431     wxMenu *helpMenu = new wxMenu;
 432     helpMenu->Append(ID_About, _T("&About...\tF1"), _T("Show about dialog"));
 433
 434     fileMenu->Append(wxID_OPEN, _T("&Open\tCtrl+O"), _T("Open a file"));
 435     fileMenu->Append(wxID_SAVE, _T("&Save\tCtrl+S"), _T("Save a file"));
 436     fileMenu->Append(wxID_SAVEAS, _T("&Save As...\tF12"), _T("Save to a new file"));
 437     fileMenu->AppendSeparator();
 438     fileMenu->Append(ID_VIEW_HTML, _T("&View as HTML"), _T("View HTML"));
 439     fileMenu->AppendSeparator();
 440     fileMenu->Append(ID_Quit, _T("E&xit\tAlt+X"), _T("Quit this program"));
 441
 442     wxMenu* editMenu = new wxMenu;
 443     editMenu->Append(wxID_UNDO, _("&Undo\tCtrl+Z"));
 444     editMenu->Append(wxID_REDO, _("&Redo\tCtrl+Y"));
 445     editMenu->AppendSeparator();
 446     editMenu->Append(wxID_CUT, _("Cu&t\tCtrl+X"));
 447     editMenu->Append(wxID_COPY, _("&Copy\tCtrl+C"));
 448     editMenu->Append(wxID_PASTE, _("&Paste\tCtrl+V"));
 449
 450     editMenu->Append(wxID_CLEAR, _("&Delete\tDel"));
 451
 452     editMenu->AppendSeparator();
 453     editMenu->Append(wxID_SELECTALL, _("Select A&ll\tCtrl+A"));
 454 #if 0
 455     editMenu->AppendSeparator();
 456     editMenu->Append(wxID_FIND, _("&Find...\tCtrl+F"));
 457     editMenu->Append(stID_FIND_REPLACE, _("&Replace...\tCtrl+R"));
 458 #endif
 459
 460     wxMenu* formatMenu = new wxMenu;
 461     formatMenu->AppendCheckItem(ID_FORMAT_BOLD, _("&Bold\tCtrl+B"));
 462     formatMenu->AppendCheckItem(ID_FORMAT_ITALIC, _("&Italic\tCtrl+I"));
 463     formatMenu->AppendCheckItem(ID_FORMAT_UNDERLINE, _("&Underline\tCtrl+U"));
 464     formatMenu->AppendSeparator();
 465     formatMenu->AppendCheckItem(ID_FORMAT_ALIGN_LEFT, _("L&eft Align"));
 466     formatMenu->AppendCheckItem(ID_FORMAT_ALIGN_RIGHT, _("&Right Align"));
 467     formatMenu->AppendCheckItem(ID_FORMAT_ALIGN_CENTRE, _("&Centre"));
 468     formatMenu->AppendSeparator();
 469     formatMenu->Append(ID_FORMAT_INDENT_MORE, _("Indent &More"));
 470     formatMenu->Append(ID_FORMAT_INDENT_LESS, _("Indent &Less"));
 471     formatMenu->AppendSeparator();
 472     formatMenu->Append(ID_FORMAT_PARAGRAPH_SPACING_MORE, _("Increase Paragraph &Spacing"));
 473     formatMenu->Append(ID_FORMAT_PARAGRAPH_SPACING_LESS, _("Decrease &Paragraph Spacing"));
 474     formatMenu->AppendSeparator();
 475     formatMenu->Append(ID_FORMAT_LINE_SPACING_SINGLE, _("Normal Line Spacing"));
 476     formatMenu->Append(ID_FORMAT_LINE_SPACING_HALF, _("1.5 Line Spacing"));
 477     formatMenu->Append(ID_FORMAT_LINE_SPACING_DOUBLE, _("Double Line Spacing"));
 478     formatMenu->AppendSeparator();
 479     formatMenu->Append(ID_FORMAT_FONT, _("&Font..."));
 480     formatMenu->Append(ID_FORMAT_PARAGRAPH, _("&Paragraph..."));
 481     formatMenu->Append(ID_FORMAT_CONTENT, _("Font and Pa&ragraph...\tShift+Ctrl+F"));
 482     formatMenu->AppendSeparator();
 483     formatMenu->Append(ID_SWITCH_STYLE_SHEETS, _("&Switch Style Sheets"));
 484
 485     wxMenu* insertMenu = new wxMenu;
 486     insertMenu->Append(ID_INSERT_SYMBOL, _("&Symbol...\tCtrl+I"));
 487
 488     // now append the freshly created menu to the menu bar...
 489     wxMenuBar *menuBar = new wxMenuBar();
 490     menuBar->Append(fileMenu, _T("&File"));
 491     menuBar->Append(editMenu, _T("&Edit"));
 492     menuBar->Append(formatMenu, _T("F&ormat"));
 493     menuBar->Append(insertMenu, _T("&Insert"));
 494     menuBar->Append(helpMenu, _T("&Help"));
 495
 496     // ... and attach this menu bar to the frame
 497     SetMenuBar(menuBar);
 498
 499     // create a status bar just for fun (by default with 1 pane only)
 500     // but don't create it on limited screen space (WinCE)
 501     bool is_pda = wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA;
 502
 503 #if wxUSE_STATUSBAR
 504     if ( !is_pda )
 505     {
 506         CreateStatusBar(2);
 507         SetStatusText(_T("Welcome to wxRichTextCtrl!"));
 508     }
 509 #endif
 510
 511     wxToolBar* toolBar = CreateToolBar();
 512
 513     toolBar->AddTool(wxID_OPEN, wxBitmap(open_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Open"));
 514     toolBar->AddTool(wxID_SAVEAS, wxBitmap(save_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Save"));
 515     toolBar->AddSeparator();
 516     toolBar->AddTool(wxID_CUT, wxBitmap(cut_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Cut"));
 517     toolBar->AddTool(wxID_COPY, wxBitmap(copy_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Copy"));
 518     toolBar->AddTool(wxID_PASTE, wxBitmap(paste_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Paste"));
 519     toolBar->AddSeparator();
 520     toolBar->AddTool(wxID_UNDO, wxBitmap(undo_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Undo"));
 521     toolBar->AddTool(wxID_REDO, wxBitmap(redo_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Redo"));
 522     toolBar->AddSeparator();
 523     toolBar->AddTool(ID_FORMAT_BOLD, wxBitmap(bold_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Bold"));
 524     toolBar->AddTool(ID_FORMAT_ITALIC, wxBitmap(italic_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Italic"));
 525     toolBar->AddTool(ID_FORMAT_UNDERLINE, wxBitmap(underline_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Underline"));
 526     toolBar->AddSeparator();
 527     toolBar->AddTool(ID_FORMAT_ALIGN_LEFT, wxBitmap(alignleft_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Align Left"));
 528     toolBar->AddTool(ID_FORMAT_ALIGN_CENTRE, wxBitmap(centre_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Centre"));
 529     toolBar->AddTool(ID_FORMAT_ALIGN_RIGHT, wxBitmap(alignright_xpm), wxNullBitmap, true, -1, -1, (wxObject *) NULL, _("Align Right"));
 530     toolBar->AddSeparator();
 531     toolBar->AddTool(ID_FORMAT_INDENT_LESS, wxBitmap(indentless_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Indent Less"));
 532     toolBar->AddTool(ID_FORMAT_INDENT_MORE, wxBitmap(indentmore_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Indent More"));
 533     toolBar->AddSeparator();
 534     toolBar->AddTool(ID_FORMAT_FONT, wxBitmap(font_xpm), wxNullBitmap, false, -1, -1, (wxObject *) NULL, _("Font"));
 535
 536     wxRichTextStyleComboCtrl* combo = new wxRichTextStyleComboCtrl(toolBar, ID_RICHTEXT_STYLE_COMBO, wxDefaultPosition, wxSize(200, -1));
 537     toolBar->AddControl(combo);
 538
 539     toolBar->Realize();
 540
 541     wxSplitterWindow* splitter = new wxSplitterWindow(this, wxID_ANY, wxDefaultPosition, GetClientSize(), wxSP_NO_XP_THEME|wxSP_3D|wxSP_LIVE_UPDATE);
 542
 543     wxFont textFont = wxFont(12, wxROMAN, wxNORMAL, wxNORMAL);
 544     wxFont boldFont = wxFont(12, wxROMAN, wxNORMAL, wxBOLD);
 545     wxFont italicFont = wxFont(12, wxROMAN, wxITALIC, wxNORMAL);
 546
 547     m_richTextCtrl = new wxRichTextCtrl(splitter, ID_RICHTEXT_CTRL, wxEmptyString, wxDefaultPosition, wxSize(200, 200), wxVSCROLL|wxHSCROLL|wxNO_BORDER|wxWANTS_CHARS);
 548     wxFont font(12, wxROMAN, wxNORMAL, wxNORMAL);
 549
 550     m_richTextCtrl->SetFont(font);
 551
 552     m_richTextCtrl->SetStyleSheet(wxGetApp().GetStyleSheet());
 553
 554     combo->SetStyleSheet(wxGetApp().GetStyleSheet());
 555     combo->SetRichTextCtrl(m_richTextCtrl);
 556     combo->UpdateStyles();
 557
 558     wxRichTextStyleListBox* styleListBox = new wxRichTextStyleListBox(splitter, ID_RICHTEXT_STYLE_LIST);
 559
 560     wxSize display = wxGetDisplaySize();
 561     if ( is_pda && ( display.GetWidth() < display.GetHeight() ) )
 562     {
 563         splitter->SplitHorizontally(m_richTextCtrl, styleListBox);
 564     }
 565     else
 566     {
 567         splitter->SplitVertically(m_richTextCtrl, styleListBox, 500);
 568     }
 569
 570     splitter->UpdateSize();
 571
 572     styleListBox->SetStyleSheet(wxGetApp().GetStyleSheet());
 573     styleListBox->SetRichTextCtrl(m_richTextCtrl);
 574     styleListBox->UpdateStyles();
 575
 576     wxRichTextCtrl& r = *m_richTextCtrl;
 577
 578 #if 0
 579     r.WriteText(wxT("One\nTwo\nThree\n"));
 580 #if 0
 581     int i;
 582     for (i = 0; i < 3; i++)
 583     {
 584
 585         wxRichTextParagraph* para = r.GetBuffer().GetParagraphAtLine(i);
 586         if (para)
 587         {
 588             wxLogDebug(wxT("Range for paragraph %d: %d -> %d"), i, para->GetRange().GetStart(), para->GetRange().GetEnd());
 589         }
 590     }
 591 #endif
 592 #else
 593
 594     r.BeginSuppressUndo();
 595
 596     r.BeginParagraphSpacing(0, 20);
 597
 598     r.BeginAlignment(wxTEXT_ALIGNMENT_CENTRE);
 599     r.BeginBold();
 600
 601     r.BeginFontSize(14);
 602     r.WriteText(wxT("Welcome to wxRichTextCtrl, a wxWidgets control for editing and presenting styled text and images"));
 603     r.EndFontSize();
 604     r.Newline();
 605
 606     r.BeginItalic();
 607     r.WriteText(wxT("by Julian Smart"));
 608     r.EndItalic();
 609
 610     r.EndBold();
 611
 612     r.Newline();
 613     r.WriteImage(wxBitmap(zebra_xpm));
 614
 615     r.EndAlignment();
 616
 617     r.Newline();
 618     r.Newline();
 619
 620     r.WriteText(wxT("What can you do with this thing? "));
 621     r.WriteImage(wxBitmap(smiley_xpm));
 622     r.WriteText(wxT(" Well, you can change text "));
 623
 624     r.BeginTextColour(wxColour(255, 0, 0));
 625     r.WriteText(wxT("colour, like this red bit."));
 626     r.EndTextColour();
 627
 628     r.BeginTextColour(wxColour(0, 0, 255));
 629     r.WriteText(wxT(" And this blue bit."));
 630     r.EndTextColour();
 631
 632     r.WriteText(wxT(" Naturally you can make things "));
 633     r.BeginBold();
 634     r.WriteText(wxT("bold "));
 635     r.EndBold();
 636     r.BeginItalic();
 637     r.WriteText(wxT("or italic "));
 638     r.EndItalic();
 639     r.BeginUnderline();
 640     r.WriteText(wxT("or underlined."));
 641     r.EndUnderline();
 642
 643     r.BeginFontSize(14);
 644     r.WriteText(wxT(" Different font sizes on the same line is allowed, too."));
 645     r.EndFontSize();
 646
 647     r.WriteText(wxT(" Next we'll show an indented paragraph."));
 648
 649     r.BeginLeftIndent(60);
 650     r.Newline();
 651
 652     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."));
 653     r.EndLeftIndent();
 654
 655     r.Newline();
 656
 657     r.WriteText(wxT("Next, we'll show a first-line indent, achieved using BeginLeftIndent(100, -40)."));
 658
 659     r.BeginLeftIndent(100, -40);
 660     r.Newline();
 661
 662     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."));
 663     r.EndLeftIndent();
 664
 665     r.Newline();
 666
 667     r.WriteText(wxT("Numbered bullets are possible, again using subindents:"));
 668
 669     r.BeginNumberedBullet(1, 100, 60);
 670     r.Newline();
 671
 672     r.WriteText(wxT("This is my first item. Note that wxRichTextCtrl doesn't automatically do numbering, but this will be added later."));
 673     r.EndNumberedBullet();
 674
 675     r.BeginNumberedBullet(2, 100, 60);
 676     r.Newline();
 677
 678     r.WriteText(wxT("This is my second item."));
 679     r.EndNumberedBullet();
 680
 681     r.Newline();
 682
 683     r.WriteText(wxT("The following paragraph is right-indented:"));
 684
 685     r.BeginRightIndent(200);
 686     r.Newline();
 687
 688     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."));
 689     r.EndRightIndent();
 690
 691     r.Newline();
 692
 693     r.WriteText(wxT("The following paragraph is right-aligned with 1.5 line spacing:"));
 694
 695     r.BeginAlignment(wxTEXT_ALIGNMENT_RIGHT);
 696     r.BeginLineSpacing(wxTEXT_ATTR_LINE_SPACING_HALF);
 697     r.Newline();
 698
 699     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."));
 700     r.EndLineSpacing();
 701     r.EndAlignment();
 702
 703     wxArrayInt tabs;
 704     tabs.Add(400);
 705     tabs.Add(600);
 706     tabs.Add(800);
 707     tabs.Add(1000);
 708     wxTextAttrEx attr;
 709     attr.SetFlags(wxTEXT_ATTR_TABS);
 710     attr.SetTabs(tabs);
 711     r.SetDefaultStyle(attr);
 712
 713     r.Newline();
 714     r.WriteText(wxT("This line contains tabs:\tFirst tab\tSecond tab\tThird tab"));
 715
 716     r.Newline();
 717     r.WriteText(wxT("Other notable features of wxRichTextCtrl include:"));
 718
 719     r.BeginSymbolBullet(wxT('*'), 100, 60);
 720     r.Newline();
 721     r.WriteText(wxT("Compatibility with wxTextCtrl API"));
 722     r.EndSymbolBullet();
 723
 724     r.BeginSymbolBullet(wxT('*'), 100, 60);
 725     r.Newline();
 726     r.WriteText(wxT("Easy stack-based BeginXXX()...EndXXX() style setting in addition to SetStyle()"));
 727     r.EndSymbolBullet();
 728
 729     r.BeginSymbolBullet(wxT('*'), 100, 60);
 730     r.Newline();
 731     r.WriteText(wxT("XML loading and saving"));
 732     r.EndSymbolBullet();
 733
 734     r.BeginSymbolBullet(wxT('*'), 100, 60);
 735     r.Newline();
 736     r.WriteText(wxT("Undo/Redo, with batching option and Undo suppressing"));
 737     r.EndSymbolBullet();
 738
 739     r.BeginSymbolBullet(wxT('*'), 100, 60);
 740     r.Newline();
 741     r.WriteText(wxT("Clipboard copy and paste"));
 742     r.EndSymbolBullet();
 743
 744     r.BeginSymbolBullet(wxT('*'), 100, 60);
 745     r.Newline();
 746     r.WriteText(wxT("wxRichTextStyleSheet with named character and paragraph styles, and control for applying named styles"));
 747     r.EndSymbolBullet();
 748
 749     r.BeginSymbolBullet(wxT('*'), 100, 60);
 750     r.Newline();
 751     r.WriteText(wxT("A design that can easily be extended to other content types, ultimately with text boxes, tables, controls, and so on"));
 752     r.EndSymbolBullet();
 753
 754     r.Newline();
 755
 756     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!"));
 757
 758     r.EndParagraphSpacing();
 759
 760     r.EndSuppressUndo();
 761 #endif
 762 }
 763
 764
 765 // event handlers
 766
 767 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 768 {
 769     // true is to force the frame to close
 770     Close(true);
 771 }
 772
 773 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 774 {
 775     wxString msg;
 776     msg.Printf( _T("This is a demo for wxRichTextCtrl, a control for editing styled text.\n(c) Julian Smart, 2005"));
 777     wxMessageBox(msg, _T("About wxRichTextCtrl Sample"), wxOK | wxICON_INFORMATION, this);
 778 }
 779
 780 // Forward command events to the current rich text control, if any
 781 bool MyFrame::ProcessEvent(wxEvent& event)
 782 {
 783     if (event.IsCommandEvent() && !event.IsKindOf(CLASSINFO(wxChildFocusEvent)))
 784     {
 785         // Problem: we can get infinite recursion because the events
 786         // climb back up to this frame, and repeat.
 787         // Assume that command events don't cause another command event
 788         // to be called, so we can rely on inCommand not being overwritten
 789
 790         static int s_eventType = 0;
 791         static wxWindowID s_id = 0;
 792
 793         if (s_id != event.GetId() && s_eventType != event.GetEventType())
 794         {
 795             s_eventType = event.GetEventType();
 796             s_id = event.GetId();
 797
 798             wxWindow* focusWin = wxFindFocusDescendant(this);
 799             if (focusWin && focusWin->ProcessEvent(event))
 800             {
 801                 //s_command = NULL;
 802                 s_eventType = 0;
 803                 s_id = 0;
 804                 return true;
 805             }
 806
 807             s_eventType = 0;
 808             s_id = 0;
 809         }
 810         else
 811         {
 812             return false;
 813         }
 814     }
 815
 816     return wxFrame::ProcessEvent(event);
 817 }
 818
 819 void MyFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
 820 {
 821     wxString path;
 822     wxString filename;
 823     wxArrayInt fileTypes;
 824
 825     wxString filter = wxRichTextBuffer::GetExtWildcard(false, false, & fileTypes);
 826     if (!filter.empty())
 827         filter += wxT("|");
 828     filter += wxT("All files (*.*)|*.*");
 829
 830     wxFileDialog dialog(this,
 831         _("Choose a filename"),
 832         path,
 833         filename,
 834         filter,
 835         wxFD_OPEN);
 836
 837     if (dialog.ShowModal() == wxID_OK)
 838     {
 839         wxString path = dialog.GetPath();
 840
 841         if (!path.empty())
 842         {
 843             int filterIndex = dialog.GetFilterIndex();
 844             int fileType = (filterIndex < (int) fileTypes.GetCount())
 845                            ? fileTypes[filterIndex]
 846                            : wxRICHTEXT_TYPE_TEXT;
 847             m_richTextCtrl->LoadFile(path, fileType);
 848         }
 849     }
 850 }
 851
 852 void MyFrame::OnSave(wxCommandEvent& event)
 853 {
 854     if (m_richTextCtrl->GetFilename().empty())
 855     {
 856         OnSaveAs(event);
 857         return;
 858     }
 859     m_richTextCtrl->SaveFile();
 860 }
 861
 862 void MyFrame::OnSaveAs(wxCommandEvent& WXUNUSED(event))
 863 {
 864     wxString filter = wxRichTextBuffer::GetExtWildcard(false, true);
 865     wxString path;
 866     wxString filename;
 867
 868     wxFileDialog dialog(this,
 869         _("Choose a filename"),
 870         path,
 871         filename,
 872         filter,
 873         wxFD_SAVE);
 874
 875     if (dialog.ShowModal() == wxID_OK)
 876     {
 877         wxString path = dialog.GetPath();
 878
 879         if (!path.empty())
 880         {
 881             m_richTextCtrl->SaveFile(path);
 882         }
 883     }
 884 }
 885
 886 void MyFrame::OnBold(wxCommandEvent& WXUNUSED(event))
 887 {
 888     m_richTextCtrl->ApplyBoldToSelection();
 889 }
 890
 891 void MyFrame::OnItalic(wxCommandEvent& WXUNUSED(event))
 892 {
 893     m_richTextCtrl->ApplyItalicToSelection();
 894 }
 895
 896 void MyFrame::OnUnderline(wxCommandEvent& WXUNUSED(event))
 897 {
 898     m_richTextCtrl->ApplyUnderlineToSelection();
 899 }
 900
 901
 902 void MyFrame::OnUpdateBold(wxUpdateUIEvent& event)
 903 {
 904     event.Check(m_richTextCtrl->IsSelectionBold());
 905 }
 906
 907 void MyFrame::OnUpdateItalic(wxUpdateUIEvent& event)
 908 {
 909     event.Check(m_richTextCtrl->IsSelectionItalics());
 910 }
 911
 912 void MyFrame::OnUpdateUnderline(wxUpdateUIEvent& event)
 913 {
 914     event.Check(m_richTextCtrl->IsSelectionUnderlined());
 915 }
 916
 917 void MyFrame::OnAlignLeft(wxCommandEvent& WXUNUSED(event))
 918 {
 919     m_richTextCtrl->ApplyAlignmentToSelection(wxTEXT_ALIGNMENT_LEFT);
 920 }
 921
 922 void MyFrame::OnAlignCentre(wxCommandEvent& WXUNUSED(event))
 923 {
 924     m_richTextCtrl->ApplyAlignmentToSelection(wxTEXT_ALIGNMENT_CENTRE);
 925 }
 926
 927 void MyFrame::OnAlignRight(wxCommandEvent& WXUNUSED(event))
 928 {
 929     m_richTextCtrl->ApplyAlignmentToSelection(wxTEXT_ALIGNMENT_RIGHT);
 930 }
 931
 932 void MyFrame::OnUpdateAlignLeft(wxUpdateUIEvent& event)
 933 {
 934     event.Check(m_richTextCtrl->IsSelectionAligned(wxTEXT_ALIGNMENT_LEFT));
 935 }
 936
 937 void MyFrame::OnUpdateAlignCentre(wxUpdateUIEvent& event)
 938 {
 939     event.Check(m_richTextCtrl->IsSelectionAligned(wxTEXT_ALIGNMENT_CENTRE));
 940 }
 941
 942 void MyFrame::OnUpdateAlignRight(wxUpdateUIEvent& event)
 943 {
 944     event.Check(m_richTextCtrl->IsSelectionAligned(wxTEXT_ALIGNMENT_RIGHT));
 945 }
 946
 947 void MyFrame::OnFont(wxCommandEvent& WXUNUSED(event))
 948 {
 949     wxRichTextRange range;
 950     if (m_richTextCtrl->HasSelection())
 951         range = m_richTextCtrl->GetSelectionRange();
 952     else
 953         range = wxRichTextRange(0, m_richTextCtrl->GetLastPosition()+1);
 954
 955     int pages = wxRICHTEXT_FORMAT_FONT;
 956
 957     wxRichTextFormattingDialog formatDlg(pages, this);
 958     formatDlg.GetStyle(m_richTextCtrl, range);
 959
 960     if (formatDlg.ShowModal() == wxID_OK)
 961     {
 962         formatDlg.ApplyStyle(m_richTextCtrl, range);
 963     }
 964
 965     // Old method using wxFontDialog
 966 #if 0
 967     if (!m_richTextCtrl->HasSelection())
 968         return;
 969
 970     wxRichTextRange range = m_richTextCtrl->GetSelectionRange();
 971     wxFontData fontData;
 972
 973     wxTextAttrEx attr;
 974     attr.SetFlags(wxTEXT_ATTR_FONT);
 975
 976     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
 977         fontData.SetInitialFont(attr.GetFont());
 978
 979     wxFontDialog dialog(this, fontData);
 980     if (dialog.ShowModal() == wxID_OK)
 981     {
 982         fontData = dialog.GetFontData();
 983         attr.SetFlags(wxTEXT_ATTR_FONT);
 984         attr.SetFont(fontData.GetChosenFont());
 985         if (attr.GetFont().Ok())
 986         {
 987             m_richTextCtrl->SetStyle(range, attr);
 988         }
 989     }
 990 #endif
 991 }
 992
 993 void MyFrame::OnParagraph(wxCommandEvent& WXUNUSED(event))
 994 {
 995     wxRichTextRange range;
 996     if (m_richTextCtrl->HasSelection())
 997         range = m_richTextCtrl->GetSelectionRange();
 998     else
 999         range = wxRichTextRange(0, m_richTextCtrl->GetLastPosition()+1);
1000
1001     int pages = wxRICHTEXT_FORMAT_INDENTS_SPACING|wxRICHTEXT_FORMAT_TABS|wxRICHTEXT_FORMAT_BULLETS;
1002
1003     wxRichTextFormattingDialog formatDlg(pages, this);
1004     formatDlg.GetStyle(m_richTextCtrl, range);
1005
1006     if (formatDlg.ShowModal() == wxID_OK)
1007     {
1008         formatDlg.ApplyStyle(m_richTextCtrl, range);
1009     }
1010 }
1011
1012 void MyFrame::OnFormat(wxCommandEvent& WXUNUSED(event))
1013 {
1014     wxRichTextRange range;
1015     if (m_richTextCtrl->HasSelection())
1016         range = m_richTextCtrl->GetSelectionRange();
1017     else
1018         range = wxRichTextRange(0, m_richTextCtrl->GetLastPosition()+1);
1019
1020     int pages = wxRICHTEXT_FORMAT_FONT|wxRICHTEXT_FORMAT_INDENTS_SPACING|wxRICHTEXT_FORMAT_TABS|wxRICHTEXT_FORMAT_BULLETS;
1021
1022     wxRichTextFormattingDialog formatDlg(pages, this);
1023     formatDlg.GetStyle(m_richTextCtrl, range);
1024
1025     if (formatDlg.ShowModal() == wxID_OK)
1026     {
1027         formatDlg.ApplyStyle(m_richTextCtrl, range);
1028     }
1029 }
1030
1031 void MyFrame::OnUpdateFormat(wxUpdateUIEvent& event)
1032 {
1033     event.Enable(m_richTextCtrl->HasSelection());
1034 }
1035
1036 void MyFrame::OnIndentMore(wxCommandEvent& WXUNUSED(event))
1037 {
1038     wxTextAttrEx attr;
1039     attr.SetFlags(wxTEXT_ATTR_LEFT_INDENT);
1040
1041     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1042     {
1043         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1044         if (m_richTextCtrl->HasSelection())
1045             range = m_richTextCtrl->GetSelectionRange();
1046
1047         wxFontData fontData;
1048         attr.SetLeftIndent(attr.GetLeftIndent() + 100);
1049
1050         attr.SetFlags(wxTEXT_ATTR_LEFT_INDENT);
1051         m_richTextCtrl->SetStyle(range, attr);
1052     }
1053 }
1054
1055 void MyFrame::OnIndentLess(wxCommandEvent& WXUNUSED(event))
1056 {
1057     wxTextAttrEx attr;
1058     attr.SetFlags(wxTEXT_ATTR_LEFT_INDENT);
1059
1060     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1061     {
1062         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1063         if (m_richTextCtrl->HasSelection())
1064             range = m_richTextCtrl->GetSelectionRange();
1065
1066         if (attr.GetLeftIndent() >= 100)
1067         {
1068             wxFontData fontData;
1069             attr.SetLeftIndent(attr.GetLeftIndent() - 100);
1070
1071             m_richTextCtrl->SetStyle(range, attr);
1072         }
1073     }
1074 }
1075
1076 void MyFrame::OnLineSpacingHalf(wxCommandEvent& WXUNUSED(event))
1077 {
1078     wxTextAttrEx attr;
1079     attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1080
1081     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1082     {
1083         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1084         if (m_richTextCtrl->HasSelection())
1085             range = m_richTextCtrl->GetSelectionRange();
1086
1087         wxFontData fontData;
1088         attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1089         attr.SetLineSpacing(15);
1090
1091         m_richTextCtrl->SetStyle(range, attr);
1092     }
1093 }
1094
1095 void MyFrame::OnLineSpacingDouble(wxCommandEvent& WXUNUSED(event))
1096 {
1097     wxTextAttrEx attr;
1098     attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1099
1100     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1101     {
1102         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1103         if (m_richTextCtrl->HasSelection())
1104             range = m_richTextCtrl->GetSelectionRange();
1105
1106         wxFontData fontData;
1107         attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1108         attr.SetLineSpacing(20);
1109
1110         m_richTextCtrl->SetStyle(range, attr);
1111     }
1112 }
1113
1114 void MyFrame::OnLineSpacingSingle(wxCommandEvent& WXUNUSED(event))
1115 {
1116     wxTextAttrEx attr;
1117     attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1118
1119     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1120     {
1121         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1122         if (m_richTextCtrl->HasSelection())
1123             range = m_richTextCtrl->GetSelectionRange();
1124
1125         wxFontData fontData;
1126         attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
1127         attr.SetLineSpacing(0); // Can also use 10
1128
1129         m_richTextCtrl->SetStyle(range, attr);
1130     }
1131 }
1132
1133 void MyFrame::OnParagraphSpacingMore(wxCommandEvent& WXUNUSED(event))
1134 {
1135     wxTextAttrEx attr;
1136     attr.SetFlags(wxTEXT_ATTR_PARA_SPACING_AFTER);
1137
1138     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1139     {
1140         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1141         if (m_richTextCtrl->HasSelection())
1142             range = m_richTextCtrl->GetSelectionRange();
1143
1144         wxFontData fontData;
1145         attr.SetParagraphSpacingAfter(attr.GetParagraphSpacingAfter() + 20);
1146
1147         attr.SetFlags(wxTEXT_ATTR_PARA_SPACING_AFTER);
1148         m_richTextCtrl->SetStyle(range, attr);
1149     }
1150 }
1151
1152 void MyFrame::OnParagraphSpacingLess(wxCommandEvent& WXUNUSED(event))
1153 {
1154     wxTextAttrEx attr;
1155     attr.SetFlags(wxTEXT_ATTR_PARA_SPACING_AFTER);
1156
1157     if (m_richTextCtrl->GetStyle(m_richTextCtrl->GetInsertionPoint(), attr))
1158     {
1159         wxRichTextRange range(m_richTextCtrl->GetInsertionPoint(), m_richTextCtrl->GetInsertionPoint());
1160         if (m_richTextCtrl->HasSelection())
1161             range = m_richTextCtrl->GetSelectionRange();
1162
1163         if (attr.GetParagraphSpacingAfter() >= 20)
1164         {
1165             wxFontData fontData;
1166             attr.SetParagraphSpacingAfter(attr.GetParagraphSpacingAfter() - 20);
1167
1168             attr.SetFlags(wxTEXT_ATTR_PARA_SPACING_AFTER);
1169             m_richTextCtrl->SetStyle(range, attr);
1170         }
1171     }
1172 }
1173
1174 void MyFrame::OnViewHTML(wxCommandEvent& WXUNUSED(event))
1175 {
1176     wxDialog dialog(this, wxID_ANY, _("HTML"), wxDefaultPosition, wxSize(500, 400), wxDEFAULT_DIALOG_STYLE);
1177
1178     wxBoxSizer* boxSizer = new wxBoxSizer(wxVERTICAL);
1179     dialog.SetSizer(boxSizer);
1180
1181     wxHtmlWindow* win = new wxHtmlWindow(& dialog, wxID_ANY, wxDefaultPosition, wxSize(500, 400), wxSUNKEN_BORDER);
1182     boxSizer->Add(win, 1, wxALL, 5);
1183
1184     wxButton* cancelButton = new wxButton(& dialog, wxID_CANCEL, wxT("&Close"));
1185     boxSizer->Add(cancelButton, 0, wxALL|wxCENTRE, 5);
1186
1187     wxString text;
1188     wxStringOutputStream strStream(& text);
1189
1190     wxRichTextHTMLHandler htmlHandler;
1191     if (htmlHandler.SaveFile(& m_richTextCtrl->GetBuffer(), strStream))
1192     {
1193         win->SetPage(text);
1194     }
1195
1196     boxSizer->Fit(& dialog);
1197
1198     dialog.ShowModal();
1199 }
1200
1201 // Demonstrates how you can change the style sheets and have the changes
1202 // reflected in the control content without wiping out character formatting.
1203
1204 void MyFrame::OnSwitchStyleSheets(wxCommandEvent& WXUNUSED(event))
1205 {
1206     static wxRichTextStyleSheet* gs_AlternateStyleSheet = NULL;
1207
1208     wxRichTextCtrl* ctrl = (wxRichTextCtrl*) FindWindow(ID_RICHTEXT_CTRL);
1209     wxRichTextStyleListBox* styleList = (wxRichTextStyleListBox*) FindWindow(ID_RICHTEXT_STYLE_LIST);
1210     wxRichTextStyleComboCtrl* styleCombo = (wxRichTextStyleComboCtrl*) FindWindow(ID_RICHTEXT_STYLE_COMBO);
1211
1212     wxRichTextStyleSheet* sheet = ctrl->GetStyleSheet();
1213
1214     // One-time creation of an alternate style sheet
1215     if (!gs_AlternateStyleSheet)
1216     {
1217         gs_AlternateStyleSheet = new wxRichTextStyleSheet(*sheet);
1218
1219         // Make some modifications
1220         for (int i = 0; i < (int) gs_AlternateStyleSheet->GetParagraphStyleCount(); i++)
1221         {
1222             wxRichTextParagraphStyleDefinition* def = gs_AlternateStyleSheet->GetParagraphStyle(i);
1223
1224             if (def->GetStyle().HasTextColour())
1225                 def->GetStyle().SetTextColour(*wxBLUE);
1226
1227             if (def->GetStyle().HasAlignment())
1228             {
1229                 if (def->GetStyle().GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
1230                     def->GetStyle().SetAlignment(wxTEXT_ALIGNMENT_RIGHT);
1231                 else if (def->GetStyle().GetAlignment() == wxTEXT_ALIGNMENT_LEFT)
1232                     def->GetStyle().SetAlignment(wxTEXT_ALIGNMENT_CENTRE);
1233             }
1234             if (def->GetStyle().HasLeftIndent())
1235             {
1236                 def->GetStyle().SetLeftIndent(def->GetStyle().GetLeftIndent() * 2);
1237             }
1238         }
1239     }
1240
1241     // Switch sheets
1242     wxRichTextStyleSheet* tmp = gs_AlternateStyleSheet;
1243     gs_AlternateStyleSheet = sheet;
1244     sheet = tmp;
1245
1246     ctrl->SetStyleSheet(sheet);
1247     ctrl->ApplyStyleSheet(sheet); // Makes the control reflect the new style definitions
1248
1249     styleList->SetStyleSheet(sheet);
1250     styleList->UpdateStyles();
1251
1252     styleCombo->SetStyleSheet(sheet);
1253     styleCombo->UpdateStyles();
1254 }
1255
1256 void MyFrame::OnInsertSymbol(wxCommandEvent& WXUNUSED(event))
1257 {
1258     wxRichTextCtrl* ctrl = (wxRichTextCtrl*) FindWindow(ID_RICHTEXT_CTRL);
1259
1260     wxTextAttrEx attr;
1261     attr.SetFlags(wxTEXT_ATTR_FONT);
1262     ctrl->GetStyle(ctrl->GetInsertionPoint(), attr);
1263
1264     wxString currentFontName;
1265     if (attr.HasFont() && attr.GetFont().Ok())
1266         currentFontName = attr.GetFont().GetFaceName();
1267
1268     // Don't set the initial font in the dialog (so the user is choosing
1269     // 'normal text', i.e. the current font) but do tell the dialog
1270     // what 'normal text' is.
1271
1272     wxSymbolPickerDialog dlg(wxT("*"), wxEmptyString, currentFontName, this);
1273
1274     if (dlg.ShowModal() == wxID_OK)
1275     {
1276         if (dlg.HasSelection())
1277         {
1278             long insertionPoint = ctrl->GetInsertionPoint();
1279
1280             ctrl->WriteText(dlg.GetSymbol());
1281
1282             if (!dlg.UseNormalFont())
1283             {
1284                 wxFont font(attr.GetFont());
1285                 font.SetFaceName(dlg.GetFontName());
1286                 attr.SetFont(font);
1287                 ctrl->SetStyle(insertionPoint, insertionPoint+1, attr);
1288             }
1289         }
1290     }
1291 }