src/richtext/richtextstyles.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/richtext/richtextstyles.cpp
   3 // Purpose:     Style management for wxRichTextCtrl
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     2005-09-30
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16   #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_RICHTEXT
  20
  21 #include "wx/richtext/richtextstyles.h"
  22
  23 #ifndef WX_PRECOMP
  24   #include "wx/wx.h"
  25 #endif
  26
  27 #include "wx/filename.h"
  28 #include "wx/clipbrd.h"
  29 #include "wx/wfstream.h"
  30 #include "wx/settings.h"
  31
  32 #include "wx/richtext/richtextctrl.h"
  33
  34 IMPLEMENT_CLASS(wxRichTextStyleDefinition, wxObject)
  35 IMPLEMENT_CLASS(wxRichTextCharacterStyleDefinition, wxRichTextStyleDefinition)
  36 IMPLEMENT_CLASS(wxRichTextParagraphStyleDefinition, wxRichTextStyleDefinition)
  37 IMPLEMENT_CLASS(wxRichTextListStyleDefinition, wxRichTextParagraphStyleDefinition)
  38 IMPLEMENT_CLASS(wxRichTextBoxStyleDefinition, wxRichTextStyleDefinition)
  39
  40 /*!
  41  * A definition
  42  */
  43
  44 void wxRichTextStyleDefinition::Copy(const wxRichTextStyleDefinition& def)
  45 {
  46     m_name = def.m_name;
  47     m_baseStyle = def.m_baseStyle;
  48     m_style = def.m_style;
  49     m_description = def.m_description;
  50     m_properties = def.m_properties;
  51 }
  52
  53 bool wxRichTextStyleDefinition::Eq(const wxRichTextStyleDefinition& def) const
  54 {
  55     return (m_name == def.m_name && m_baseStyle == def.m_baseStyle && m_style == def.m_style && m_properties == def.m_properties);
  56 }
  57
  58 /// Gets the style combined with the base style
  59 wxRichTextAttr wxRichTextStyleDefinition::GetStyleMergedWithBase(const wxRichTextStyleSheet* sheet) const
  60 {
  61     if (m_baseStyle.IsEmpty())
  62         return m_style;
  63
  64     bool isParaStyle = IsKindOf(wxCLASSINFO(wxRichTextParagraphStyleDefinition));
  65     bool isCharStyle = IsKindOf(wxCLASSINFO(wxRichTextCharacterStyleDefinition));
  66     bool isListStyle = IsKindOf(wxCLASSINFO(wxRichTextListStyleDefinition));
  67     bool isBoxStyle  = IsKindOf(wxCLASSINFO(wxRichTextBoxStyleDefinition));
  68
  69     // Collect the styles, detecting loops
  70     wxArrayString styleNames;
  71     wxList styles;
  72     const wxRichTextStyleDefinition* def = this;
  73     while (def)
  74     {
  75         styles.Insert((wxObject*) def);
  76         styleNames.Add(def->GetName());
  77
  78         wxString baseStyleName = def->GetBaseStyle();
  79         if (!baseStyleName.IsEmpty() && styleNames.Index(baseStyleName) == wxNOT_FOUND)
  80         {
  81             if (isParaStyle)
  82                 def = sheet->FindParagraphStyle(baseStyleName);
  83             else if (isCharStyle)
  84                 def = sheet->FindCharacterStyle(baseStyleName);
  85             else if (isListStyle)
  86                 def = sheet->FindListStyle(baseStyleName);
  87             else if (isBoxStyle)
  88                 def = sheet->FindBoxStyle(baseStyleName);
  89             else
  90                 def = sheet->FindStyle(baseStyleName);
  91         }
  92         else
  93             def = NULL;
  94     }
  95
  96     wxRichTextAttr attr;
  97     wxList::compatibility_iterator node = styles.GetFirst();
  98     while (node)
  99     {
 100         wxRichTextStyleDefinition* def = (wxRichTextStyleDefinition*) node->GetData();
 101         attr.Apply(def->GetStyle(), NULL);
 102         node = node->GetNext();
 103     }
 104
 105     return attr;
 106 }
 107
 108 /*!
 109  * Paragraph style definition
 110  */
 111
 112 void wxRichTextParagraphStyleDefinition::Copy(const wxRichTextParagraphStyleDefinition& def)
 113 {
 114     wxRichTextStyleDefinition::Copy(def);
 115
 116     m_nextStyle = def.m_nextStyle;
 117 }
 118
 119 bool wxRichTextParagraphStyleDefinition::operator ==(const wxRichTextParagraphStyleDefinition& def) const
 120 {
 121     return (Eq(def) && m_nextStyle == def.m_nextStyle);
 122 }
 123
 124 /*!
 125  * Box style definition
 126  */
 127
 128 void wxRichTextBoxStyleDefinition::Copy(const wxRichTextBoxStyleDefinition& def)
 129 {
 130     wxRichTextStyleDefinition::Copy(def);
 131 }
 132
 133 bool wxRichTextBoxStyleDefinition::operator ==(const wxRichTextBoxStyleDefinition& def) const
 134 {
 135     return (Eq(def));
 136 }
 137
 138 /*!
 139  * List style definition
 140  */
 141
 142 void wxRichTextListStyleDefinition::Copy(const wxRichTextListStyleDefinition& def)
 143 {
 144     wxRichTextParagraphStyleDefinition::Copy(def);
 145
 146     int i;
 147     for (i = 0; i < 10; i++)
 148         m_levelStyles[i] = def.m_levelStyles[i];
 149 }
 150
 151 bool wxRichTextListStyleDefinition::operator ==(const wxRichTextListStyleDefinition& def) const
 152 {
 153     if (!Eq(def))
 154         return false;
 155     int i;
 156     for (i = 0; i < 10; i++)
 157         if (!(m_levelStyles[i] == def.m_levelStyles[i]))
 158             return false;
 159
 160     return true;
 161 }
 162
 163 /// Sets/gets the attributes for the given level
 164 void wxRichTextListStyleDefinition::SetLevelAttributes(int i, const wxRichTextAttr& attr)
 165 {
 166     wxASSERT( (i >= 0 && i < 10) );
 167     if (i >= 0 && i < 10)
 168         m_levelStyles[i] = attr;
 169 }
 170
 171 const wxRichTextAttr* wxRichTextListStyleDefinition::GetLevelAttributes(int i) const
 172 {
 173     wxASSERT( (i >= 0 && i < 10) );
 174     if (i >= 0 && i < 10)
 175         return & m_levelStyles[i];
 176     else
 177         return NULL;
 178 }
 179
 180 wxRichTextAttr* wxRichTextListStyleDefinition::GetLevelAttributes(int i)
 181 {
 182     wxASSERT( (i >= 0 && i < 10) );
 183     if (i >= 0 && i < 10)
 184         return & m_levelStyles[i];
 185     else
 186         return NULL;
 187 }
 188
 189 /// Convenience function for setting the major attributes for a list level specification
 190 void wxRichTextListStyleDefinition::SetAttributes(int i, int leftIndent, int leftSubIndent, int bulletStyle, const wxString& bulletSymbol)
 191 {
 192     wxASSERT( (i >= 0 && i < 10) );
 193     if (i >= 0 && i < 10)
 194     {
 195         wxRichTextAttr attr;
 196
 197         attr.SetBulletStyle(bulletStyle);
 198         attr.SetLeftIndent(leftIndent, leftSubIndent);
 199
 200         if (!bulletSymbol.IsEmpty())
 201         {
 202             if (bulletStyle & wxTEXT_ATTR_BULLET_STYLE_SYMBOL)
 203                 attr.SetBulletText(bulletSymbol);
 204             else
 205                 attr.SetBulletName(bulletSymbol);
 206         }
 207
 208         m_levelStyles[i] = attr;
 209     }
 210 }
 211
 212 /// Finds the level corresponding to the given indentation
 213 int wxRichTextListStyleDefinition::FindLevelForIndent(int indent) const
 214 {
 215     int i;
 216     for (i = 0; i < 10; i++)
 217     {
 218         if (indent < m_levelStyles[i].GetLeftIndent())
 219         {
 220             if (i > 0)
 221                 return i - 1;
 222             else
 223                 return 0;
 224         }
 225     }
 226     return 9;
 227 }
 228
 229 /// Combine the list style with a paragraph style, using the given indent (from which
 230 /// an appropriate level is found)
 231 wxRichTextAttr wxRichTextListStyleDefinition::CombineWithParagraphStyle(int indent, const wxRichTextAttr& paraStyle, wxRichTextStyleSheet* styleSheet)
 232 {
 233     int listLevel = FindLevelForIndent(indent);
 234
 235     wxRichTextAttr attr(*GetLevelAttributes(listLevel));
 236     int oldLeftIndent = attr.GetLeftIndent();
 237     int oldLeftSubIndent = attr.GetLeftSubIndent();
 238
 239     // First apply the overall paragraph style, if any
 240     if (styleSheet)
 241         attr.Apply(GetStyleMergedWithBase(styleSheet));
 242     else
 243         attr.Apply(GetStyle());
 244
 245     // Then apply paragraph style, e.g. from paragraph style definition
 246     attr.Apply(paraStyle);
 247
 248     // We override the indents according to the list definition
 249     attr.SetLeftIndent(oldLeftIndent, oldLeftSubIndent);
 250
 251     return attr;
 252 }
 253
 254 /// Combine the base and list style, using the given indent (from which
 255 /// an appropriate level is found)
 256 wxRichTextAttr wxRichTextListStyleDefinition::GetCombinedStyle(int indent, wxRichTextStyleSheet* styleSheet)
 257 {
 258     int listLevel = FindLevelForIndent(indent);
 259     return GetCombinedStyleForLevel(listLevel, styleSheet);
 260 }
 261
 262 /// Combine the base and list style, using the given indent (from which
 263 /// an appropriate level is found)
 264 wxRichTextAttr wxRichTextListStyleDefinition::GetCombinedStyleForLevel(int listLevel, wxRichTextStyleSheet* styleSheet)
 265 {
 266     wxRichTextAttr attr(*GetLevelAttributes(listLevel));
 267     int oldLeftIndent = attr.GetLeftIndent();
 268     int oldLeftSubIndent = attr.GetLeftSubIndent();
 269
 270     // Apply the overall paragraph style, if any
 271     if (styleSheet)
 272         attr.Apply(GetStyleMergedWithBase(styleSheet));
 273     else
 274         attr.Apply(GetStyle());
 275
 276     // We override the indents according to the list definition
 277     attr.SetLeftIndent(oldLeftIndent, oldLeftSubIndent);
 278
 279     return attr;
 280 }
 281
 282 /// Is this a numbered list?
 283 bool wxRichTextListStyleDefinition::IsNumbered(int i) const
 284 {
 285     return (0 != (GetLevelAttributes(i)->GetFlags() &
 286                    (wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_LETTERS_UPPER|wxTEXT_ATTR_BULLET_STYLE_LETTERS_LOWER|
 287                     wxTEXT_ATTR_BULLET_STYLE_ROMAN_UPPER|wxTEXT_ATTR_BULLET_STYLE_ROMAN_LOWER)));
 288 }
 289
 290 /*!
 291  * The style manager
 292  */
 293
 294 IMPLEMENT_CLASS(wxRichTextStyleSheet, wxObject)
 295
 296 wxRichTextStyleSheet::~wxRichTextStyleSheet()
 297 {
 298     DeleteStyles();
 299
 300     if (m_nextSheet)
 301         m_nextSheet->m_previousSheet = m_previousSheet;
 302
 303     if (m_previousSheet)
 304         m_previousSheet->m_nextSheet = m_nextSheet;
 305
 306     m_previousSheet = NULL;
 307     m_nextSheet = NULL;
 308 }
 309
 310 /// Initialisation
 311 void wxRichTextStyleSheet::Init()
 312 {
 313     m_previousSheet = NULL;
 314     m_nextSheet = NULL;
 315 }
 316
 317 /// Add a definition to one of the style lists
 318 bool wxRichTextStyleSheet::AddStyle(wxList& list, wxRichTextStyleDefinition* def)
 319 {
 320     if (!list.Find(def))
 321         list.Append(def);
 322     return true;
 323 }
 324
 325 /// Remove a style
 326 bool wxRichTextStyleSheet::RemoveStyle(wxList& list, wxRichTextStyleDefinition* def, bool deleteStyle)
 327 {
 328     wxList::compatibility_iterator node = list.Find(def);
 329     if (node)
 330     {
 331         wxRichTextStyleDefinition* def = (wxRichTextStyleDefinition*) node->GetData();
 332         list.Erase(node);
 333         if (deleteStyle)
 334             delete def;
 335         return true;
 336     }
 337     else
 338         return false;
 339 }
 340
 341 /// Remove a style
 342 bool wxRichTextStyleSheet::RemoveStyle(wxRichTextStyleDefinition* def, bool deleteStyle)
 343 {
 344     if (RemoveParagraphStyle(def, deleteStyle))
 345         return true;
 346     if (RemoveCharacterStyle(def, deleteStyle))
 347         return true;
 348     if (RemoveListStyle(def, deleteStyle))
 349         return true;
 350     if (RemoveBoxStyle(def, deleteStyle))
 351         return true;
 352     return false;
 353 }
 354
 355 /// Find a definition by name
 356 wxRichTextStyleDefinition* wxRichTextStyleSheet::FindStyle(const wxList& list, const wxString& name, bool recurse) const
 357 {
 358     for (wxList::compatibility_iterator node = list.GetFirst(); node; node = node->GetNext())
 359     {
 360         wxRichTextStyleDefinition* def = (wxRichTextStyleDefinition*) node->GetData();
 361         if (def->GetName() == name)
 362             return def;
 363     }
 364
 365     if (m_nextSheet && recurse)
 366         return m_nextSheet->FindStyle(list, name, recurse);
 367
 368     return NULL;
 369 }
 370
 371 /// Delete all styles
 372 void wxRichTextStyleSheet::DeleteStyles()
 373 {
 374     WX_CLEAR_LIST(wxList, m_characterStyleDefinitions);
 375     WX_CLEAR_LIST(wxList, m_paragraphStyleDefinitions);
 376     WX_CLEAR_LIST(wxList, m_listStyleDefinitions);
 377     WX_CLEAR_LIST(wxList, m_boxStyleDefinitions);
 378 }
 379
 380 /// Insert into list of style sheets
 381 bool wxRichTextStyleSheet::InsertSheet(wxRichTextStyleSheet* before)
 382 {
 383     m_previousSheet = before->m_previousSheet;
 384     m_nextSheet = before;
 385
 386     before->m_previousSheet = this;
 387     return true;
 388 }
 389
 390 /// Append to list of style sheets
 391 bool wxRichTextStyleSheet::AppendSheet(wxRichTextStyleSheet* after)
 392 {
 393     wxRichTextStyleSheet* last = after;
 394     while (last && last->m_nextSheet)
 395     {
 396         last = last->m_nextSheet;
 397     }
 398
 399     if (last)
 400     {
 401         m_previousSheet = last;
 402         last->m_nextSheet = this;
 403
 404         return true;
 405     }
 406     else
 407         return false;
 408 }
 409
 410 /// Unlink from the list of style sheets
 411 void wxRichTextStyleSheet::Unlink()
 412 {
 413     if (m_previousSheet)
 414         m_previousSheet->m_nextSheet = m_nextSheet;
 415     if (m_nextSheet)
 416         m_nextSheet->m_previousSheet = m_previousSheet;
 417
 418     m_previousSheet = NULL;
 419     m_nextSheet = NULL;
 420 }
 421
 422 /// Add a definition to the character style list
 423 bool wxRichTextStyleSheet::AddCharacterStyle(wxRichTextCharacterStyleDefinition* def)
 424 {
 425     def->GetStyle().SetCharacterStyleName(def->GetName());
 426     return AddStyle(m_characterStyleDefinitions, def);
 427 }
 428
 429 /// Add a definition to the paragraph style list
 430 bool wxRichTextStyleSheet::AddParagraphStyle(wxRichTextParagraphStyleDefinition* def)
 431 {
 432     def->GetStyle().SetParagraphStyleName(def->GetName());
 433     return AddStyle(m_paragraphStyleDefinitions, def);
 434 }
 435
 436 /// Add a definition to the list style list
 437 bool wxRichTextStyleSheet::AddListStyle(wxRichTextListStyleDefinition* def)
 438 {
 439     def->GetStyle().SetListStyleName(def->GetName());
 440     return AddStyle(m_listStyleDefinitions, def);
 441 }
 442
 443 /// Add a definition to the box style list
 444 bool wxRichTextStyleSheet::AddBoxStyle(wxRichTextBoxStyleDefinition* def)
 445 {
 446     def->GetStyle().GetTextBoxAttr().SetBoxStyleName(def->GetName());
 447     return AddStyle(m_boxStyleDefinitions, def);
 448 }
 449
 450 /// Add a definition to the appropriate style list
 451 bool wxRichTextStyleSheet::AddStyle(wxRichTextStyleDefinition* def)
 452 {
 453     wxRichTextListStyleDefinition* listDef = wxDynamicCast(def, wxRichTextListStyleDefinition);
 454     if (listDef)
 455         return AddListStyle(listDef);
 456
 457     wxRichTextParagraphStyleDefinition* paraDef = wxDynamicCast(def, wxRichTextParagraphStyleDefinition);
 458     if (paraDef)
 459         return AddParagraphStyle(paraDef);
 460
 461     wxRichTextCharacterStyleDefinition* charDef = wxDynamicCast(def, wxRichTextCharacterStyleDefinition);
 462     if (charDef)
 463         return AddCharacterStyle(charDef);
 464
 465     wxRichTextBoxStyleDefinition* boxDef = wxDynamicCast(def, wxRichTextBoxStyleDefinition);
 466     if (boxDef)
 467         return AddBoxStyle(boxDef);
 468
 469     return false;
 470 }
 471
 472 /// Find any definition by name
 473 wxRichTextStyleDefinition* wxRichTextStyleSheet::FindStyle(const wxString& name, bool recurse) const
 474 {
 475     wxRichTextListStyleDefinition* listDef = FindListStyle(name, recurse);
 476     if (listDef)
 477         return listDef;
 478
 479     wxRichTextParagraphStyleDefinition* paraDef = FindParagraphStyle(name, recurse);
 480     if (paraDef)
 481         return paraDef;
 482
 483     wxRichTextCharacterStyleDefinition* charDef = FindCharacterStyle(name, recurse);
 484     if (charDef)
 485         return charDef;
 486
 487     wxRichTextBoxStyleDefinition* boxDef = FindBoxStyle(name, recurse);
 488     if (boxDef)
 489         return boxDef;
 490
 491     return NULL;
 492 }
 493
 494 /// Copy
 495 void wxRichTextStyleSheet::Copy(const wxRichTextStyleSheet& sheet)
 496 {
 497     DeleteStyles();
 498
 499     wxList::compatibility_iterator node;
 500
 501     for (node = sheet.m_characterStyleDefinitions.GetFirst(); node; node = node->GetNext())
 502     {
 503         wxRichTextCharacterStyleDefinition* def = (wxRichTextCharacterStyleDefinition*) node->GetData();
 504         AddCharacterStyle(new wxRichTextCharacterStyleDefinition(*def));
 505     }
 506
 507     for (node = sheet.m_paragraphStyleDefinitions.GetFirst(); node; node = node->GetNext())
 508     {
 509         wxRichTextParagraphStyleDefinition* def = (wxRichTextParagraphStyleDefinition*) node->GetData();
 510         AddParagraphStyle(new wxRichTextParagraphStyleDefinition(*def));
 511     }
 512
 513     for (node = sheet.m_listStyleDefinitions.GetFirst(); node; node = node->GetNext())
 514     {
 515         wxRichTextListStyleDefinition* def = (wxRichTextListStyleDefinition*) node->GetData();
 516         AddListStyle(new wxRichTextListStyleDefinition(*def));
 517     }
 518
 519     for (node = sheet.m_boxStyleDefinitions.GetFirst(); node; node = node->GetNext())
 520     {
 521         wxRichTextBoxStyleDefinition* def = (wxRichTextBoxStyleDefinition*) node->GetData();
 522         AddBoxStyle(new wxRichTextBoxStyleDefinition(*def));
 523     }
 524
 525     SetName(sheet.GetName());
 526     SetDescription(sheet.GetDescription());
 527     m_properties = sheet.m_properties;
 528 }
 529
 530 /// Equality
 531 bool wxRichTextStyleSheet::operator==(const wxRichTextStyleSheet& WXUNUSED(sheet)) const
 532 {
 533     // TODO
 534     return false;
 535 }
 536
 537
 538 #if wxUSE_HTML
 539
 540 // Functions for dealing with clashing names for different kinds of style.
 541 // Returns "P", "C", "L" or "B" (paragraph, character, list or box) for
 542 // style name | type.
 543 static wxString wxGetRichTextStyleType(const wxString& style)
 544 {
 545     return style.AfterLast(wxT('|'));
 546 }
 547
 548 static wxString wxGetRichTextStyle(const wxString& style)
 549 {
 550     return style.BeforeLast(wxT('|'));
 551 }
 552
 553
 554 /*!
 555  * wxRichTextStyleListBox: a listbox to display styles.
 556  */
 557
 558 IMPLEMENT_CLASS(wxRichTextStyleListBox, wxHtmlListBox)
 559
 560 BEGIN_EVENT_TABLE(wxRichTextStyleListBox, wxHtmlListBox)
 561     EVT_LEFT_DOWN(wxRichTextStyleListBox::OnLeftDown)
 562     EVT_LEFT_DCLICK(wxRichTextStyleListBox::OnLeftDoubleClick)
 563     EVT_IDLE(wxRichTextStyleListBox::OnIdle)
 564 END_EVENT_TABLE()
 565
 566 wxRichTextStyleListBox::wxRichTextStyleListBox(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 567     const wxSize& size, long style)
 568 {
 569     Init();
 570     Create(parent, id, pos, size, style);
 571 }
 572
 573 bool wxRichTextStyleListBox::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 574         const wxSize& size, long style)
 575 {
 576     return wxHtmlListBox::Create(parent, id, pos, size, style);
 577 }
 578
 579 wxRichTextStyleListBox::~wxRichTextStyleListBox()
 580 {
 581 }
 582
 583 /// Returns the HTML for this item
 584 wxString wxRichTextStyleListBox::OnGetItem(size_t n) const
 585 {
 586     if (!GetStyleSheet())
 587         return wxEmptyString;
 588
 589     wxRichTextStyleDefinition* def = GetStyle(n);
 590     if (def)
 591         return CreateHTML(def);
 592
 593     return wxEmptyString;
 594 }
 595
 596 // Get style for index
 597 wxRichTextStyleDefinition* wxRichTextStyleListBox::GetStyle(size_t i) const
 598 {
 599     if (!GetStyleSheet())
 600         return NULL;
 601
 602     if (i >= m_styleNames.GetCount() /* || i < 0 */ )
 603         return NULL;
 604
 605     wxString styleType = wxGetRichTextStyleType(m_styleNames[i]);
 606     wxString style = wxGetRichTextStyle(m_styleNames[i]);
 607     if (styleType == wxT("P"))
 608         return GetStyleSheet()->FindParagraphStyle(style);
 609     else if (styleType == wxT("C"))
 610         return GetStyleSheet()->FindCharacterStyle(style);
 611     else if (styleType == wxT("L"))
 612         return GetStyleSheet()->FindListStyle(style);
 613     else if (styleType == wxT("B"))
 614         return GetStyleSheet()->FindBoxStyle(style);
 615     else
 616         return GetStyleSheet()->FindStyle(style);
 617 }
 618
 619 /// Updates the list
 620 void wxRichTextStyleListBox::UpdateStyles()
 621 {
 622     if (GetStyleSheet())
 623     {
 624         int oldSel = GetSelection();
 625
 626         SetSelection(wxNOT_FOUND);
 627
 628         m_styleNames.Clear();
 629
 630         size_t i;
 631         if (GetStyleType() == wxRICHTEXT_STYLE_ALL || GetStyleType() == wxRICHTEXT_STYLE_PARAGRAPH)
 632         {
 633             for (i = 0; i < GetStyleSheet()->GetParagraphStyleCount(); i++)
 634                 m_styleNames.Add(GetStyleSheet()->GetParagraphStyle(i)->GetName() + wxT("|P"));
 635         }
 636         if (GetStyleType() == wxRICHTEXT_STYLE_ALL || GetStyleType() == wxRICHTEXT_STYLE_CHARACTER)
 637         {
 638             for (i = 0; i < GetStyleSheet()->GetCharacterStyleCount(); i++)
 639                 m_styleNames.Add(GetStyleSheet()->GetCharacterStyle(i)->GetName() + wxT("|C"));
 640         }
 641         if (GetStyleType() == wxRICHTEXT_STYLE_ALL || GetStyleType() == wxRICHTEXT_STYLE_LIST)
 642         {
 643             for (i = 0; i < GetStyleSheet()->GetListStyleCount(); i++)
 644                 m_styleNames.Add(GetStyleSheet()->GetListStyle(i)->GetName() + wxT("|L"));
 645         }
 646         if (GetStyleType() == wxRICHTEXT_STYLE_ALL || GetStyleType() == wxRICHTEXT_STYLE_BOX)
 647         {
 648             for (i = 0; i < GetStyleSheet()->GetBoxStyleCount(); i++)
 649                 m_styleNames.Add(GetStyleSheet()->GetBoxStyle(i)->GetName() + wxT("|B"));
 650         }
 651
 652         m_styleNames.Sort();
 653         SetItemCount(m_styleNames.GetCount());
 654
 655         Refresh();
 656
 657         int newSel = -1;
 658         if (oldSel >= 0 && oldSel < (int) GetItemCount())
 659             newSel = oldSel;
 660         else if (GetItemCount() > 0)
 661             newSel = 0;
 662
 663         if (newSel >= 0)
 664         {
 665             SetSelection(newSel);
 666             SendSelectedEvent();
 667         }
 668     }
 669     else
 670     {
 671         m_styleNames.Clear();
 672         SetSelection(wxNOT_FOUND);
 673         SetItemCount(0);
 674         Refresh();
 675     }
 676 }
 677
 678 // Get index for style name
 679 int wxRichTextStyleListBox::GetIndexForStyle(const wxString& name) const
 680 {
 681     wxString s(name);
 682     if (GetStyleType() == wxRICHTEXT_STYLE_PARAGRAPH)
 683         s += wxT("|P");
 684     else if (GetStyleType() == wxRICHTEXT_STYLE_CHARACTER)
 685         s += wxT("|C");
 686     else if (GetStyleType() == wxRICHTEXT_STYLE_LIST)
 687         s += wxT("|L");
 688     else if (GetStyleType() == wxRICHTEXT_STYLE_BOX)
 689         s += wxT("|B");
 690     else
 691     {
 692         if (m_styleNames.Index(s + wxT("|P")) != wxNOT_FOUND)
 693             s += wxT("|P");
 694         else if (m_styleNames.Index(s + wxT("|C")) != wxNOT_FOUND)
 695             s += wxT("|C");
 696         else if (m_styleNames.Index(s + wxT("|L")) != wxNOT_FOUND)
 697             s += wxT("|L");
 698         else if (m_styleNames.Index(s + wxT("|B")) != wxNOT_FOUND)
 699             s += wxT("|B");
 700     }
 701     return m_styleNames.Index(s);
 702 }
 703
 704 /// Set selection for string
 705 int wxRichTextStyleListBox::SetStyleSelection(const wxString& name)
 706 {
 707     int i = GetIndexForStyle(name);
 708     if (i > -1)
 709         SetSelection(i);
 710     return i;
 711 }
 712
 713 // Convert a colour to a 6-digit hex string
 714 static wxString ColourToHexString(const wxColour& col)
 715 {
 716     wxString hex;
 717
 718     hex += wxDecToHex(col.Red());
 719     hex += wxDecToHex(col.Green());
 720     hex += wxDecToHex(col.Blue());
 721
 722     return hex;
 723 }
 724
 725 /// Creates a suitable HTML fragment for a definition
 726 wxString wxRichTextStyleListBox::CreateHTML(wxRichTextStyleDefinition* def) const
 727 {
 728     // TODO: indicate list format for list style types
 729
 730     wxString str;
 731
 732     bool isCentred = false;
 733
 734     wxRichTextAttr attr(def->GetStyleMergedWithBase(GetStyleSheet()));
 735
 736     if (attr.HasAlignment() && attr.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
 737         isCentred = true;
 738
 739     if (isCentred)
 740         str << wxT("<center>");
 741
 742
 743     str << wxT("<table><tr>");
 744
 745     if (attr.GetLeftIndent() > 0)
 746     {
 747         wxClientDC dc((wxWindow*) this);
 748
 749         str << wxT("<td width=") << wxMin(50, (ConvertTenthsMMToPixels(dc, attr.GetLeftIndent())/2)) << wxT("></td>");
 750     }
 751
 752     if (isCentred)
 753         str << wxT("<td nowrap align=\"center\">");
 754     else
 755         str << wxT("<td nowrap>");
 756
 757 #ifdef __WXMSW__
 758     int size = 2;
 759 #else
 760     int size = 3;
 761 #endif
 762
 763     // Guess a standard font size
 764     int stdFontSize = 0;
 765
 766     // First see if we have a default/normal style to base the size on
 767     wxString normalTranslated(_("normal"));
 768     wxString defaultTranslated(_("default"));
 769     size_t i;
 770     for (i = 0; i < GetStyleSheet()->GetParagraphStyleCount(); i++)
 771     {
 772         wxRichTextStyleDefinition* d = GetStyleSheet()->GetParagraphStyle(i);
 773         wxString name = d->GetName().Lower();
 774         if (name.Find(wxT("normal")) != wxNOT_FOUND || name.Find(normalTranslated) != wxNOT_FOUND ||
 775             name.Find(wxT("default")) != wxNOT_FOUND || name.Find(defaultTranslated) != wxNOT_FOUND)
 776         {
 777             wxRichTextAttr attr2(d->GetStyleMergedWithBase(GetStyleSheet()));
 778             if (attr2.HasFontPointSize())
 779             {
 780                 stdFontSize = attr2.GetFontSize();
 781                 break;
 782             }
 783         }
 784     }
 785
 786     if (stdFontSize == 0)
 787     {
 788         // Look at sizes up to 20 points, and see which is the most common
 789         wxArrayInt sizes;
 790         size_t maxSize = 20;
 791         for (i = 0; i <= maxSize; i++)
 792             sizes.Add(0);
 793         for (i = 0; i < m_styleNames.GetCount(); i++)
 794         {
 795             wxRichTextStyleDefinition* d = GetStyle(i);
 796             if (d)
 797             {
 798                 wxRichTextAttr attr2(d->GetStyleMergedWithBase(GetStyleSheet()));
 799                 if (attr2.HasFontPointSize())
 800                 {
 801                     if (attr2.GetFontSize() <= (int) maxSize)
 802                         sizes[attr2.GetFontSize()] ++;
 803                 }
 804             }
 805         }
 806         int mostCommonSize = 0;
 807         for (i = 0; i <= maxSize; i++)
 808         {
 809             if (sizes[i] > mostCommonSize)
 810                 mostCommonSize = i;
 811         }
 812         if (mostCommonSize > 0)
 813             stdFontSize = mostCommonSize;
 814     }
 815
 816     if (stdFontSize == 0)
 817         stdFontSize = 12;
 818
 819     int thisFontSize = attr.HasFontPointSize() ? attr.GetFontSize() : stdFontSize;
 820
 821     if (thisFontSize < stdFontSize)
 822         size --;
 823     else if (thisFontSize > stdFontSize)
 824         size ++;
 825
 826     str += wxT("<font");
 827
 828     str << wxT(" size=") << size;
 829
 830     if (!attr.GetFontFaceName().IsEmpty())
 831         str << wxT(" face=\"") << attr.GetFontFaceName() << wxT("\"");
 832
 833     if (attr.GetTextColour().IsOk())
 834         str << wxT(" color=\"#") << ColourToHexString(attr.GetTextColour()) << wxT("\"");
 835
 836     str << wxT(">");
 837
 838     bool hasBold = false;
 839     bool hasItalic = false;
 840     bool hasUnderline = false;
 841
 842     if (attr.GetFontWeight() == wxBOLD)
 843         hasBold = true;
 844     if (attr.GetFontStyle() == wxITALIC)
 845         hasItalic = true;
 846     if (attr.GetFontUnderlined())
 847         hasUnderline = true;
 848
 849     if (hasBold)
 850         str << wxT("<b>");
 851     if (hasItalic)
 852         str << wxT("<i>");
 853     if (hasUnderline)
 854         str << wxT("<u>");
 855
 856     str += def->GetName();
 857
 858     if (hasUnderline)
 859         str << wxT("</u>");
 860     if (hasItalic)
 861         str << wxT("</i>");
 862     if (hasBold)
 863         str << wxT("</b>");
 864
 865     if (isCentred)
 866         str << wxT("</centre>");
 867
 868     str << wxT("</font>");
 869
 870     str << wxT("</td></tr></table>");
 871
 872     if (isCentred)
 873         str << wxT("</center>");
 874
 875     return str;
 876 }
 877
 878 // Convert units in tends of a millimetre to device units
 879 int wxRichTextStyleListBox::ConvertTenthsMMToPixels(wxDC& dc, int units) const
 880 {
 881     int ppi = dc.GetPPI().x;
 882
 883     // There are ppi pixels in 254.1 "1/10 mm"
 884
 885     double pixels = ((double) units * (double)ppi) / 254.1;
 886
 887     return (int) pixels;
 888 }
 889
 890 void wxRichTextStyleListBox::OnLeftDown(wxMouseEvent& event)
 891 {
 892     wxVListBox::OnLeftDown(event);
 893
 894     int item = VirtualHitTest(event.GetPosition().y);
 895     if (item != wxNOT_FOUND && GetApplyOnSelection())
 896         ApplyStyle(item);
 897 }
 898
 899 void wxRichTextStyleListBox::OnLeftDoubleClick(wxMouseEvent& event)
 900 {
 901     wxVListBox::OnLeftDown(event);
 902
 903     int item = VirtualHitTest(event.GetPosition().y);
 904     if (item != wxNOT_FOUND && !GetApplyOnSelection())
 905         ApplyStyle(item);
 906 }
 907
 908 /// Helper for listbox and combo control
 909 wxString wxRichTextStyleListBox::GetStyleToShowInIdleTime(wxRichTextCtrl* ctrl, wxRichTextStyleType styleType)
 910 {
 911     int adjustedCaretPos = ctrl->GetAdjustedCaretPosition(ctrl->GetCaretPosition());
 912
 913     wxString styleName;
 914
 915     wxRichTextAttr attr;
 916     ctrl->GetStyle(adjustedCaretPos, attr);
 917
 918     // Take into account current default style just chosen by user
 919     if (ctrl->IsDefaultStyleShowing())
 920     {
 921         wxRichTextApplyStyle(attr, ctrl->GetDefaultStyleEx());
 922
 923         if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_CHARACTER) &&
 924                           !attr.GetCharacterStyleName().IsEmpty())
 925             styleName = attr.GetCharacterStyleName();
 926         else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_PARAGRAPH) &&
 927                           !attr.GetParagraphStyleName().IsEmpty())
 928             styleName = attr.GetParagraphStyleName();
 929         else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_LIST) &&
 930                           !attr.GetListStyleName().IsEmpty())
 931             styleName = attr.GetListStyleName();
 932         // TODO: when we have a concept of focused object (text box), we'll
 933         // use the paragraph style name of the focused object as the frame style name.
 934 #if 0
 935         else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_BOX) &&
 936                           !attr.GetBoxStyleName().IsEmpty())
 937             styleName = attr.GetBoxStyleName();
 938 #endif
 939     }
 940     else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_CHARACTER) &&
 941              !attr.GetCharacterStyleName().IsEmpty())
 942     {
 943         styleName = attr.GetCharacterStyleName();
 944     }
 945     else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_PARAGRAPH) &&
 946              !attr.GetParagraphStyleName().IsEmpty())
 947     {
 948         styleName = attr.GetParagraphStyleName();
 949     }
 950     else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_LIST) &&
 951              !attr.GetListStyleName().IsEmpty())
 952     {
 953         styleName = attr.GetListStyleName();
 954     }
 955
 956     return styleName;
 957 }
 958
 959 /// Auto-select from style under caret in idle time
 960 void wxRichTextStyleListBox::OnIdle(wxIdleEvent& event)
 961 {
 962     if (CanAutoSetSelection() && GetRichTextCtrl() && IsShownOnScreen() && wxWindow::FindFocus() != this)
 963     {
 964         wxString styleName = GetStyleToShowInIdleTime(GetRichTextCtrl(), GetStyleType());
 965
 966         int sel = GetSelection();
 967         if (!styleName.IsEmpty())
 968         {
 969             // Don't do the selection if it's already set
 970             if (sel == GetIndexForStyle(styleName))
 971                 return;
 972
 973             SetStyleSelection(styleName);
 974         }
 975         else if (sel != -1)
 976             SetSelection(-1);
 977     }
 978     event.Skip();
 979 }
 980
 981 /// Do selection
 982 void wxRichTextStyleListBox::ApplyStyle(int item)
 983 {
 984     if ( item != wxNOT_FOUND )
 985     {
 986         wxRichTextStyleDefinition* def = GetStyle(item);
 987         if (def && GetRichTextCtrl())
 988         {
 989             GetRichTextCtrl()->ApplyStyle(def);
 990             GetRichTextCtrl()->SetFocus();
 991         }
 992     }
 993 }
 994
 995 /*!
 996  * wxRichTextStyleListCtrl class: manages a listbox and a choice control to
 997  * switch shown style types
 998  */
 999
1000 IMPLEMENT_CLASS(wxRichTextStyleListCtrl, wxControl)
1001
1002 BEGIN_EVENT_TABLE(wxRichTextStyleListCtrl, wxControl)
1003     EVT_CHOICE(wxID_ANY, wxRichTextStyleListCtrl::OnChooseType)
1004     EVT_SIZE(wxRichTextStyleListCtrl::OnSize)
1005 END_EVENT_TABLE()
1006
1007 wxRichTextStyleListCtrl::wxRichTextStyleListCtrl(wxWindow* parent, wxWindowID id, const wxPoint& pos,
1008     const wxSize& size, long style)
1009 {
1010     Init();
1011     Create(parent, id, pos, size, style);
1012 }
1013
1014 bool wxRichTextStyleListCtrl::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
1015         const wxSize& size, long style)
1016 {
1017     if ((style & wxBORDER_MASK) == wxBORDER_DEFAULT)
1018         style |= wxBORDER_THEME;
1019
1020     wxControl::Create(parent, id, pos, size, style);
1021
1022     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
1023     if (size != wxDefaultSize)
1024         SetInitialSize(size);
1025
1026     bool showSelector = ((style & wxRICHTEXTSTYLELIST_HIDE_TYPE_SELECTOR) == 0);
1027
1028     wxBorder listBoxStyle;
1029     if (showSelector)
1030         listBoxStyle = wxBORDER_THEME;
1031     else
1032         listBoxStyle = wxBORDER_NONE;
1033
1034     m_styleListBox = new wxRichTextStyleListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, listBoxStyle);
1035
1036     wxBoxSizer* boxSizer = new wxBoxSizer(wxVERTICAL);
1037
1038     if (showSelector)
1039     {
1040         wxArrayString choices;
1041         choices.Add(_("All styles"));
1042         choices.Add(_("Paragraph styles"));
1043         choices.Add(_("Character styles"));
1044         choices.Add(_("List styles"));
1045         choices.Add(_("Box styles"));
1046
1047         m_styleChoice = new wxChoice(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, choices);
1048
1049         boxSizer->Add(m_styleListBox, 1, wxALL|wxEXPAND, 5);
1050         boxSizer->Add(m_styleChoice, 0, wxLEFT|wxRIGHT|wxBOTTOM|wxEXPAND, 5);
1051     }
1052     else
1053     {
1054         boxSizer->Add(m_styleListBox, 1, wxALL|wxEXPAND, 0);
1055     }
1056
1057     SetSizer(boxSizer);
1058     Layout();
1059
1060     m_dontUpdate = true;
1061
1062     if (m_styleChoice)
1063     {
1064         int i = StyleTypeToIndex(m_styleListBox->GetStyleType());
1065         m_styleChoice->SetSelection(i);
1066     }
1067
1068     m_dontUpdate = false;
1069
1070     return true;
1071 }
1072
1073 wxRichTextStyleListCtrl::~wxRichTextStyleListCtrl()
1074 {
1075
1076 }
1077
1078 /// React to style type choice
1079 void wxRichTextStyleListCtrl::OnChooseType(wxCommandEvent& event)
1080 {
1081     if (event.GetEventObject() != m_styleChoice)
1082         event.Skip();
1083     else
1084     {
1085         if (m_dontUpdate)
1086             return;
1087
1088         wxRichTextStyleListBox::wxRichTextStyleType styleType = StyleIndexToType(event.GetSelection());
1089         m_styleListBox->SetSelection(-1);
1090         m_styleListBox->SetStyleType(styleType);
1091     }
1092 }
1093
1094 /// Lay out the controls
1095 void wxRichTextStyleListCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1096 {
1097     if (GetAutoLayout())
1098         Layout();
1099 }
1100
1101 /// Get the choice index for style type
1102 int wxRichTextStyleListCtrl::StyleTypeToIndex(wxRichTextStyleListBox::wxRichTextStyleType styleType)
1103 {
1104     if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL)
1105     {
1106         return 0;
1107     }
1108     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_PARAGRAPH)
1109     {
1110         return 1;
1111     }
1112     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_CHARACTER)
1113     {
1114         return 2;
1115     }
1116     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_LIST)
1117     {
1118         return 3;
1119     }
1120     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_BOX)
1121     {
1122         return 4;
1123     }
1124     return 0;
1125 }
1126
1127 /// Get the style type for choice index
1128 wxRichTextStyleListBox::wxRichTextStyleType wxRichTextStyleListCtrl::StyleIndexToType(int i)
1129 {
1130     if (i == 1)
1131         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_PARAGRAPH;
1132     else if (i == 2)
1133         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_CHARACTER;
1134     else if (i == 3)
1135         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_LIST;
1136     else if (i == 4)
1137         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_BOX;
1138
1139     return wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL;
1140 }
1141
1142 /// Associates the control with a style manager
1143 void wxRichTextStyleListCtrl::SetStyleSheet(wxRichTextStyleSheet* styleSheet)
1144 {
1145     if (m_styleListBox)
1146         m_styleListBox->SetStyleSheet(styleSheet);
1147 }
1148
1149 wxRichTextStyleSheet* wxRichTextStyleListCtrl::GetStyleSheet() const
1150 {
1151     if (m_styleListBox)
1152         return m_styleListBox->GetStyleSheet();
1153     else
1154         return NULL;
1155 }
1156
1157 /// Associates the control with a wxRichTextCtrl
1158 void wxRichTextStyleListCtrl::SetRichTextCtrl(wxRichTextCtrl* ctrl)
1159 {
1160     if (m_styleListBox)
1161         m_styleListBox->SetRichTextCtrl(ctrl);
1162 }
1163
1164 wxRichTextCtrl* wxRichTextStyleListCtrl::GetRichTextCtrl() const
1165 {
1166     if (m_styleListBox)
1167         return m_styleListBox->GetRichTextCtrl();
1168     else
1169         return NULL;
1170 }
1171
1172 /// Set/get the style type to display
1173 void wxRichTextStyleListCtrl::SetStyleType(wxRichTextStyleListBox::wxRichTextStyleType styleType)
1174 {
1175     if ( !m_styleListBox )
1176         return;
1177
1178     m_styleListBox->SetStyleType(styleType);
1179
1180     m_dontUpdate = true;
1181
1182     if (m_styleChoice)
1183     {
1184         int i = StyleTypeToIndex(m_styleListBox->GetStyleType());
1185         m_styleChoice->SetSelection(i);
1186     }
1187
1188     m_dontUpdate = false;
1189 }
1190
1191 wxRichTextStyleListBox::wxRichTextStyleType wxRichTextStyleListCtrl::GetStyleType() const
1192 {
1193     if (m_styleListBox)
1194         return m_styleListBox->GetStyleType();
1195     else
1196         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL;
1197 }
1198
1199 /// Updates the style list box
1200 void wxRichTextStyleListCtrl::UpdateStyles()
1201 {
1202     if (m_styleListBox)
1203         m_styleListBox->UpdateStyles();
1204 }
1205
1206 #if wxUSE_COMBOCTRL
1207
1208 /*!
1209  * Style drop-down for a wxComboCtrl
1210  */
1211
1212
1213 BEGIN_EVENT_TABLE(wxRichTextStyleComboPopup, wxRichTextStyleListBox)
1214     EVT_MOTION(wxRichTextStyleComboPopup::OnMouseMove)
1215     EVT_LEFT_DOWN(wxRichTextStyleComboPopup::OnMouseClick)
1216 END_EVENT_TABLE()
1217
1218 bool wxRichTextStyleComboPopup::Create( wxWindow* parent )
1219 {
1220     int borderStyle = GetDefaultBorder();
1221     if (borderStyle == wxBORDER_SUNKEN || borderStyle == wxBORDER_NONE)
1222         borderStyle = wxBORDER_THEME;
1223
1224     return wxRichTextStyleListBox::Create(parent, wxID_ANY,
1225                                   wxPoint(0,0), wxDefaultSize,
1226                                   borderStyle);
1227 }
1228
1229 void wxRichTextStyleComboPopup::SetStringValue( const wxString& s )
1230 {
1231     m_value = SetStyleSelection(s);
1232 }
1233
1234 wxString wxRichTextStyleComboPopup::GetStringValue() const
1235 {
1236     int sel = m_value;
1237     if (sel > -1)
1238     {
1239         wxRichTextStyleDefinition* def = GetStyle(sel);
1240         if (def)
1241             return def->GetName();
1242     }
1243     return wxEmptyString;
1244 }
1245
1246 //
1247 // Popup event handlers
1248 //
1249
1250 // Mouse hot-tracking
1251 void wxRichTextStyleComboPopup::OnMouseMove(wxMouseEvent& event)
1252 {
1253     // Move selection to cursor if it is inside the popup
1254
1255     int itemHere = wxRichTextStyleListBox::VirtualHitTest(event.GetPosition().y);
1256     if ( itemHere >= 0 )
1257     {
1258         wxRichTextStyleListBox::SetSelection(itemHere);
1259         m_itemHere = itemHere;
1260     }
1261     event.Skip();
1262 }
1263
1264 // On mouse left, set the value and close the popup
1265 void wxRichTextStyleComboPopup::OnMouseClick(wxMouseEvent& WXUNUSED(event))
1266 {
1267     if (m_itemHere >= 0)
1268         m_value = m_itemHere;
1269
1270     // Ordering is important, so we don't dismiss this popup accidentally
1271     // by setting the focus elsewhere e.g. in ApplyStyle
1272     Dismiss();
1273
1274     if (m_itemHere >= 0)
1275         wxRichTextStyleListBox::ApplyStyle(m_itemHere);
1276 }
1277
1278 /*!
1279  * wxRichTextStyleComboCtrl
1280  * A combo for applying styles.
1281  */
1282
1283 IMPLEMENT_CLASS(wxRichTextStyleComboCtrl, wxComboCtrl)
1284
1285 BEGIN_EVENT_TABLE(wxRichTextStyleComboCtrl, wxComboCtrl)
1286     EVT_IDLE(wxRichTextStyleComboCtrl::OnIdle)
1287 END_EVENT_TABLE()
1288
1289 bool wxRichTextStyleComboCtrl::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
1290         const wxSize& size, long style)
1291 {
1292     if (!wxComboCtrl::Create(parent, id, wxEmptyString, pos, size, style))
1293         return false;
1294
1295     SetPopupMaxHeight(400);
1296
1297     m_stylePopup = new wxRichTextStyleComboPopup;
1298
1299     SetPopupControl(m_stylePopup);
1300
1301     return true;
1302 }
1303
1304 /// Auto-select from style under caret in idle time
1305
1306 // TODO: must be able to show italic, bold, combinations
1307 // in style box. Do we have a concept of automatic, temporary
1308 // styles that are added whenever we wish to show a style
1309 // that doesn't exist already? E.g. "Bold, Italic, Underline".
1310 // Word seems to generate these things on the fly.
1311 // If there's a named style already, it uses e.g. Heading1 + Bold, Italic
1312 // If you unembolden text in a style that has bold, it uses the
1313 // term "Not bold".
1314 // TODO: order styles alphabetically. This means indexes can change,
1315 // so need a different way to specify selections, i.e. by name.
1316
1317 void wxRichTextStyleComboCtrl::OnIdle(wxIdleEvent& event)
1318 {
1319     event.Skip();
1320
1321     if ( !m_stylePopup )
1322         return;
1323
1324     wxRichTextCtrl * const richtext = GetRichTextCtrl();
1325     if ( !richtext )
1326         return;
1327
1328     if ( !IsPopupShown() && IsShownOnScreen() && wxWindow::FindFocus() != this )
1329     {
1330         wxString styleName =
1331             wxRichTextStyleListBox::GetStyleToShowInIdleTime(richtext, m_stylePopup->GetStyleType());
1332
1333         wxString currentValue = GetValue();
1334         if (!styleName.IsEmpty())
1335         {
1336             // Don't do the selection if it's already set
1337             if (currentValue == styleName)
1338                 return;
1339
1340             SetValue(styleName);
1341         }
1342         else if (!currentValue.IsEmpty())
1343             SetValue(wxEmptyString);
1344     }
1345 }
1346
1347 #endif
1348     // wxUSE_COMBOCTRL
1349
1350 #endif
1351     // wxUSE_HTML
1352
1353 #endif
1354     // wxUSE_RICHTEXT